query_id stringlengths 22 42 | query stringlengths 85 1.17k | positive_passages listlengths 1 8 | negative_passages listlengths 0 0 | hard_negative_passages listlengths 0 0 |
|---|---|---|---|---|
aops_2019_AMC_12A_Problems/Problem_17 | Let $s_k$ denote the sum of the $\textit{k}$th powers of the roots of the polynomial $x^3-5x^2+8x-13$. In particular, $s_0=3$, $s_1=5$, and $s_2=9$. Let $a$, $b$, and $c$ be real numbers such that $s_{k+1} = a \, s_k + b \, s_{k-1} + c \, s_{k-2}$ for $k = 2$, $3$, $....$ What is $a+b+c$?
$\textbf{(A)} \; -6 \qquad \te... | [
{
"docid": "math_test_intermediate_algebra_1179",
"text": "Consider the polynomials $P(x) = x^6-x^5-x^3-x^2-x$ and $Q(x)=x^4-x^3-x^2-1$. Given that $z_1, z_2, z_3$, and $z_4$ are the roots of $Q(x)=0$, find $P(z_1)+P(z_2)+P(z_3)+P(z_4).$\nWe perform polynomial division with $P(x)$ as the dividend and $Q(x)... | [] | [] |
math_test_intermediate_algebra_1179 | Consider the polynomials $P(x) = x^{6} - x^{5} - x^{3} - x^{2} - x$ and $Q(x) = x^{4} - x^{3} - x^{2} - 1.$ Given that $z_{1},z_{2},z_{3},$ and $z_{4}$ are the roots of $Q(x) = 0,$ find $P(z_{1}) + P(z_{2}) + P(z_{3}) + P(z_{4}).$ | [
{
"docid": "aops_2019_AMC_12A_Problems/Problem_17",
"text": "Let $s_k$ denote the sum of the $\\textit{k}$th powers of the roots of the polynomial $x^3-5x^2+8x-13$. In particular, $s_0=3$, $s_1=5$, and $s_2=9$. Let $a$, $b$, and $c$ be real numbers such that $s_{k+1} = a \\, s_k + b \\, s_{k-1} + c \\, s_{k... | [] | [] |
math_train_intermediate_algebra_513 | Let $r$, $s$, and $t$ be the three roots of the equation
$8x^3 + 1001x + 2008 = 0.$
Find $(r + s)^3 + (s + t)^3 + (t + r)^3$. | [
{
"docid": "aops_2019_AMC_12A_Problems/Problem_17",
"text": "Let $s_k$ denote the sum of the $\\textit{k}$th powers of the roots of the polynomial $x^3-5x^2+8x-13$. In particular, $s_0=3$, $s_1=5$, and $s_2=9$. Let $a$, $b$, and $c$ be real numbers such that $s_{k+1} = a \\, s_k + b \\, s_{k-1} + c \\, s_{k... | [] | [] |
aops_2015_AMC_10B_Problems/Problem_15 | The town of Hamlet has $3$ people for each horse, $4$ sheep for each cow, and $3$ ducks for each person. Which of the following could not possibly be the total number of people, horses, sheep, cows, and ducks in Hamlet?
$\textbf{(A) }41\qquad\textbf{(B) }47\qquad\textbf{(C) }59\qquad\textbf{(D) }61\qquad\textbf{(E) }66... | [
{
"docid": "math_train_counting_and_probability_5024",
"text": "Ninety-four bricks, each measuring $4''\\times10''\\times19'',$ are to be stacked one on top of another to form a tower 94 bricks tall. Each brick can be oriented so it contributes $4''\\,$ or $10''\\,$ or $19''\\,$ to the total height of the t... | [] | [] |
math_train_counting_and_probability_5024 | Ninety-four bricks, each measuring $4''\times10''\times19'',$ are to be stacked one on top of another to form a tower 94 bricks tall. Each brick can be oriented so it contributes $4''\,$ or $10''\,$ or $19''\,$ to the total height of the tower. How many different tower heights can be achieved using all ninety-four of... | [
{
"docid": "aops_2015_AMC_10B_Problems/Problem_15",
"text": "The town of Hamlet has $3$ people for each horse, $4$ sheep for each cow, and $3$ ducks for each person. Which of the following could not possibly be the total number of people, horses, sheep, cows, and ducks in Hamlet?\n$\\textbf{(A) }41\\qquad\\... | [] | [] |
math_train_number_theory_7095 | Find the sum of all positive integers $n$ such that, given an unlimited supply of stamps of denominations $5,n,$ and $n+1$ cents, $91$ cents is the greatest postage that cannot be formed. | [
{
"docid": "aops_2015_AMC_10B_Problems/Problem_15",
"text": "The town of Hamlet has $3$ people for each horse, $4$ sheep for each cow, and $3$ ducks for each person. Which of the following could not possibly be the total number of people, horses, sheep, cows, and ducks in Hamlet?\n$\\textbf{(A) }41\\qquad\\... | [] | [] |
math_train_number_theory_839 | Two different prime numbers between $4$ and $18$ are chosen. When their sum is subtracted from their product, which of the following numbers could be obtained? $$
\text A. \ \ 21 \qquad \text B. \ \ 60 \qquad \text C. \ \ 119 \qquad \text D. \ \ 180 \qquad \text E. \ \ 231
$$ | [
{
"docid": "math_train_number_theory_7012",
"text": "Find $3x^2 y^2$ if $x$ and $y$ are integers such that $y^2 + 3x^2 y^2 = 30x^2 + 517$.\n\nIf we move the $x^2$ term to the left side, it is factorable:\n\\[(3x^2 + 1)(y^2 - 10) = 517 - 10\\]\n$507$ is equal to $3 \\cdot 13^2$. Since $x$ and $y$ are integer... | [] | [] |
math_train_number_theory_7012 | Find $3x^2 y^2$ if $x$ and $y$ are integers such that $y^2 + 3x^2 y^2 = 30x^2 + 517$. | [
{
"docid": "math_train_number_theory_839",
"text": "Two different prime numbers between $4$ and $18$ are chosen. When their sum is subtracted from their product, which of the following numbers could be obtained? $$\n\\text A. \\ \\ 21 \\qquad \\text B. \\ \\ 60 \\qquad \\text C. \\ \\ 119 \\qquad \\text D. ... | [] | [] |
aops_2008_AMC_12B_Problems/Problem_16 | A rectangular floor measures $a$ by $b$ feet, where $a$ and $b$ are positive integers with $b > a$. An artist paints a rectangle on the floor with the sides of the rectangle parallel to the sides of the floor. The unpainted part of the floor forms a border of width $1$ foot around the painted rectangle and occupies hal... | [
{
"docid": "math_train_number_theory_839",
"text": "Two different prime numbers between $4$ and $18$ are chosen. When their sum is subtracted from their product, which of the following numbers could be obtained? $$\n\\text A. \\ \\ 21 \\qquad \\text B. \\ \\ 60 \\qquad \\text C. \\ \\ 119 \\qquad \\text D. ... | [] | [] |
aops_2000_AIME_I_Problems/Problem_9 | The system of equations
\begin{eqnarray*}\log_{10}(2000xy) - (\log_{10}x)(\log_{10}y) & = & 4 \\ \log_{10}(2yz) - (\log_{10}y)(\log_{10}z) & = & 1 \\ \log_{10}(zx) - (\log_{10}z)(\log_{10}x) & = & 0 \\ \end{eqnarray*}
has two solutions $(x_{1},y_{1},z_{1})$ and $(x_{2},y_{2},z_{2})$. Find $y_{1} + y_{2}$. | [
{
"docid": "math_train_number_theory_839",
"text": "Two different prime numbers between $4$ and $18$ are chosen. When their sum is subtracted from their product, which of the following numbers could be obtained? $$\n\\text A. \\ \\ 21 \\qquad \\text B. \\ \\ 60 \\qquad \\text C. \\ \\ 119 \\qquad \\text D. ... | [] | [] |
math_train_number_theory_7030 | The harmonic mean of two positive integers is the reciprocal of the arithmetic mean of their reciprocals. For how many ordered pairs of positive integers $(x,y)$ with $x<y$ is the harmonic mean of $x$ and $y$ equal to $6^{20}$? | [
{
"docid": "math_train_number_theory_839",
"text": "Two different prime numbers between $4$ and $18$ are chosen. When their sum is subtracted from their product, which of the following numbers could be obtained? $$\n\\text A. \\ \\ 21 \\qquad \\text B. \\ \\ 60 \\qquad \\text C. \\ \\ 119 \\qquad \\text D. ... | [] | [] |
aops_2008_AMC_12A_Problems/Problem_15 | Let $k={2008}^{2}+{2}^{2008}$. What is the units digit of $k^2+2^k$?
$\mathrm{(A)}\ 0\qquad\mathrm{(B)}\ 2\qquad\mathrm{(C)}\ 4\qquad\mathrm{(D)}\ 6\qquad\mathrm{(E)}\ 8$ | [
{
"docid": "math_train_number_theory_7016",
"text": "One of Euler's conjectures was disproved in the 1960s by three American mathematicians when they showed there was a positive integer such that $133^5+110^5+84^5+27^5=n^{5}$. Find the value of $n$.\n\nNote that $n$ is even, since the $LHS$ consists of two ... | [] | [] |
math_train_number_theory_7016 | One of Euler's conjectures was disproved in the 1960s by three American mathematicians when they showed there was a positive integer such that $133^5+110^5+84^5+27^5=n^{5}.$ Find the value of $n$. | [
{
"docid": "aops_2008_AMC_12A_Problems/Problem_15",
"text": "Let $k={2008}^{2}+{2}^{2008}$. What is the units digit of $k^2+2^k$?\n$\\mathrm{(A)}\\ 0\\qquad\\mathrm{(B)}\\ 2\\qquad\\mathrm{(C)}\\ 4\\qquad\\mathrm{(D)}\\ 6\\qquad\\mathrm{(E)}\\ 8$\n$k \\equiv 2008^2 + 2^{2008} \\equiv 8^2 + 2^4 \\equiv 4+6 \... | [] | [] |
aops_2021_AIME_I_Problems/Problem_14 | For any positive integer $a, \sigma(a)$ denotes the sum of the positive integer divisors of $a$. Let $n$ be the least positive integer such that $\sigma(a^n)-1$ is divisible by $2021$ for all positive integers $a$. Find the sum of the prime factors in the prime factorization of $n$. | [
{
"docid": "aops_2008_AMC_12A_Problems/Problem_15",
"text": "Let $k={2008}^{2}+{2}^{2008}$. What is the units digit of $k^2+2^k$?\n$\\mathrm{(A)}\\ 0\\qquad\\mathrm{(B)}\\ 2\\qquad\\mathrm{(C)}\\ 4\\qquad\\mathrm{(D)}\\ 6\\qquad\\mathrm{(E)}\\ 8$\n$k \\equiv 2008^2 + 2^{2008} \\equiv 8^2 + 2^4 \\equiv 4+6 \... | [] | [] |
aops_2005_IMO_Problems/Problem_4 | Determine all positive integers relatively prime to all the terms of the infinite sequence $a_n=2^n+3^n+6^n -1,\ n\geq 1.$ | [
{
"docid": "aops_2008_AMC_12A_Problems/Problem_15",
"text": "Let $k={2008}^{2}+{2}^{2008}$. What is the units digit of $k^2+2^k$?\n$\\mathrm{(A)}\\ 0\\qquad\\mathrm{(B)}\\ 2\\qquad\\mathrm{(C)}\\ 4\\qquad\\mathrm{(D)}\\ 6\\qquad\\mathrm{(E)}\\ 8$\n$k \\equiv 2008^2 + 2^{2008} \\equiv 8^2 + 2^4 \\equiv 4+6 \... | [] | [] |
aops_2024_AIME_I_Problems/Problem_13 | Let $p$ be the least prime number for which there exists a positive integer $n$ such that $n^{4}+1$ is divisible by $p^{2}$. Find the least positive integer $m$ such that $m^{4}+1$ is divisible by $p^{2}$. | [
{
"docid": "aops_2008_AMC_12A_Problems/Problem_15",
"text": "Let $k={2008}^{2}+{2}^{2008}$. What is the units digit of $k^2+2^k$?\n$\\mathrm{(A)}\\ 0\\qquad\\mathrm{(B)}\\ 2\\qquad\\mathrm{(C)}\\ 4\\qquad\\mathrm{(D)}\\ 6\\qquad\\mathrm{(E)}\\ 8$\n$k \\equiv 2008^2 + 2^{2008} \\equiv 8^2 + 2^4 \\equiv 4+6 \... | [] | [] |
aops_2017_AMC_10B_Problems/Problem_14 | An integer $N$ is selected at random in the range $1\leq N \leq 2020$ . What is the probability that the remainder when $N^{16}$ is divided by $5$ is $1$?
$\textbf{(A)}\ \frac{1}{5}\qquad\textbf{(B)}\ \frac{2}{5}\qquad\textbf{(C)}\ \frac{3}{5}\qquad\textbf{(D)}\ \frac{4}{5}\qquad\textbf{(E)}\ 1$ | [
{
"docid": "aops_2008_AMC_12A_Problems/Problem_15",
"text": "Let $k={2008}^{2}+{2}^{2008}$. What is the units digit of $k^2+2^k$?\n$\\mathrm{(A)}\\ 0\\qquad\\mathrm{(B)}\\ 2\\qquad\\mathrm{(C)}\\ 4\\qquad\\mathrm{(D)}\\ 6\\qquad\\mathrm{(E)}\\ 8$\n$k \\equiv 2008^2 + 2^{2008} \\equiv 8^2 + 2^4 \\equiv 4+6 \... | [] | [] |
aops_2005_USAMO_Problems/Problem_2 | Prove that the system
\begin{align*}x^6 + x^3 + x^3y + y &= 147^{157} \\ x^3 + x^3y + y^2 + y + z^9 &= 157^{147}\end{align*}
has no solutions in integers $x$, $y$, and $z$. | [
{
"docid": "aops_2008_AMC_12A_Problems/Problem_15",
"text": "Let $k={2008}^{2}+{2}^{2008}$. What is the units digit of $k^2+2^k$?\n$\\mathrm{(A)}\\ 0\\qquad\\mathrm{(B)}\\ 2\\qquad\\mathrm{(C)}\\ 4\\qquad\\mathrm{(D)}\\ 6\\qquad\\mathrm{(E)}\\ 8$\n$k \\equiv 2008^2 + 2^{2008} \\equiv 8^2 + 2^4 \\equiv 4+6 \... | [] | [] |
math_train_counting_and_probability_5035 | Two mathematicians take a morning coffee break each day. They arrive at the cafeteria independently, at random times between 9 a.m. and 10 a.m., and stay for exactly $m$ minutes. The probability that either one arrives while the other is in the cafeteria is $40 \%,$ and $m = a - b\sqrt {c},$ where $a, b,$ and $c$ are... | [
{
"docid": "aops_2004_AIME_I_Problems/Problem_10",
"text": "A circle of radius 1 is randomly placed in a 15-by-36 rectangle $ABCD$ so that the circle lies completely within the rectangle. Given that the probability that the circle will not touch diagonal $AC$ is $m/n,$ where $m$ and $n$ are relatively prime... | [] | [] |
aops_2004_AIME_I_Problems/Problem_10 | A circle of radius 1 is randomly placed in a 15-by-36 rectangle $ABCD$ so that the circle lies completely within the rectangle. Given that the probability that the circle will not touch diagonal $AC$ is $m/n,$ where $m$ and $n$ are relatively prime positive integers. Find $m + n.$ | [
{
"docid": "math_train_counting_and_probability_5035",
"text": "Two mathematicians take a morning coffee break each day. They arrive at the cafeteria independently, at random times between 9 a.m. and 10 a.m., and stay for exactly $m$ minutes. The probability that either one arrives while the other is in the... | [] | [] |
math_train_geometry_6173 | Let $S$ be a square of side length $1$. Two points are chosen independently at random on the sides of $S$. The probability that the straight-line distance between the points is at least $\dfrac{1}{2}$ is $\dfrac{a-b\pi}{c}$, where $a$, $b$, and $c$ are positive integers with $\gcd(a,b,c)=1$. What is $a+b+c$?
$\textb... | [
{
"docid": "math_train_counting_and_probability_5035",
"text": "Two mathematicians take a morning coffee break each day. They arrive at the cafeteria independently, at random times between 9 a.m. and 10 a.m., and stay for exactly $m$ minutes. The probability that either one arrives while the other is in the... | [] | [] |
math_train_geometry_6018 | A hexagon is inscribed in a circle. Five of the sides have length $81$ and the sixth, denoted by $\overline{AB}$, has length $31$. Find the sum of the lengths of the three diagonals that can be drawn from $A_{}^{}$. | [
{
"docid": "aops_2023_AIME_I_Problems/Problem_5",
"text": "Let $P$ be a point on the circle circumscribing square $ABCD$ that satisfies $PA \\cdot PC = 56$ and $PB \\cdot PD = 90.$ Find the area of $ABCD.$\nPtolemy's theorem states that for cyclic quadrilateral $WXYZ$, $WX\\cdot YZ + XY\\cdot WZ = WY\\cdot ... | [] | [] |
aops_2023_AIME_I_Problems/Problem_5 | Let $P$ be a point on the circle circumscribing square $ABCD$ that satisfies $PA \cdot PC = 56$ and $PB \cdot PD = 90.$ Find the area of $ABCD.$ | [
{
"docid": "math_train_geometry_6018",
"text": "A hexagon is inscribed in a circle. Five of the sides have length $81$ and the sixth, denoted by $\\overline{AB}$, has length $31$. Find the sum of the lengths of the three diagonals that can be drawn from $A$.\n\n[asy]defaultpen(fontsize(9)); pair A=expi(-pi/... | [] | [] |
math_test_geometry_454 | In triangle $ABC$ we have $AB=7$, $AC=8$, $BC=9$. Point $D$ is on the circumscribed circle of the triangle so that $AD$ bisects angle $BAC$. What is the value of $\frac{AD}{CD}$?
$\text{(A) } \dfrac{9}{8} \qquad \text{(B) } \dfrac{5}{3} \qquad \text{(C) } 2 \qquad \text{(D) } \dfrac{17}{7} \qquad \text{(E) } \dfrac{5}{... | [
{
"docid": "math_train_geometry_6018",
"text": "A hexagon is inscribed in a circle. Five of the sides have length $81$ and the sixth, denoted by $\\overline{AB}$, has length $31$. Find the sum of the lengths of the three diagonals that can be drawn from $A$.\n\n[asy]defaultpen(fontsize(9)); pair A=expi(-pi/... | [] | [] |
math_train_counting_and_probability_5011 | In a sequence of coin tosses, one can keep a record of instances in which a tail is immediately followed by a head, a head is immediately followed by a head, and etc. We denote these by TH, HH, and etc. For example, in the sequence TTTHHTHTTTHHTTH of 15 coin tosses we observe that there are two HH, three HT, four TH, a... | [
{
"docid": "aops_2001_AMC_10_Problems/Problem_19",
"text": "Pat wants to buy four donuts from an ample supply of three types of donuts: glazed, chocolate, and powdered. How many different selections are possible?\n$\\textbf{(A)}\\ 6 \\qquad \\textbf{(B)}\\ 9 \\qquad \\textbf{(C)}\\ 12 \\qquad \\textbf{(D)}\... | [] | [] |
aops_2001_AMC_10_Problems/Problem_19 | Pat wants to buy four donuts from an ample supply of three types of donuts: glazed, chocolate, and powdered. How many different selections are possible?
$\textbf{(A)}\ 6 \qquad \textbf{(B)}\ 9 \qquad \textbf{(C)}\ 12 \qquad \textbf{(D)}\ 15 \qquad \textbf{(E)}\ 18$ | [
{
"docid": "math_train_counting_and_probability_5011",
"text": "In a sequence of coin tosses, one can keep a record of instances in which a tail is immediately followed by a head, a head is immediately followed by a head, and etc. We denote these by TH, HH, and etc. For example, in the sequence TTTHHTHTTTHH... | [] | [] |
math_test_counting_and_probability_1009 | Pat is to select six cookies from a tray containing only chocolate chip, oatmeal, and peanut butter cookies. There are at least six of each of these three kinds of cookies on the tray. How many different assortments of six cookies can be selected?
$\mathrm{(A) \ } 22\qquad \mathrm{(B) \ } 25\qquad \mathrm{(C) \ } 27\qq... | [
{
"docid": "math_train_counting_and_probability_5011",
"text": "In a sequence of coin tosses, one can keep a record of instances in which a tail is immediately followed by a head, a head is immediately followed by a head, and etc. We denote these by TH, HH, and etc. For example, in the sequence TTTHHTHTTTHH... | [] | [] |
math_train_counting_and_probability_5131 | Let $N$ denote the number of $7$ digit positive integers have the property that their digits are in increasing order. Determine the remainder obtained when $N$ is divided by $1000$. (Repeated digits are allowed.) | [
{
"docid": "math_train_counting_and_probability_5011",
"text": "In a sequence of coin tosses, one can keep a record of instances in which a tail is immediately followed by a head, a head is immediately followed by a head, and etc. We denote these by TH, HH, and etc. For example, in the sequence TTTHHTHTTTHH... | [] | [] |
aops_2007_AIME_I_Problems/Problem_10 | In a 6 x 4 grid (6 rows, 4 columns), 12 of the 24 squares are to be shaded so that there are two shaded squares in each row and three shaded squares in each column. Let $N$ be the number of shadings with this property. Find the remainder when $N$ is divided by 1000.
| [
{
"docid": "math_train_counting_and_probability_5011",
"text": "In a sequence of coin tosses, one can keep a record of instances in which a tail is immediately followed by a head, a head is immediately followed by a head, and etc. We denote these by TH, HH, and etc. For example, in the sequence TTTHHTHTTTHH... | [] | [] |
aops_2018_AMC_8_Problems/Problem_23 | From a regular octagon, a triangle is formed by connecting three randomly chosen vertices of the octagon. What is the probability that at least one of the sides of the triangle is also a side of the octagon?
[asy] size(3cm); pair A[]; for (int i=0; i<9; ++i) { A[i] = rotate(22.5+45*i)*(1,0); } filldraw(A[0]--A[1]--A[... | [
{
"docid": "math_train_counting_and_probability_5011",
"text": "In a sequence of coin tosses, one can keep a record of instances in which a tail is immediately followed by a head, a head is immediately followed by a head, and etc. We denote these by TH, HH, and etc. For example, in the sequence TTTHHTHTTTHH... | [] | [] |
aops_2019_AMC_8_Problems/Problem_25 | Alice has $24$ apples. In how many ways can she share them with Becky and Chris so that each of the three people has at least two apples?
$\textbf{(A) }105\qquad\textbf{(B) }114\qquad\textbf{(C) }190\qquad\textbf{(D) }210\qquad\textbf{(E) }380$
| [
{
"docid": "math_train_counting_and_probability_5011",
"text": "In a sequence of coin tosses, one can keep a record of instances in which a tail is immediately followed by a head, a head is immediately followed by a head, and etc. We denote these by TH, HH, and etc. For example, in the sequence TTTHHTHTTTHH... | [] | [] |
aops_2018_AMC_10A_Problems/Problem_11 | When $7$ fair standard $6$-sided dice are thrown, the probability that the sum of the numbers on the top faces is $10$ can be written as $\frac{n}{6^{7}},$ where $n$ is a positive integer. What is $n$?
$\textbf{(A) }42\qquad \textbf{(B) }49\qquad \textbf{(C) }56\qquad \textbf{(D) }63\qquad \textbf{(E) }84\qquad$ | [
{
"docid": "math_train_counting_and_probability_5011",
"text": "In a sequence of coin tosses, one can keep a record of instances in which a tail is immediately followed by a head, a head is immediately followed by a head, and etc. We denote these by TH, HH, and etc. For example, in the sequence TTTHHTHTTTHH... | [] | [] |
aops_2020_AMC_10B_Problems/Problem_25 | Let $D(n)$ denote the number of ways of writing the positive integer $n$ as a product $n = f_1\cdot f_2\cdots f_k,$ where $k\ge1$, the $f_i$ are integers strictly greater than $1$, and the order in which the factors are listed matters (that is, two representations that differ only in the order of the factors are counte... | [
{
"docid": "math_train_counting_and_probability_5011",
"text": "In a sequence of coin tosses, one can keep a record of instances in which a tail is immediately followed by a head, a head is immediately followed by a head, and etc. We denote these by TH, HH, and etc. For example, in the sequence TTTHHTHTTTHH... | [] | [] |
aops_2020_AMC_10A_Problems/Problem_24 | Let $n$ be the least positive integer greater than $1000$ for which
$\gcd(63, n+120) =21\quad \text{and} \quad \gcd(n+63, 120)=60.$
What is the sum of the digits of $n$?
$\textbf{(A) } 12 \qquad\textbf{(B) } 15 \qquad\textbf{(C) } 18 \qquad\textbf{(D) } 21\qquad\textbf{(E) } 24$ | [
{
"docid": "math_train_number_theory_7003",
"text": "The numbers in the sequence $101$, $104$, $109$, $116$,$\\ldots$ are of the form $a_n=100+n^2$, where $n=1,2,3,\\ldots$ For each $n$, let $d_n$ be the greatest common divisor of $a_n$ and $a_{n+1}$. Find the maximum value of $d_n$ as $n$ ranges through th... | [] | [] |
math_train_number_theory_7003 | The numbers in the sequence $101$, $104$, $109$, $116$,$\ldots$ are of the form $a_n=100+n^2$, where $n=1,2,3,\ldots$ For each $n$, let $d_n$ be the greatest common divisor of $a_n$ and $a_{n+1}$. Find the maximum value of $d_n$ as $n$ ranges through the positive integers. | [
{
"docid": "aops_2020_AMC_10A_Problems/Problem_24",
"text": "Let $n$ be the least positive integer greater than $1000$ for which\n$\\gcd(63, n+120) =21\\quad \\text{and} \\quad \\gcd(n+63, 120)=60.$\nWhat is the sum of the digits of $n$?\n$\\textbf{(A) } 12 \\qquad\\textbf{(B) } 15 \\qquad\\textbf{(C) } 18 ... | [] | [] |
aops_1959_IMO_Problems/Problem_1 | Prove that the fraction $\frac{21n+4}{14n+3}$ is irreducible for every natural number $n$. | [
{
"docid": "aops_2020_AMC_10A_Problems/Problem_24",
"text": "Let $n$ be the least positive integer greater than $1000$ for which\n$\\gcd(63, n+120) =21\\quad \\text{and} \\quad \\gcd(n+63, 120)=60.$\nWhat is the sum of the digits of $n$?\n$\\textbf{(A) } 12 \\qquad\\textbf{(B) } 15 \\qquad\\textbf{(C) } 18 ... | [] | [] |
aops_2021_AIME_I_Problems/Problem_10 | Consider the sequence $(a_k)_{k\ge 1}$ of positive rational numbers defined by $a_1 = \frac{2020}{2021}$ and for $k\ge 1$, if $a_k = \frac{m}{n}$ for relatively prime positive integers $m$ and $n$, then
$a_{k+1} = \frac{m + 18}{n+19}.$ Determine the sum of all positive integers $j$ such that the rational number $a_j$ c... | [
{
"docid": "aops_2020_AMC_10A_Problems/Problem_24",
"text": "Let $n$ be the least positive integer greater than $1000$ for which\n$\\gcd(63, n+120) =21\\quad \\text{and} \\quad \\gcd(n+63, 120)=60.$\nWhat is the sum of the digits of $n$?\n$\\textbf{(A) } 12 \\qquad\\textbf{(B) } 15 \\qquad\\textbf{(C) } 18 ... | [] | [] |
aops_2021_AIME_II_Problems/Problem_9 | Find the number of ordered pairs $(m, n)$ such that $m$ and $n$ are positive integers in the set $\{1, 2, ..., 30\}$ and the greatest common divisor of $2^m + 1$ and $2^n - 1$ is not $1$. | [
{
"docid": "aops_2020_AMC_10A_Problems/Problem_24",
"text": "Let $n$ be the least positive integer greater than $1000$ for which\n$\\gcd(63, n+120) =21\\quad \\text{and} \\quad \\gcd(n+63, 120)=60.$\nWhat is the sum of the digits of $n$?\n$\\textbf{(A) } 12 \\qquad\\textbf{(B) } 15 \\qquad\\textbf{(C) } 18 ... | [] | [] |
aops_2007_iTest_Problems/Problem_6 | Find the units digit of the sum
$\sum_{i=1}^{100}(i!)^{2}$
$\mathrm{(A)}\,0\quad\mathrm{(B)}\,1\quad\mathrm{(C)}\,3\quad\mathrm{(D)}\,5\quad\mathrm{(E)}\,7\quad\mathrm{(F)}\,9$ | [
{
"docid": "math_test_counting_and_probability_838",
"text": "Given that $\\displaystyle {{\\left((3!)!\\right)!}\\over{3!}}= k\\cdot\nn!$, where $k$ and $n$ are positive integers and $n$ is as large as possible, find $k+n$.\nNote that$${{\\left((3!)!\\right)!}\\over{3!}}=\n{{(6!)!}\\over{6}}={{720!}\\over6... | [] | [] |
math_test_counting_and_probability_838 | Given that $\displaystyle {{\left((3!)!\right)!}\over{3!}}= k\cdot
n!$, where $k$ and $n$ are positive integers and $n$ is as large as possible, find $k+n$. | [
{
"docid": "aops_2007_iTest_Problems/Problem_6",
"text": "Find the units digit of the sum\n$\\sum_{i=1}^{100}(i!)^{2}$\n$\\mathrm{(A)}\\,0\\quad\\mathrm{(B)}\\,1\\quad\\mathrm{(C)}\\,3\\quad\\mathrm{(D)}\\,5\\quad\\mathrm{(E)}\\,7\\quad\\mathrm{(F)}\\,9$\nIf i is less than 5, then $i!$ has a positive units ... | [] | [] |
math_train_number_theory_7066 | Let $P$ be the product of the first $100$ positive odd integers. Find the largest integer $k$ such that $P$ is divisible by $3^k .$ | [
{
"docid": "aops_2007_iTest_Problems/Problem_6",
"text": "Find the units digit of the sum\n$\\sum_{i=1}^{100}(i!)^{2}$\n$\\mathrm{(A)}\\,0\\quad\\mathrm{(B)}\\,1\\quad\\mathrm{(C)}\\,3\\quad\\mathrm{(D)}\\,5\\quad\\mathrm{(E)}\\,7\\quad\\mathrm{(F)}\\,9$\nIf i is less than 5, then $i!$ has a positive units ... | [] | [] |
aops_1987_IMO_Problems/Problem_1 | Let $p_n (k)$ be the number of permutations of the set $\{ 1, \ldots , n \} , \; n \ge 1$, which have exactly $k$ fixed points. Prove that
(Remark: A permutation $f$ of a set $S$ is a one-to-one mapping of $S$ onto itself. An element $i$ in $S$ is called a fixed point of the permutation $f$ if $f(i) = i$.) | [
{
"docid": "aops_2007_iTest_Problems/Problem_6",
"text": "Find the units digit of the sum\n$\\sum_{i=1}^{100}(i!)^{2}$\n$\\mathrm{(A)}\\,0\\quad\\mathrm{(B)}\\,1\\quad\\mathrm{(C)}\\,3\\quad\\mathrm{(D)}\\,5\\quad\\mathrm{(E)}\\,7\\quad\\mathrm{(F)}\\,9$\nIf i is less than 5, then $i!$ has a positive units ... | [] | [] |
aops_2020_AMC_8_Problems/Problem_12 | For a positive integer $n$, the factorial notation $n!$ represents the product of the integers from $n$ to $1$. What value of $N$ satisfies the following equation? $5!\cdot 9!=12\cdot N!$
$\textbf{(A) }10\qquad\textbf{(B) }11\qquad\textbf{(C) }12\qquad\textbf{(D) }13\qquad\textbf{(E) }14\qquad$ | [
{
"docid": "aops_2007_iTest_Problems/Problem_6",
"text": "Find the units digit of the sum\n$\\sum_{i=1}^{100}(i!)^{2}$\n$\\mathrm{(A)}\\,0\\quad\\mathrm{(B)}\\,1\\quad\\mathrm{(C)}\\,3\\quad\\mathrm{(D)}\\,5\\quad\\mathrm{(E)}\\,7\\quad\\mathrm{(F)}\\,9$\nIf i is less than 5, then $i!$ has a positive units ... | [] | [] |
aops_2000_AMC_12_Problems/Problem_4 | The Fibonacci sequence $1,1,2,3,5,8,13,21,\ldots$ starts with two 1s, and each term afterwards is the sum of its two predecessors. Which one of the ten digits is the last to appear in the units position of a number in the Fibonacci sequence?
$\textbf{(A)} \ 0 \qquad \textbf{(B)} \ 4 \qquad \textbf{(C)} \ 6 \qquad \t... | [
{
"docid": "math_train_intermediate_algebra_659",
"text": "Except for the first two terms, each term of the sequence $1000, x, 1000 - x,\\ldots$ is obtained by subtracting the preceding term from the one before that. The last term of the sequence is the first negative term encountered. What positive integer... | [] | [] |
math_train_intermediate_algebra_659 | Except for the first two terms, each term of the sequence $1000, x, 1000 - x,\ldots$ is obtained by subtracting the preceding term from the one before that. The last term of the sequence is the first negative term encounted. What positive integer $x$ produces a sequence of maximum length? | [
{
"docid": "aops_2000_AMC_12_Problems/Problem_4",
"text": "The Fibonacci sequence $1,1,2,3,5,8,13,21,\\ldots$ starts with two 1s, and each term afterwards is the sum of its two predecessors. Which one of the ten digits is the last to appear in the units position of a number in the Fibonacci sequence?\n$\\te... | [] | [] |
aops_1990_AIME_Problems/Problem_9 | A fair coin is to be tossed $10_{}^{}$ times. Let $\frac{i}{j}^{}_{}$, in lowest terms, be the probability that heads never occur on consecutive tosses. Find $i+j_{}^{}$. | [
{
"docid": "aops_2000_AMC_12_Problems/Problem_4",
"text": "The Fibonacci sequence $1,1,2,3,5,8,13,21,\\ldots$ starts with two 1s, and each term afterwards is the sum of its two predecessors. Which one of the ten digits is the last to appear in the units position of a number in the Fibonacci sequence?\n$\\te... | [] | [] |
math_train_intermediate_algebra_477 | Find $a$ if $a$ and $b$ are integers such that $x^2 - x - 1$ is a factor of $ax^{17} + bx^{16} + 1$. | [
{
"docid": "aops_2000_AMC_12_Problems/Problem_4",
"text": "The Fibonacci sequence $1,1,2,3,5,8,13,21,\\ldots$ starts with two 1s, and each term afterwards is the sum of its two predecessors. Which one of the ten digits is the last to appear in the units position of a number in the Fibonacci sequence?\n$\\te... | [] | [] |
aops_1981_IMO_Problems/Problem_3 | Determine the maximum value of $m^2 + n^2$, where $m$ and $n$ are integers satisfying $m, n \in \{ 1,2, \ldots , 1981 \}$ and $( n^2 - mn - m^2 )^2 = 1$. | [
{
"docid": "aops_2000_AMC_12_Problems/Problem_4",
"text": "The Fibonacci sequence $1,1,2,3,5,8,13,21,\\ldots$ starts with two 1s, and each term afterwards is the sum of its two predecessors. Which one of the ten digits is the last to appear in the units position of a number in the Fibonacci sequence?\n$\\te... | [] | [] |
aops_2011_AMC_8_Problems/Problem_6 | In a town of $351$ adults, every adult owns a car, motorcycle, or both. If $331$ adults own cars and $45$ adults own motorcycles, how many of the car owners do not own a motorcycle?
$\textbf{(A)}\ 20 \qquad \textbf{(B)}\ 25 \qquad \textbf{(C)}\ 45 \qquad \textbf{(D)}\ 306 \qquad \textbf{(E)}\ 351$
| [
{
"docid": "aops_2017_AMC_10B_Problems/Problem_13",
"text": "There are $20$ students participating in an after-school program offering classes in yoga, bridge, and painting. Each student must take at least one of these three classes, but may take two or all three. There are $10$ students taking yoga, $13$ t... | [] | [] |
aops_2017_AMC_10B_Problems/Problem_13 | There are $20$ students participating in an after-school program offering classes in yoga, bridge, and painting. Each student must take at least one of these three classes, but may take two or all three. There are $10$ students taking yoga, $13$ taking bridge, and $9$ taking painting. There are $9$ students taking at l... | [
{
"docid": "aops_2011_AMC_8_Problems/Problem_6",
"text": "In a town of $351$ adults, every adult owns a car, motorcycle, or both. If $331$ adults own cars and $45$ adults own motorcycles, how many of the car owners do not own a motorcycle?\n$\\textbf{(A)}\\ 20 \\qquad \\textbf{(B)}\\ 25 \\qquad \\textbf{(C)... | [] | [] |
aops_2005_AMC_12A_Problems/Problem_18 | Call a number prime-looking if it is composite but not divisible by $2, 3,$ or $5.$ The three smallest prime-looking numbers are $49, 77$, and $91$. There are $168$ prime numbers less than $1000$. How many prime-looking numbers are there less than $1000$?
$(\mathrm {A}) \ 100 \qquad (\mathrm {B}) \ 102 \qquad (\mathrm ... | [
{
"docid": "aops_2011_AMC_8_Problems/Problem_6",
"text": "In a town of $351$ adults, every adult owns a car, motorcycle, or both. If $331$ adults own cars and $45$ adults own motorcycles, how many of the car owners do not own a motorcycle?\n$\\textbf{(A)}\\ 20 \\qquad \\textbf{(B)}\\ 25 \\qquad \\textbf{(C)... | [] | [] |
math_train_counting_and_probability_5047 | Each unit square of a 3-by-3 unit-square grid is to be colored either blue or red. For each square, either color is equally likely to be used. The probability of obtaining a grid that does not have a 2-by-2 red square is $\frac {m}{n}$, where $m$ and $n$ are relatively prime positive integers. Find $m + n$. | [
{
"docid": "aops_2011_AMC_8_Problems/Problem_6",
"text": "In a town of $351$ adults, every adult owns a car, motorcycle, or both. If $331$ adults own cars and $45$ adults own motorcycles, how many of the car owners do not own a motorcycle?\n$\\textbf{(A)}\\ 20 \\qquad \\textbf{(B)}\\ 25 \\qquad \\textbf{(C)... | [] | [] |
math_train_counting_and_probability_5048 | Many states use a sequence of three letters followed by a sequence of three digits as their standard license-plate pattern. Given that each three-letter three-digit arrangement is equally likely, the probability that such a license plate will contain at least one palindrome (a three-letter arrangement or a three-digit... | [
{
"docid": "aops_2011_AMC_8_Problems/Problem_6",
"text": "In a town of $351$ adults, every adult owns a car, motorcycle, or both. If $331$ adults own cars and $45$ adults own motorcycles, how many of the car owners do not own a motorcycle?\n$\\textbf{(A)}\\ 20 \\qquad \\textbf{(B)}\\ 25 \\qquad \\textbf{(C)... | [] | [] |
aops_2020_AIME_II_Problems/Problem_9 | While watching a show, Ayako, Billy, Carlos, Dahlia, Ehuang, and Frank sat in that order in a row of six chairs. During the break, they went to the kitchen for a snack. When they came back, they sat on those six chairs in such a way that if two of them sat next to each other before the break, then they did not sit next... | [
{
"docid": "aops_2011_AMC_8_Problems/Problem_6",
"text": "In a town of $351$ adults, every adult owns a car, motorcycle, or both. If $331$ adults own cars and $45$ adults own motorcycles, how many of the car owners do not own a motorcycle?\n$\\textbf{(A)}\\ 20 \\qquad \\textbf{(B)}\\ 25 \\qquad \\textbf{(C)... | [] | [] |
math_train_counting_and_probability_5045 | Each of the $2001$ students at a high school studies either Spanish or French, and some study both. The number who study Spanish is between $80$ percent and $85$ percent of the school population, and the number who study French is between $30$ percent and $40$ percent. Let $m$ be the smallest number of students who cou... | [
{
"docid": "aops_2011_AMC_8_Problems/Problem_6",
"text": "In a town of $351$ adults, every adult owns a car, motorcycle, or both. If $331$ adults own cars and $45$ adults own motorcycles, how many of the car owners do not own a motorcycle?\n$\\textbf{(A)}\\ 20 \\qquad \\textbf{(B)}\\ 25 \\qquad \\textbf{(C)... | [] | [] |
aops_2017_AIME_II_Problems/Problem_1 | Find the number of subsets of $\{1, 2, 3, 4, 5, 6, 7, 8\}$ that are subsets of neither $\{1, 2, 3, 4, 5\}$ nor $\{4, 5, 6, 7, 8\}$. | [
{
"docid": "aops_2011_AMC_8_Problems/Problem_6",
"text": "In a town of $351$ adults, every adult owns a car, motorcycle, or both. If $331$ adults own cars and $45$ adults own motorcycles, how many of the car owners do not own a motorcycle?\n$\\textbf{(A)}\\ 20 \\qquad \\textbf{(B)}\\ 25 \\qquad \\textbf{(C)... | [] | [] |
math_test_counting_and_probability_430 | Bob and Alice each have a bag that contains one ball of each of the colors blue, green, orange, red, and violet. Alice randomly selects one ball from her bag and puts it into Bob's bag. Bob then randomly selects one ball from his bag and puts it into Alice's bag. What is the probability that after this process the cont... | [
{
"docid": "math_test_prealgebra_1987",
"text": "What is $(7^{-1})^{-1}$?\nIn general, $(a^m)^n = a^{mn}$, so $(7^{-1})^{-1} = 7^{(-1) \\cdot (-1)} = 7^1 = \\boxed{7}$.",
"title": ""
},
{
"docid": "math_test_counting_and_probability_1003",
"text": "When rolling a certain unfair six-sided die... | [] | [] |
math_test_prealgebra_1987 | For a particular peculiar pair of dice, the probabilities of rolling $1$, $2$, $3$, $4$, $5$, and $6$, on each die are in the ratio $1:2:3:4:5:6$. What is the probability of rolling a total of $7$ on the two dice?
$\mathrm{(A) \ } \frac{4}{63}\qquad \mathrm{(B) \ } \frac{1}{8}\qquad \mathrm{(C) \ } \frac{8}{63}\qquad \... | [
{
"docid": "math_test_counting_and_probability_430",
"text": "Bob and Alice each have a bag that contains one ball of each of the colors, blue, green, orange, red, and violet. Alice randomly selects one ball from her bag and puts it into Bob's bag. Bob then randomly selects one ball from his bag and puts ... | [] | [] |
math_test_counting_and_probability_1003 | When rolling a certain unfair six-sided die with faces numbered 1, 2, 3, 4, 5, and 6, the probability of obtaining face $F$ is greater than $1/6$, the probability of obtaining the face opposite face $F$ is less than $1/6$, the probability of obtaining each of the other faces is $1/6$, and the sum of the numbers on each... | [
{
"docid": "math_test_counting_and_probability_430",
"text": "Bob and Alice each have a bag that contains one ball of each of the colors, blue, green, orange, red, and violet. Alice randomly selects one ball from her bag and puts it into Bob's bag. Bob then randomly selects one ball from his bag and puts ... | [] | [] |
aops_2007_AIME_II_Problems/Problem_10 | Let $S$ be a set with six elements. Let $\mathcal{P}$ be the set of all subsets of $S.$ Subsets $A$ and $B$ of $S$, not necessarily distinct, are chosen independently and at random from $\mathcal{P}$. The probability that $B$ is contained in one of $A$ or $S-A$ is $\frac{m}{n^{r}},$ where $m$, $n$, and $r$ are positive... | [
{
"docid": "math_test_counting_and_probability_430",
"text": "Bob and Alice each have a bag that contains one ball of each of the colors, blue, green, orange, red, and violet. Alice randomly selects one ball from her bag and puts it into Bob's bag. Bob then randomly selects one ball from his bag and puts ... | [] | [] |
math_train_geometry_317 | In triangle $ABC$, medians $AD$ and $CE$ intersect at $P$, $PE=1.5$, $PD=2$, and $DE=2.5$. What is the area of $AEDC$?
[asy] unitsize(0.2cm); pair A,B,C,D,E,P; A=(0,0); B=(80,0); C=(20,40); D=(50,20); E=(40,0); P=(33.3,13.3); draw(A--B); draw(B--C); draw(A--C); draw(C--E); draw(A--D); draw(D--E); dot(A); dot(B); dot(C... | [
{
"docid": "math_train_geometry_6060",
"text": "Triangle $ABC$ has $AB=21$, $AC=22$ and $BC=20$. Points $D$ and $E$ are located on $\\overline{AB}$ and $\\overline{AC}$, respectively, such that $\\overline{DE}$ is parallel to $\\overline{BC}$ and contains the center of the inscribed circle of triangle $ABC$... | [] | [] |
math_train_geometry_6060 | Triangle $ABC$ has $AB=21$, $AC=22$ and $BC=20$. Points $D$ and $E$ are located on $\overline{AB}$ and $\overline{AC}$, respectively, such that $\overline{DE}$ is parallel to $\overline{BC}$ and contains the center of the inscribed circle of triangle $ABC$. Then $DE=m/n$, where $m$ and $n$ are relatively prime positive... | [
{
"docid": "math_train_geometry_317",
"text": "In triangle $ABC$, medians $AD$ and $CE$ intersect at $P$, $PE=1.5$, $PD=2$, and $DE=2.5$. What is the area of $AEDC$?\nNote that $1.5^2 + 2^2 = 2.5^2,$ so $\\triangle PED$ has a right angle at $P.$ (Alternatively, you could note that $(1.5, 2, 2.5)$ is half o... | [] | [] |
aops_1971_AHSME_Problems/Problem_26 | [asy] size(2.5inch); pair A, B, C, E, F, G; A = (0,3); B = (-1,0); C = (3,0); E = (0,0); F = (1,2); G = intersectionpoint(B--F,A--E); draw(A--B--C--cycle); draw(A--E); draw(B--F); label("$A$",A,N); label("$B$",B,W); label("$C$",C,dir(0)); label("$E$",E,S); label("$F$",F,NE); label("$G$",G,SE); //Credit to chezbgone2 fo... | [
{
"docid": "math_train_geometry_317",
"text": "In triangle $ABC$, medians $AD$ and $CE$ intersect at $P$, $PE=1.5$, $PD=2$, and $DE=2.5$. What is the area of $AEDC$?\nNote that $1.5^2 + 2^2 = 2.5^2,$ so $\\triangle PED$ has a right angle at $P.$ (Alternatively, you could note that $(1.5, 2, 2.5)$ is half o... | [] | [] |
aops_1985_AIME_Problems/Problem_6 | As shown in the figure, triangle $ABC$ is divided into six smaller triangles by lines drawn from the vertices through a common interior point. The areas of four of these triangles are as indicated. Find the area of triangle $ABC$.
| [
{
"docid": "math_train_geometry_317",
"text": "In triangle $ABC$, medians $AD$ and $CE$ intersect at $P$, $PE=1.5$, $PD=2$, and $DE=2.5$. What is the area of $AEDC$?\nNote that $1.5^2 + 2^2 = 2.5^2,$ so $\\triangle PED$ has a right angle at $P.$ (Alternatively, you could note that $(1.5, 2, 2.5)$ is half o... | [] | [] |
aops_1988_AIME_Problems/Problem_12 | Let $P$ be an interior point of triangle $ABC$ and extend lines from the vertices through $P$ to the opposite sides. Let $a$, $b$, $c$, and $d$ denote the lengths of the segments indicated in the figure. Find the product $abc$ if $a + b + c = 43$ and $d = 3$.
| [
{
"docid": "math_train_geometry_317",
"text": "In triangle $ABC$, medians $AD$ and $CE$ intersect at $P$, $PE=1.5$, $PD=2$, and $DE=2.5$. What is the area of $AEDC$?\nNote that $1.5^2 + 2^2 = 2.5^2,$ so $\\triangle PED$ has a right angle at $P.$ (Alternatively, you could note that $(1.5, 2, 2.5)$ is half o... | [] | [] |
math_train_geometry_6022 | In triangle $ABC^{}_{}$, $A'$, $B'$, and $C'$ are on the sides $BC$, $AC^{}_{}$, and $AB^{}_{}$, respectively. Given that $AA'$, $BB'$, and $CC'$ are concurrent at the point $O^{}_{}$, and that $\frac{AO^{}_{}}{OA'}+\frac{BO}{OB'}+\frac{CO}{OC'}=92$, find $\frac{AO}{OA'}\cdot \frac{BO}{OB'}\cdot \frac{CO}{OC'}$. | [
{
"docid": "math_train_geometry_317",
"text": "In triangle $ABC$, medians $AD$ and $CE$ intersect at $P$, $PE=1.5$, $PD=2$, and $DE=2.5$. What is the area of $AEDC$?\nNote that $1.5^2 + 2^2 = 2.5^2,$ so $\\triangle PED$ has a right angle at $P.$ (Alternatively, you could note that $(1.5, 2, 2.5)$ is half o... | [] | [] |
math_train_geometry_6116 | Triangle $ABC$ has $AC = 450$ and $BC = 300$. Points $K$ and $L$ are located on $\overline{AC}$ and $\overline{AB}$ respectively so that $AK = CK$, and $\overline{CL}$ is the angle bisector of angle $C$. Let $P$ be the point of intersection of $\overline{BK}$ and $\overline{CL}$, and let $M$ be the point on line $BK$ f... | [
{
"docid": "math_train_geometry_317",
"text": "In triangle $ABC$, medians $AD$ and $CE$ intersect at $P$, $PE=1.5$, $PD=2$, and $DE=2.5$. What is the area of $AEDC$?\nNote that $1.5^2 + 2^2 = 2.5^2,$ so $\\triangle PED$ has a right angle at $P.$ (Alternatively, you could note that $(1.5, 2, 2.5)$ is half o... | [] | [] |
aops_2016_AMC_10A_Problems/Problem_19 | In rectangle $ABCD,$ $AB=6$ and $BC=3$. Point $E$ between $B$ and $C$, and point $F$ between $E$ and $C$ are such that $BE=EF=FC$. Segments $\overline{AE}$ and $\overline{AF}$ intersect $\overline{BD}$ at $P$ and $Q$, respectively. The ratio $BP:PQ:QD$ can be written as $r:s:t$ where the greatest common factor of $r,s,... | [
{
"docid": "math_train_geometry_317",
"text": "In triangle $ABC$, medians $AD$ and $CE$ intersect at $P$, $PE=1.5$, $PD=2$, and $DE=2.5$. What is the area of $AEDC$?\nNote that $1.5^2 + 2^2 = 2.5^2,$ so $\\triangle PED$ has a right angle at $P.$ (Alternatively, you could note that $(1.5, 2, 2.5)$ is half o... | [] | [] |
math_train_geometry_6115 | In parallelogram $ABCD$, point $M$ is on $\overline{AB}$ so that $\frac {AM}{AB} = \frac {17}{1000}$ and point $N$ is on $\overline{AD}$ so that $\frac {AN}{AD} = \frac {17}{2009}$. Let $P$ be the point of intersection of $\overline{AC}$ and $\overline{MN}$. Find $\frac {AC}{AP}$. | [
{
"docid": "math_train_geometry_317",
"text": "In triangle $ABC$, medians $AD$ and $CE$ intersect at $P$, $PE=1.5$, $PD=2$, and $DE=2.5$. What is the area of $AEDC$?\nNote that $1.5^2 + 2^2 = 2.5^2,$ so $\\triangle PED$ has a right angle at $P.$ (Alternatively, you could note that $(1.5, 2, 2.5)$ is half o... | [] | [] |
math_train_intermediate_algebra_2060 | The polynomial $x^3-ax^2+bx-2010$ has three positive integer roots. What is the smallest possible value of $a$?
$\textbf{(A)}\ 78 \qquad \textbf{(B)}\ 88 \qquad \textbf{(C)}\ 98 \qquad \textbf{(D)}\ 108 \qquad \textbf{(E)}\ 118$ | [
{
"docid": "math_train_algebra_2521",
"text": "The quadratic equation $x^2+mx+n=0$ has roots that are twice those of $x^2+px+m=0,$ and none of $m,$ $n,$ and $p$ is zero. What is the value of $n/p?$\nLet $r_1$ and $r_2$ be the roots of $x^2+px+m=0.$ Since the roots of $x^2+mx+n=0$ are $2r_1$ and $2r_2,$ we h... | [] | [] |
math_train_algebra_2521 | The quadratic equation $x^2+mx+n$ has roots twice those of $x^2+px+m$, and none of $m,n,$ and $p$ is zero. What is the value of $n/p$?
$\textbf{(A) }\ {{{1}}} \qquad \textbf{(B) }\ {{{2}}} \qquad \textbf{(C) }\ {{{4}}} \qquad \textbf{(D) }\ {{{8}}} \qquad \textbf{(E) }\ {{{16}}}$ | [
{
"docid": "math_train_intermediate_algebra_2060",
"text": "The polynomial $x^3 -ax^2 + bx -2010$ has three positive integer roots. What is the smallest possible value of $a$?\nBy Vieta's Formulas, we know that $a$ is the sum of the three roots of the polynomial $x^3-ax^2+bx-2010$. Again Vieta's Formulas te... | [] | [] |
math_test_intermediate_algebra_951 | The sum of the zeros, the product of the zeros, and the sum of the coefficients of the function $f(x)=ax^{2}+bx+c$ are equal. Their common value must also be which of the following?
$\textrm{(A)}\ \textrm{the\ coefficient\ of\ }x^{2}~~~ \textrm{(B)}\ \textrm{the\ coefficient\ of\ }x$
$\textrm{(C)}\ \textrm{the\ y-inter... | [
{
"docid": "math_train_intermediate_algebra_2060",
"text": "The polynomial $x^3 -ax^2 + bx -2010$ has three positive integer roots. What is the smallest possible value of $a$?\nBy Vieta's Formulas, we know that $a$ is the sum of the three roots of the polynomial $x^3-ax^2+bx-2010$. Again Vieta's Formulas te... | [] | [] |
math_test_algebra_1208 | An infinite geometric series has sum 2000. A new series, obtained by squaring each term of the original series, has sum 16 times the sum of the original series. The common ratio of the original series is $m/n$, where $m$ and $n$ are relatively prime positive integers. Find $m+n$. | [
{
"docid": "math_train_intermediate_algebra_1822",
"text": "The sum of the first 2011 terms of a geometric sequence is 200. The sum of the first 4022 terms is 380. Find the sum of the first 6033 terms.\nLet the first term be $a,$ and let the common ratio be $r.$ Then\n\\[a + ar + ar^2 + \\dots + ar^{2010} ... | [] | [] |
math_train_intermediate_algebra_1822 | The sum of the first $2011$ terms of a geometric sequence is $200$. The sum of the first $4022$ terms is $380$. Find the sum of the first $6033$ terms. | [
{
"docid": "math_test_algebra_1208",
"text": "An infinite geometric series has sum 2000. A new series, obtained by squaring each term of the original series, has sum 16 times the sum of the original series. The common ratio of the original series is $m/n$, where $m$ and $n$ are relatively prime positive i... | [] | [] |
math_train_number_theory_7078 | Call a $3$-digit number geometric if it has $3$ distinct digits which, when read from left to right, form a geometric sequence. Find the difference between the largest and smallest geometric numbers. | [
{
"docid": "math_test_algebra_1208",
"text": "An infinite geometric series has sum 2000. A new series, obtained by squaring each term of the original series, has sum 16 times the sum of the original series. The common ratio of the original series is $m/n$, where $m$ and $n$ are relatively prime positive i... | [] | [] |
aops_2009_AMC_12A_Problems/Problem_17 | Let $a + ar_1 + ar_1^2 + ar_1^3 + \cdots$ and $a + ar_2 + ar_2^2 + ar_2^3 + \cdots$ be two different infinite geometric series of positive numbers with the same first term. The sum of the first series is $r_1$, and the sum of the second series is $r_2$. What is $r_1 + r_2$?
$\textbf{(A)}\ 0\qquad \textbf{(B)}\ \frac ... | [
{
"docid": "math_test_algebra_1208",
"text": "An infinite geometric series has sum 2000. A new series, obtained by squaring each term of the original series, has sum 16 times the sum of the original series. The common ratio of the original series is $m/n$, where $m$ and $n$ are relatively prime positive i... | [] | [] |
aops_2021_Fall_AMC_12A_Problems/Problem_12 | What is the number of terms with rational coefficients among the $1001$ terms in the expansion of $\left(x\sqrt[3]{2}+y\sqrt{3}\right)^{1000}?$
$\textbf{(A)}\ 0 \qquad\textbf{(B)}\ 166 \qquad\textbf{(C)}\ 167 \qquad\textbf{(D)}\ 500 \qquad\textbf{(E)}\ 501$ | [
{
"docid": "math_test_intermediate_algebra_1812",
"text": "What is the hundreds digit of $2011^{2011}$?\nThe hundreds digit of $2011^{2011}$ is the same as the hundreds digit of $11^{2011}.$\n\nBy the Binomial Theorem,\n\\begin{align*}\n11^{2011} &= (10 + 1)^{2011} \\\\\n&= 10^{2011} + \\binom{2011}{1} 10^{... | [] | [] |
math_test_intermediate_algebra_1812 | What is the hundreds digit of $2011^{2011}?$
$\textbf{(A) } 1 \qquad \textbf{(B) } 4 \qquad \textbf{(C) }5 \qquad \textbf{(D) } 6 \qquad \textbf{(E) } 9$ | [
{
"docid": "aops_2021_Fall_AMC_12A_Problems/Problem_12",
"text": "What is the number of terms with rational coefficients among the $1001$ terms in the expansion of $\\left(x\\sqrt[3]{2}+y\\sqrt{3}\\right)^{1000}?$\n$\\textbf{(A)}\\ 0 \\qquad\\textbf{(B)}\\ 166 \\qquad\\textbf{(C)}\\ 167 \\qquad\\textbf{(D)}... | [] | [] |
aops_2008_AMC_12A_Problems/Problem_16 | The numbers $\log(a^3b^7)$, $\log(a^5b^{12})$, and $\log(a^8b^{15})$ are the first three terms of an arithmetic sequence, and the $12^\text{th}$ term of the sequence is $\log{b^n}$. What is $n$?
$\mathrm{(A)}\ 40\qquad\mathrm{(B)}\ 56\qquad\mathrm{(C)}\ 76\qquad\mathrm{(D)}\ 112\qquad\mathrm{(E)}\ 143$ | [
{
"docid": "aops_2021_AMC_12B_Problems/Problem_9",
"text": "What is the value of $\\frac{\\log_2 80}{\\log_{40}2}-\\frac{\\log_2 160}{\\log_{20}2}?$ $\\textbf{(A) }0 \\qquad \\textbf{(B) }1 \\qquad \\textbf{(C) }\\frac54 \\qquad \\textbf{(D) }2 \\qquad \\textbf{(E) }\\log_2 5$\n$\\frac{\\log_{2}{80}}{\\log_... | [] | [] |
aops_2021_AMC_12B_Problems/Problem_9 | What is the value of $\frac{\log_2 80}{\log_{40}2}-\frac{\log_2 160}{\log_{20}2}?$ $\textbf{(A) }0 \qquad \textbf{(B) }1 \qquad \textbf{(C) }\frac54 \qquad \textbf{(D) }2 \qquad \textbf{(E) }\log_2 5$ | [
{
"docid": "aops_2008_AMC_12A_Problems/Problem_16",
"text": "The numbers $\\log(a^3b^7)$, $\\log(a^5b^{12})$, and $\\log(a^8b^{15})$ are the first three terms of an arithmetic sequence, and the $12^\\text{th}$ term of the sequence is $\\log{b^n}$. What is $n$?\n$\\mathrm{(A)}\\ 40\\qquad\\mathrm{(B)}\\ 56\\... | [] | [] |
math_train_intermediate_algebra_1268 | What is the value of $a$ for which $\frac{1}{\text{log}_2a} + \frac{1}{\text{log}_3a} + \frac{1}{\text{log}_4a} = 1$?
$\textbf{(A)}\ 9\qquad\textbf{(B)}\ 12\qquad\textbf{(C)}\ 18\qquad\textbf{(D)}\ 24\qquad\textbf{(E)}\ 36$ | [
{
"docid": "aops_2008_AMC_12A_Problems/Problem_16",
"text": "The numbers $\\log(a^3b^7)$, $\\log(a^5b^{12})$, and $\\log(a^8b^{15})$ are the first three terms of an arithmetic sequence, and the $12^\\text{th}$ term of the sequence is $\\log{b^n}$. What is $n$?\n$\\mathrm{(A)}\\ 40\\qquad\\mathrm{(B)}\\ 56\\... | [] | [] |
aops_2002_AIME_I_Problems/Problem_6 | The solutions to the system of equations
are $(x_1,y_1)$ and $(x_2,y_2)$. Find $\log_{30}\left(x_1y_1x_2y_2\right)$. | [
{
"docid": "aops_2008_AMC_12A_Problems/Problem_16",
"text": "The numbers $\\log(a^3b^7)$, $\\log(a^5b^{12})$, and $\\log(a^8b^{15})$ are the first three terms of an arithmetic sequence, and the $12^\\text{th}$ term of the sequence is $\\log{b^n}$. What is $n$?\n$\\mathrm{(A)}\\ 40\\qquad\\mathrm{(B)}\\ 56\\... | [] | [] |
math_train_counting_and_probability_5111 | Two quadrilaterals are considered the same if one can be obtained from the other by a rotation and a translation. How many different convex cyclic quadrilaterals are there with integer sides and perimeter equal to 32?
$\textbf{(A)}\ 560 \qquad \textbf{(B)}\ 564 \qquad \textbf{(C)}\ 568 \qquad \textbf{(D)}\ 1498 \qquad ... | [
{
"docid": "math_train_counting_and_probability_822",
"text": "How many non-congruent triangles with perimeter 7 have integer side lengths?\nThe longest side cannot be greater than 3, since otherwise the remaining two sides would not be long enough to form a triangle. The only possible triangles have side l... | [] | [] |
math_train_counting_and_probability_822 | How many non-congruent triangles with perimeter $7$ have integer side lengths?
$\mathrm{(A) \ } 1\qquad \mathrm{(B) \ } 2\qquad \mathrm{(C) \ } 3\qquad \mathrm{(D) \ } 4\qquad \mathrm{(E) \ } 5$ | [
{
"docid": "math_train_counting_and_probability_5111",
"text": "Two quadrilaterals are considered the same if one can be obtained from the other by a rotation and a translation. How many different convex cyclic quadrilaterals are there with integer sides and perimeter equal to 32?\n$\\textbf{(A)}\\ 560 \\qq... | [] | [] |
math_train_geometry_747 | In a triangle with integer side lengths, one side is three times as long as a second side, and the length of the third side is $15$. What is the greatest possible perimeter of the triangle?
$\textbf{(A) } 43\qquad \textbf{(B) } 44\qquad \textbf{(C) } 45\qquad \textbf{(D) } 46\qquad \textbf{(E) } 47$ | [
{
"docid": "math_train_counting_and_probability_5111",
"text": "Two quadrilaterals are considered the same if one can be obtained from the other by a rotation and a translation. How many different convex cyclic quadrilaterals are there with integer sides and perimeter equal to 32?\n$\\textbf{(A)}\\ 560 \\qq... | [] | [] |
math_train_counting_and_probability_5064 | A collection of 8 cubes consists of one cube with edge-length $k$ for each integer $k, 1 \le k \le 8.$ A tower is to be built using all 8 cubes according to the rules:
Any cube may be the bottom cube in the tower.
The cube immediately on top of a cube with edge-length $k$ must have edge-length at most $k+2.$
Let $T$ be... | [
{
"docid": "aops_1994_AIME_Problems/Problem_9",
"text": "A solitaire game is played as follows. Six distinct pairs of matched tiles are placed in a bag. The player randomly draws tiles one at a time from the bag and retains them, except that matching tiles are put aside as soon as they appear in the playe... | [] | [] |
aops_1994_AIME_Problems/Problem_9 | A solitaire game is played as follows. Six distinct pairs of matched tiles are placed in a bag. The player randomly draws tiles one at a time from the bag and retains them, except that matching tiles are put aside as soon as they appear in the player's hand. The game ends if the player ever holds three tiles, no two... | [
{
"docid": "math_train_counting_and_probability_5064",
"text": "A collection of 8 cubes consists of one cube with edge-length $k$ for each integer $k, 1 \\le k \\le 8.$ A tower is to be built using all 8 cubes according to the rules:\nAny cube may be the bottom cube in the tower.\nThe cube immediately on to... | [] | [] |
aops_2015_AMC_12A_Problems/Problem_22 | For each positive integer $n$, let $S(n)$ be the number of sequences of length $n$ consisting solely of the letters $A$ and $B$, with no more than three $A$s in a row and no more than three $B$s in a row. What is the remainder when $S(2015)$ is divided by $12$?
$\textbf{(A)}\ 0\qquad\textbf{(B)}\ 4\qquad\textbf{(C)}\ 6... | [
{
"docid": "math_train_counting_and_probability_5064",
"text": "A collection of 8 cubes consists of one cube with edge-length $k$ for each integer $k, 1 \\le k \\le 8.$ A tower is to be built using all 8 cubes according to the rules:\nAny cube may be the bottom cube in the tower.\nThe cube immediately on to... | [] | [] |
aops_2022_AMC_10B_Problems/Problem_9 | The sum
$\frac{1}{2!}+\frac{2}{3!}+\frac{3}{4!}+\cdots+\frac{2021}{2022!}$ can be expressed as $a-\frac{1}{b!}$, where $a$ and $b$ are positive integers. What is $a+b$?
$\textbf{(A)}\ 2020 \qquad\textbf{(B)}\ 2021 \qquad\textbf{(C)}\ 2022 \qquad\textbf{(D)}\ 2023 \qquad\textbf{(E)}\ 2024$ | [
{
"docid": "math_train_counting_and_probability_5064",
"text": "A collection of 8 cubes consists of one cube with edge-length $k$ for each integer $k, 1 \\le k \\le 8.$ A tower is to be built using all 8 cubes according to the rules:\nAny cube may be the bottom cube in the tower.\nThe cube immediately on to... | [] | [] |
math_train_algebra_2826 | The sum of $49$ consecutive integers is $7^5$. What is their median?
$\text {(A)}\ 7 \qquad \text {(B)}\ 7^2\qquad \text {(C)}\ 7^3\qquad \text {(D)}\ 7^4\qquad \text {(E)}\ 7^5$ | [
{
"docid": "aops_2019_AMC_10A_Problems/Problem_12",
"text": "Melanie computes the mean $\\mu$, the median $M$, and the modes of the $365$ values that are the dates in the months of $2019$. Thus her data consist of $12$ $1\\text{s}$, $12$ $2\\text{s}$, . . . , $12$ $28\\text{s}$, $11$ $29\\text{s}$, $11$ $30... | [] | [] |
aops_2019_AMC_10A_Problems/Problem_12 | Melanie computes the mean $\mu$, the median $M$, and the modes of the $365$ values that are the dates in the months of $2019$. Thus her data consist of $12$ $1\text{s}$, $12$ $2\text{s}$, . . . , $12$ $28\text{s}$, $11$ $29\text{s}$, $11$ $30\text{s}$, and $7$ $31\text{s}$. Let $d$ be the median of the modes. Which of ... | [
{
"docid": "math_train_algebra_2826",
"text": "The sum of 49 consecutive integers is $7^5$. What is their median?\nThe sum of a set of integers is the product of the mean of the integers and the number of integers, and the median of a set of consecutive integers is the same as the mean. So the median must b... | [] | [] |
aops_2016_AMC_10A_Problems/Problem_7 | The mean, median, and mode of the $7$ data values $60, 100, x, 40, 50, 200, 90$ are all equal to $x$. What is the value of $x$?
$\textbf{(A)}\ 50 \qquad\textbf{(B)}\ 60 \qquad\textbf{(C)}\ 75 \qquad\textbf{(D)}\ 90 \qquad\textbf{(E)}\ 100$ | [
{
"docid": "math_train_algebra_2826",
"text": "The sum of 49 consecutive integers is $7^5$. What is their median?\nThe sum of a set of integers is the product of the mean of the integers and the number of integers, and the median of a set of consecutive integers is the same as the mean. So the median must b... | [] | [] |
aops_2000_AMC_12_Problems/Problem_14 | When the mean, median, and mode of the list
$10,2,5,2,4,2,x$
are arranged in increasing order, they form a non-constant arithmetic progression. What is the sum of all possible real values of $x$?
$\text {(A)}\ 3 \qquad \text {(B)}\ 6 \qquad \text {(C)}\ 9 \qquad \text {(D)}\ 17 \qquad \text {(E)}\ 20$ | [
{
"docid": "math_train_algebra_2826",
"text": "The sum of 49 consecutive integers is $7^5$. What is their median?\nThe sum of a set of integers is the product of the mean of the integers and the number of integers, and the median of a set of consecutive integers is the same as the mean. So the median must b... | [] | [] |
aops_2023_AIME_II_Problems/Problem_9 | Circles $\omega_1$ and $\omega_2$ intersect at two points $P$ and $Q,$ and their common tangent line closer to $P$ intersects $\omega_1$ and $\omega_2$ at points $A$ and $B,$ respectively. The line parallel to $AB$ that passes through $P$ intersects $\omega_1$ and $\omega_2$ for the second time at points $X$ and $Y,$ r... | [
{
"docid": "aops_1971_Canadian_MO_Problems/Problem_1",
"text": "$DEB$ is a chord of a circle such that $DE=3$ and $EB=5 .$ Let $O$ be the center of the circle. Join $OE$ and extend $OE$ to cut the circle at $C.$ Given $EC=1,$ find the radius of the circle.\n\nFirst, extend $CO$ to meet the circle at $P.$ Le... | [] | [] |
aops_1971_Canadian_MO_Problems/Problem_1 | $DEB$ is a chord of a circle such that $DE=3$ and $EB=5 .$ Let $O$ be the center of the circle. Join $OE$ and extend $OE$ to cut the circle at $C.$ Given $EC=1,$ find the radius of the circle.
| [
{
"docid": "aops_2023_AIME_II_Problems/Problem_9",
"text": "Circles $\\omega_1$ and $\\omega_2$ intersect at two points $P$ and $Q,$ and their common tangent line closer to $P$ intersects $\\omega_1$ and $\\omega_2$ at points $A$ and $B,$ respectively. The line parallel to $AB$ that passes through $P$ inter... | [] | [] |
aops_2024_AIME_I_Problems/Problem_10 | Let $ABC$ be a triangle inscribed in circle $\omega$. Let the tangents to $\omega$ at $B$ and $C$ intersect at point $D$, and let $\overline{AD}$ intersect $\omega$ at $P$. If $AB=5$, $BC=9$, and $AC=10$, $AP$ can be written as the form $\frac{m}{n}$, where $m$ and $n$ are relatively prime integers. Find $m + n$. | [
{
"docid": "aops_2023_AIME_II_Problems/Problem_9",
"text": "Circles $\\omega_1$ and $\\omega_2$ intersect at two points $P$ and $Q,$ and their common tangent line closer to $P$ intersects $\\omega_1$ and $\\omega_2$ at points $A$ and $B,$ respectively. The line parallel to $AB$ that passes through $P$ inter... | [] | [] |
aops_2016_AIME_I_Problems/Problem_15 | Circles $\omega_1$ and $\omega_2$ intersect at points $X$ and $Y$. Line $\ell$ is tangent to $\omega_1$ and $\omega_2$ at $A$ and $B$, respectively, with line $AB$ closer to point $X$ than to $Y$. Circle $\omega$ passes through $A$ and $B$ intersecting $\omega_1$ again at $D \neq A$ and intersecting $\omega_2$ again at... | [
{
"docid": "aops_2023_AIME_II_Problems/Problem_9",
"text": "Circles $\\omega_1$ and $\\omega_2$ intersect at two points $P$ and $Q,$ and their common tangent line closer to $P$ intersects $\\omega_1$ and $\\omega_2$ at points $A$ and $B,$ respectively. The line parallel to $AB$ that passes through $P$ inter... | [] | [] |
aops_2022_AIME_I_Problems/Problem_11 | Let $ABCD$ be a parallelogram with $\angle BAD < 90^\circ.$ A circle tangent to sides $\overline{DA},$ $\overline{AB},$ and $\overline{BC}$ intersects diagonal $\overline{AC}$ at points $P$ and $Q$ with $AP < AQ,$ as shown. Suppose that $AP=3,$ $PQ=9,$ and $QC=16.$ Then the area of $ABCD$ can be expressed in the form $... | [
{
"docid": "aops_2023_AIME_II_Problems/Problem_9",
"text": "Circles $\\omega_1$ and $\\omega_2$ intersect at two points $P$ and $Q,$ and their common tangent line closer to $P$ intersects $\\omega_1$ and $\\omega_2$ at points $A$ and $B,$ respectively. The line parallel to $AB$ that passes through $P$ inter... | [] | [] |
aops_2016_AIME_II_Problems/Problem_10 | Triangle $ABC$ is inscribed in circle $\omega$. Points $P$ and $Q$ are on side $\overline{AB}$ with $AP<AQ$. Rays $CP$ and $CQ$ meet $\omega$ again at $S$ and $T$ (other than $C$), respectively. If $AP=4,PQ=3,QB=6,BT=5,$ and $AS=7$, then $ST=\frac{m}{n}$, where $m$ and $n$ are relatively prime positive integers. Find $... | [
{
"docid": "aops_2023_AIME_II_Problems/Problem_9",
"text": "Circles $\\omega_1$ and $\\omega_2$ intersect at two points $P$ and $Q,$ and their common tangent line closer to $P$ intersects $\\omega_1$ and $\\omega_2$ at points $A$ and $B,$ respectively. The line parallel to $AB$ that passes through $P$ inter... | [] | [] |
aops_2020_AIME_I_Problems/Problem_15 | Let $\triangle ABC$ be an acute triangle with circumcircle $\omega,$ and let $H$ be the intersection of the altitudes of $\triangle ABC.$ Suppose the tangent to the circumcircle of $\triangle HBC$ at $H$ intersects $\omega$ at points $X$ and $Y$ with $HA=3,HX=2,$ and $HY=6.$ The area of $\triangle ABC$ can be written i... | [
{
"docid": "aops_2023_AIME_II_Problems/Problem_9",
"text": "Circles $\\omega_1$ and $\\omega_2$ intersect at two points $P$ and $Q,$ and their common tangent line closer to $P$ intersects $\\omega_1$ and $\\omega_2$ at points $A$ and $B,$ respectively. The line parallel to $AB$ that passes through $P$ inter... | [] | [] |
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