text stringlengths 148 4.25k | __index_level_0__ int64 0 97.5k |
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<|im_start|>user
How many times digit 10 is used while writing numbers from 100 to 1000?
Answer Choices: (A) 100 (B) 90 (C) 85 (D) 110 (E) 120<|im_end|>
<|im_start|>assistant
<think>
</think>
in 100 to 300 there are 20 ten's
in 300 to 500 there are 20 ten's
in 500 to 700 there are 20 ten's
in 700 t0 900 there are 20 ... | 27,954 |
<|im_start|>user
1. Mrs. Ram got a weekly raise of $145. If he gets paid every other week, write an integer describing how the raise will affect her paycheck.
Answer Choices: (A) 145 (B) 245 (C) 100 (D) 150 (E) 345<|im_end|>
<|im_start|>assistant
<think>
</think>
Let the 1st paycheck be x (integer).
Mrs. Ram got a we... | 80,744 |
<|im_start|>user
A number, x is chosen at random from the set of positive integers less than 10. What is the probability that (8/x) > x?
Answer Choices: (A) 1/5 (B) 2/8 (C) 1/3 (D) 2/3 (E) 7/9<|im_end|>
<|im_start|>assistant
<think>
</think>
Number x has to be chosen from numbers 1-9
(8/x) > x
=> 8 > x^2
=>x^2 -... | 57,912 |
<|im_start|>user
If log 27 = 1.434, then the value of log 9 is:
Answer Choices: (A) 0.934 (B) 0.945 (C) 0.956 (D) 0.958 (E) 0.987<|im_end|>
<|im_start|>assistant
<think>
</think>
log 27 = 1.434
log (33 ) = 1.434
3 log 3 = 1.434
log 3 = 0.478
log 9 = log(32 ) = 2 log 3 = (2 x 0.478) = 0.956.
The answer is C<|endoftext... | 15,768 |
<|im_start|>user
A is twice as good a workman as B and they took 7 days together to do the work B alone can do it in.
Answer Choices: (A) 71 days (B) 55 days (C) 21 days (D) 77 days (E) 44 days<|im_end|>
<|im_start|>assistant
<think>
</think>
WC = 2:1
2x + x = 1/7
x = 1/21 => 21 days
The answer is C<|endoftext|> | 65,238 |
<|im_start|>user
What are the preserved remains of animals, plants, and other organisms called?
Answer choice: (A) skulls (B) rocks (C) basalt (D) fossils<|im_end|>
<|im_start|>assistant
<think>
</think>
Fossils are the preserved remains of animals, plants, and other organisms from the distant past. Examples of fossi... | 4,858 |
<|im_start|>user
An error 4% in excess is made while measuring the side of a square. What is the percentage of error in the calculated area of the square?
Answer Choices: (A) 4.05% (B) 4.02% (C) 8.16% (D) 3% (E) 2%<|im_end|>
<|im_start|>assistant
<think>
</think>
Percentage error in calculated area
=(4+4+(4×4)/100)%... | 43,185 |
<|im_start|>user
Two stations AA and BB are 110 km apart on a straight line. One train starts from AA at 7 am and travel towards BB at 20 km/hr speed. Another train starts from BB at 8 am and travel towards AA at 25 km/hr speed. At what time will they meet?
Answer Choices: (A) 9 am (B) 10 am (C) 11 am (D) 12 am (E) Non... | 28,407 |
<|im_start|>user
Sum of two numbers is 15. Two times of the first exceeds by 5 from the three times of the other. Then the numbers will be?
Answer Choices: (A) 5 (B) 9 (C) 11 (D) 13 (E) 15<|im_end|>
<|im_start|>assistant
<think>
</think>
Explanation:
x + y = 15
2x – 3y = 5
x = 10 y = 5
A)
The answer is A<|endoftext|> | 58,538 |
<|im_start|>user
A truck covers a distance of 392 km at a certain speed in 8 hours. How much time would a car take at an average speed which is 18 kmph more than that of the speed of the truck to cover a distance which is 70 km more than that travelled by the truck ?
Answer Choices: (A) 6 hours (B) 5 hours (C) 7 hours ... | 61,632 |
<|im_start|>user
How much water should be added to 15 liters of a 20%-solution of alcohol to reduce the concentration of alcohol in the solution by 75% ?
Answer Choices: (A) 25 liters (B) 27 liters (C) 30 liters (D) 32 liters (E) 35 liters<|im_end|>
<|im_start|>assistant
<think>
</think>
Let x ltr water to be added
2... | 69,087 |
<|im_start|>user
The greatest possible length which can be used to measure exactly the length 3m ,6m 85cm, 8m 95 cm is?
Answer Choices: (A) 25cm (B) 101cm (C) 5cm (D) 42cm (E) 35cm<|im_end|>
<|im_start|>assistant
<think>
</think>
Required length = H.C.F of 300cm, 685cm, 895cm = 5cm
The answer is C<|endoftext|> | 31,214 |
<|im_start|>user
A boat travels 40 km downstream in 8 hours and 36 km upstream in 12 hours. Find the speed of the boat in still water and the speed of the water current.
Answer Choices: (A) 8 km/hr, 1 km/hr (B) 5 km/hr, 4 km/hr (C) 1 km/hr, 6 km/hr (D) 2 km/hr, 1 km/hr (E) 4 km/hr, 1 km/hr<|im_end|>
<|im_start|>assista... | 97,062 |
<|im_start|>user
Suppose that fresh fruit contains 32% water and dry fruit contains 20% water. How much dry fruit can be obtained from 100kg of fresh fruit?
Answer Choices: (A) A) 32kg (B) B) 40kg (C) C) 52kg (D) D) 80kg (E) E) 85kg<|im_end|>
<|im_start|>assistant
<think>
</think>
Quantity of pulp in 100kg of fresh f... | 65,102 |
<|im_start|>user
The value of x + x(x^x) when x = 6 is
Answer Choices: (A) 279942 (B) 245872 (C) 434323 (D) 278879 (E) 342333<|im_end|>
<|im_start|>assistant
<think>
</think>
Solution:
x + x(x^x)
Put the value of x = 6 in the above expression we get,
6 + 6(6^6)
= 6 + 6(6 x 6 x 6 x 6 x 6 x 6)
= 6 + 6(46656)
= 6 + 2799... | 48,972 |
<|im_start|>user
The nervous system is made up of these?
Answer choice: (A) fibers (B) neurons (C) blood cells (D) muscles<|im_end|>
<|im_start|>assistant
<think>
</think>
Watch this video (http://openstaxcollege. org/l/vertebrate_evol) of biologist Mark Kirschner discussing the “flipping” phenomenon of vertebrate ev... | 2,630 |
<|im_start|>user
If x is divisible by 4 and 6, which of the following must divide evenly into x?
I. 2
II. 35
III. 70
Answer Choices: (A) I only (B) I and II (C) II and III (D) II only (E) I, II, and III<|im_end|>
<|im_start|>assistant
<think>
</think>
If x is divisible by 4,6 means it will be = or > 12, 24,48 etc..... | 41,448 |
<|im_start|>user
Use the following context to help answer a multiple choice question.
Context:
Mammals have hair or fur and feed their young milk.
Question:
Select the mammal.
Answer Choices: (A) western toad (B) coral snake (C) gray wolf (D) grass frog<|im_end|>
<|im_start|>assistant
<think>
</think>
A gray wolf i... | 2,321 |
<|im_start|>user
In a group of 100 cars, 37 cars do not have air conditioning. If at least 41 cars have racing stripes, what is the greatest number of cars that could have air conditioning but not racing stripes?
Answer Choices: (A) 45 (B) 47 (C) 59 (D) 51 (E) 53<|im_end|>
<|im_start|>assistant
<think>
</think>
Lets ... | 40,672 |
<|im_start|>user
How many 2 digits number are there which when subtracted from the number formed by reversing its digits as well as when added to the number formed by reversing its digit, result is a perfect square.
Answer Choices: (A) 63 (B) 64 (C) 65 (D) 66 (E) 67<|im_end|>
<|im_start|>assistant
<think>
</think>
If... | 87,099 |
<|im_start|>user
Use the following context to help answer a multiple choice question.
Context:
Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
A euphemism is a polite or indirect expression that is used to de-emphasize an unpleasant topic.... | 2,369 |
<|im_start|>user
Use the following context to help answer a multiple choice question.
Context:
A letter starts with a greeting and ends with a closing. For each one, capitalize the first word and end with a comma. You should also capitalize proper nouns, such as Aunt Sue.
Dear Aunt Sue,
I'm glad you could come to my p... | 5,673 |
<|im_start|>user
A trailer carries 3, 4 and 6 crates on a trip. Each crate weighs no less than 100 kg. What is the maximum weight of the crates on a single trip?
Answer Choices: (A) 100 (B) 625 (C) 600 (D) 7500 (E) 375<|im_end|>
<|im_start|>assistant
<think>
</think>
Max No. of crates=6.
Max Weight=100Kg
Max. weight ... | 44,923 |
<|im_start|>user
X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last?
Answer Choices: (A) 11 (B) 10 (C) 99 (D) 87 (E) 55<|im_end|>
<|im_start|>assistant
<think>
</think>
Work done by... | 24,399 |
<|im_start|>user
From 6 positive numbers and 6 negative numbers, how many groups of 4 numbers, yielding a positive product, can be formed?
Answer Choices: (A) 720 (B) 625 (C) 30 (D) 960 (E) 255<|im_end|>
<|im_start|>assistant
<think>
</think>
When will the product of 4 numbers be positive? It is positive when the num... | 29,357 |
<|im_start|>user
Find the area of a parallelogram with base 24 cm and height 16 cm.
Answer Choices: (A) 200 (B) 384 (C) 345 (D) 244 (E) 242<|im_end|>
<|im_start|>assistant
<think>
</think>
Area of a parallelogram = base * height = 24 * 16 = 384 cm2
The answer is B<|endoftext|> | 65,700 |
<|im_start|>user
How many seconds does a train 125 meters long, traveling at 72 km/h, take to completely cross a bridge of 205 meters in length?
Answer Choices: (A) 12.5 (B) 14.5 (C) 16.5 (D) 18.5 (E) 20.5<|im_end|>
<|im_start|>assistant
<think>
</think>
72 km/h = 72000/3600 = 20 m/s
Time = 330 / 20 = 16.5 seconds
Th... | 24,827 |
<|im_start|>user
What is the term for animals that have a backbone?
Answer choice: (A) vertebrates (B) carnivores (C) invertebrates (D) herbivores<|im_end|>
<|im_start|>assistant
<think>
</think>
The first eight phyla listed in Table above include only invertebrate animals. Invertebrates are animals that lack a verte... | 2,066 |
<|im_start|>user
Simplify (3^y + 3^y + 3^y) (3^y + 3^y + 3^y)
Answer Choices: (A) 4^4y * 3^3y (B) 9^y+1 (C) 16^y + 9^y (D) 12^y (E) 4^y * 12^y<|im_end|>
<|im_start|>assistant
<think>
</think>
B
(3^y + 3^y + 3^y) (3^y + 3^y + 3^y)
(3*3^y)(3*3^y)
9*9^y=9^(y+1)..
The answer is B<|endoftext|> | 80,494 |
<|im_start|>user
On flipping 3 coins together what is the outcomes for at least three TAILl?
Answer Choices: (A) 1/7 (B) 3/8 (C) 1/8 (D) 4/13 (E) 5/13<|im_end|>
<|im_start|>assistant
<think>
</think>
Sample space, S = {HHH, HHT, HTH, THH, TTH, THT, HTT, TTT}
Favorable outcomes for at least two heads
= favorable outco... | 93,861 |
<|im_start|>user
What system protects the body from worms, germs, and other agents of harm?
Answer choice: (A) digestion (B) hormones (C) immune (D) lymph system<|im_end|>
<|im_start|>assistant
<think>
</think>
The immune system protects the body from worms, germs, and other agents of harm. The immune system is like ... | 5,384 |
<|im_start|>user
The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is?
Answer Choices: (A) 288 (B) 277 (C) 245 (D) 266 (E) 261<|im_end|>
<|im_start|>assistant
<think>
</think>
Speed = [45 X 5/18] m/sec = [25/2] m/sec Time
= 30 sec Let the length of bridge be x... | 11,154 |
<|im_start|>user
What percent is 20% of 25%?
Answer Choices: (A) 20% (B) 30% (C) 50% (D) 60% (E) 80%<|im_end|>
<|im_start|>assistant
<think>
</think>
Required percentage = 20%/25% * 100 = 20/25 * 100 = 80%
The answer is E<|endoftext|> | 12,713 |
<|im_start|>user
The edges of a cuboid are 4 cm, 5 cm and 6 cm. Find the volume of the cuboid?
Answer Choices: (A) 120 (B) 278 (C) 378 (D) 368 (E) 367<|im_end|>
<|im_start|>assistant
<think>
</think>
4*5*6
= 120
The answer is A<|endoftext|> | 79,447 |
<|im_start|>user
A, B and C enter into partnership. A invests some money at the beginning, B invests double the amount after 6 months, and C invests thrice the amount after 8 months. If the annual gain be Rs.18600. A's share is?
Answer Choices: (A) 8876 (B) 2765 (C) 6000 (D) 6200 (E) 1261<|im_end|>
<|im_start|>assistan... | 70,930 |
<|im_start|>user
A merchant marks goods up by 60% and then offers a discount on the marked price. The profit that the merchant makes after offering the discount is 20%. What % discount did the merchant offer?
Answer Choices: (A) 20% (B) 25% (C) 30% (D) 35% (E) 40%<|im_end|>
<|im_start|>assistant
<think>
</think>
Let ... | 14,258 |
<|im_start|>user
A man can swim in still water at 9 km/h, but takes twice as long to swim upstream than downstream. The speed of the stream is?
Answer Choices: (A) 1.7 (B) 1.9 (C) 3 (D) 1.5 (E) 1.2<|im_end|>
<|im_start|>assistant
<think>
</think>
M = 9
S = x
DS = 9 + x
US = 9 - x
9 + x = (9 - x)2
9 + x = 18 -2x
3x = ... | 96,846 |
<|im_start|>user
21 ball numbered 1 to 21. A ballis drawn and then another ball is drawn without replacement.
Answer Choices: (A) 2/17 (B) 3/37 (C) 9/42 (D) 8/97 (E) 12/31<|im_end|>
<|im_start|>assistant
<think>
</think>
The probability that first toy shows the even number,
=1021=1021
Since, the toy is not replaced t... | 30,783 |
<|im_start|>user
What do you call a pattern of stars in the night sky?
Answer choice: (A) Solar Systems (B) constellation (C) planets (D) cluster<|im_end|>
<|im_start|>assistant
<think>
</think>
This is a constellation, a pattern of stars in the night sky. This constellation is called Orion. The features you can see ... | 1,663 |
<|im_start|>user
Rs.280 contained in a box consists of one rupee, 50 paisa and 25 paisa coins in the ratio 4:5:6. What is the number of 25 paisa coins?
Answer Choices: (A) 210 (B) 266 (C) 120 (D) 299 (E) 267<|im_end|>
<|im_start|>assistant
<think>
</think>
4x 5x 6x
100 50 25
400x + 250x + 150x = 28000
x = 35
6x = 210... | 75,075 |
<|im_start|>user
Siddharth wants to borrow Rs.7000 at rate of interest 6% p.a. at S.I and lend the same amount at C.I at same rate of interest for two years. What would be his income in the above transaction?
Answer Choices: (A) s.21.60 (B) s.21.68 (C) s.25.2 (D) s.21.98 (E) s.21.29<|im_end|>
<|im_start|>assistant
<thi... | 72,935 |
<|im_start|>user
At what time between 5 and 6 o' clock are the hands of a 3 minutes apart ?
Answer Choices: (A) 24 (B) 55 (C) 66 (D) 88 (E) 21<|im_end|>
<|im_start|>assistant
<think>
</think>
In this type of problems the formuae is
(5*x+ or - t)*12/11
Here x is replaced by the first interval of given time. Here x is ... | 95,779 |
<|im_start|>user
What are the two unique features of mollusks?
Answer choice: (A) antennae and pseudopod (B) pseudopod and mantle (C) mantle and radula (D) radula and antennae<|im_end|>
<|im_start|>assistant
<think>
</think>
Two unique features of mollusks are the mantle and radula (see Figure above ). The mantle is ... | 10,177 |
<|im_start|>user
Jordan and Morgan appeared at an examination. Jordan secured 9 marks more than Morgan and his marks was 56% of the sum of their marks. The marks obtained by them are:
Answer Choices: (A) 39,30 (B) 39,30 (C) 42,33 (D) 43,34 (E) None of these<|im_end|>
<|im_start|>assistant
<think>
</think>
Explanation... | 37,672 |
<|im_start|>user
The average age of 6 men increases by 2 years when two women are included in place of two men of ages 20 and 24 years. Find the average age of the women?
Answer Choices: (A) 24 (B) 25 (C) 26 (D) 27 (E) 28<|im_end|>
<|im_start|>assistant
<think>
</think>
20 + 24 + 6 * 2 = 56/2 = 28
The answer is E<|en... | 46,241 |
<|im_start|>user
In seven given numbers,the average of first four numbers is 4 and that of last four numbers is also 4. if the average of these seven numbers is 3, the fourth number is?
Answer Choices: (A) 3 (B) 4 (C) 7 (D) 11 (E) 12<|im_end|>
<|im_start|>assistant
<think>
</think>
let 7 numbers are a,b,c,d,e,f,g.
gi... | 88,632 |
<|im_start|>user
A train 1600 m long can cross a pole in 40 sec and then find the speed of the train?
Answer Choices: (A) 140 (B) 142 (C) 144 (D) 146 (E) 148<|im_end|>
<|im_start|>assistant
<think>
</think>
Length = Speed * time
Speed = L/T
S = 1600/40
S = 40 M/Sec
Speed= 40*18/5 (To convert M/Sec in to Kmph multiply... | 1,371 |
<|im_start|>user
Rahul went to a shop and bought things worth Rs. 25, out of which 30 Paise went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free items?
Answer Choices: (A) 19.7 (B) 20 (C) 23 (D) 25 (E) 27<|im_end|>
<|im_start|>assistant
<think>
</think>
Total cost of ... | 80,163 |
<|im_start|>user
Which of the following is equal to the cube of a non-integer?
Answer Choices: (A) –64 (B) –1 (C) 8 (D) 9 (E) 27<|im_end|>
<|im_start|>assistant
<think>
</think>
All except 9 is cube of non integer as it is square of 3.
A. –64 = -4*-4*-4-- OUT
B. –1 = -1*-1*-1 -- OUT
C. 8 = 2*2*2 -- OUT
D. 9 -- Left O... | 14,694 |
<|im_start|>user
Avinash covers a distance of 8km in 50 minutes. If he covers 3km distance in 2/5th of time then, What speed should he maintain to cover the remaining distance in the remaining time?
Answer Choices: (A) 10 (B) 12 (C) 15 (D) 20 (E) 25<|im_end|>
<|im_start|>assistant
<think>
</think>
Total distance = 8 ... | 21,073 |
<|im_start|>user
What is 35% of 4/13 of 715?
Answer Choices: (A) 44 (B) 55 (C) 66 (D) 77 (E) 88<|im_end|>
<|im_start|>assistant
<think>
</think>
This problem can be solved easily if we just use approximation: 35% is a little over 1/3, while 4/13 is a little less than 4/12, which is 1/3. Thus, the answer is about 1/3 ... | 84,986 |
<|im_start|>user
10 men do a work in 10days. How many men are needed to finish the work in 2days?
Answer Choices: (A) 50 (B) 20 (C) 30 (D) 10 (E) 15<|im_end|>
<|im_start|>assistant
<think>
</think>
men required to finish the work in 2days = 10*10/2 = 50
The answer is A<|endoftext|> | 36,325 |
<|im_start|>user
60% of a number is added to 150, the result is the same number. Find the number?
Answer Choices: (A) 375 (B) 277 (C) 266 (D) 99 (E) 121<|im_end|>
<|im_start|>assistant
<think>
</think>
:
(60/100) * X + 150 = X
2X = 750
X = 375
The answer is A<|endoftext|> | 27,243 |
<|im_start|>user
The distance between two planets is 3.02 × 10^6 light years. What is the distance between the two planets, in parsecs? (1 parsec = 3.26 light years)
Answer Choices: (A) 9.3 × 10^5 (B) 9.9 × 10^6 (C) 9.3 × 10^7 (D) 9.9 × 10^7 (E) 10.1 × 10^8<|im_end|>
<|im_start|>assistant
<think>
</think>
3.02*1... | 69,165 |
<|im_start|>user
Mary decided to save a certain amount of her monthly salary each month and her salary was unchanged from month to month. If Mary's savings by the end of the year from these monthly savings were TWO times the amount she spent per month, what should be the fraction of her salary that she spent each month... | 51,988 |
<|im_start|>user
A, B and C rent a pasture. A puts 10 oxen for 7 months, B puts 12 oxen for 5 months and C puts 15 oxen for 3 months for grazing. If the rent of the pasture is Rs. 280, how much must C pay as his share of rent?
Answer Choices: (A) 45 (B) 50 (C) 55 (D) 65 (E) none<|im_end|>
<|im_start|>assistant
<think>
... | 55,017 |
<|im_start|>user
A security guard at a certain store is instructed to check the receipt of one out of every five customers as they are leaving the store. If, on the guard's shift, 15 customers leave the store, how many different samples of customers could have been selected to have their receipts checked?
Answer Choice... | 22,702 |
<|im_start|>user
shopkeeper sells 20% of his stock at 10% profit ans sells the remaining at a loss of 5%. He incurred an overall loss of Rs. 400. Find the total worth of the stock?
Answer Choices: (A) Rs. 25000 (B) Rs. 20000 (C) Rs. 15000 (D) Rs. 22000 (E) None of these<|im_end|>
<|im_start|>assistant
<think>
</think>... | 91,541 |
<|im_start|>user
A salesman commission is 5% on all sales upto $10000 and 4% on all sales exceeding this. He remits $31100 to his parent company after deducting his commission. Find the total sales?
Answer Choices: (A) $30000 (B) $32500 (C) $35120 (D) $41520 (E) $25460<|im_end|>
<|im_start|>assistant
<think>
</think>
... | 53,320 |
<|im_start|>user
Two trains, each 100 m long, moving in opposite directions, cross other in 8 sec. If one is moving twice as fast the other, then the speed of the faster train is?
Answer Choices: (A) 22 (B) 98 (C) 60 (D) 88 (E) 12<|im_end|>
<|im_start|>assistant
<think>
</think>
Let the speed of the slower train be x... | 58,113 |
<|im_start|>user
The area of a square field is 28808 sq m. How long will a lady take to cross the field diagonally at the rate of 7.2 km/hr?
Answer Choices: (A) 2.5 min (B) 3 min (C) 2 min (D) 4 min (E) 4.5 min<|im_end|>
<|im_start|>assistant
<think>
</think>
Area of a square field = 28808 sq m
Let the side of square... | 27,901 |
<|im_start|>user
What diagram is used to reflect evolutionary relationships among organisms or groups of organisms?
Answer choice: (A) relationships tree (B) phylogenetic tree (C) conceptual tree (D) biodiversity tree<|im_end|>
<|im_start|>assistant
<think>
</think>
Classification and Phylogeny Scientists use a tool ... | 11,363 |
<|im_start|>user
A thief is noticed by a policeman from a distance of 500 m. The thief starts running and the policeman chases him. The thief and the policeman run at the rate of 10 km and 12 km per hour respectively. What is the distance between them after 6 minutes?
Answer Choices: (A) 150 m (B) 200 m (C) 300 m (D) 1... | 92,486 |
<|im_start|>user
The product of the squares of two positive integers is 81. How many pairs of positive integers satisfy this condition?
Answer Choices: (A) 0 (B) 1 (C) 2 (D) 3 (E) 4<|im_end|>
<|im_start|>assistant
<think>
</think>
Ans: C - 2 pairs
(xˆ2)(yˆ2) = 81 [square root both sides]
xy = 9
9 = 1x9, 9x1, 3x3
Canc... | 40,731 |
<|im_start|>user
What will come in place of the x in the following Number series? 6, 12, 21, 33 , 48 , 66 , 87, x
Answer Choices: (A) 33 (B) 35 (C) 39 (D) 111 (E) 42<|im_end|>
<|im_start|>assistant
<think>
</think>
The pattern is + 6, + 9, + 12, +15 + 18 +21 + 24 ………..
So the missing term is = 87 + 24 = 111
The... | 77,773 |
<|im_start|>user
Many cancers, as well as autism, are thought to have what component, which is certainly a factor in asthma?
Answer choice: (A) environmental (B) emotional (C) critical (D) ecological<|im_end|>
<|im_start|>assistant
<think>
</think>
Does everyone who smokes develop lung cancer? No, of course not. Is i... | 2,832 |
<|im_start|>user
A is a working partner and B is a sleeping partner in the business. A puts in Rs.5000 and B Rs.1000, A receives 10% of the profit for managing the business the rest being divided in proportion of their capitals. Out of a total profit of Rs.9600, money received by A is?
Answer Choices: (A) 1978 (B) 2707... | 82,788 |
<|im_start|>user
In vascular plants, the sporophyte generation is what?
Answer choice: (A) dominant (B) submissive (C) evident (D) fast<|im_end|>
<|im_start|>assistant
<think>
</think>
In vascular plants, the sporophyte generation is dominant. In seedless vascular plants such as ferns, the sporophyte releases spores ... | 5,457 |
<|im_start|>user
The actual area of a rectangle is 60 Cm2, but while measuring its length a student decreases it by 20% and the breadth increases by 25%. The percentage error in area, calculated by the student is :
Answer Choices: (A) 5% (B) 15% (C) 20% (D) No change (E) None of these<|im_end|>
<|im_start|>assistant
<t... | 84,137 |
<|im_start|>user
What system is the brain the control center of?
Answer choice: (A) adrenal (B) fibrous (C) circulatory (D) nervous<|im_end|>
<|im_start|>assistant
<think>
</think>
The brain is the control center of the nervous system. It controls virtually all mental and physical processes.
The answer is D<|endoftex... | 7,407 |
<|im_start|>user
The duodenum, the jejunum, and the ileum are the main regions of which organ?
Answer choice: (A) lungs (B) large intestine (C) small intestine (D) heart<|im_end|>
<|im_start|>assistant
<think>
</think>
23.5 The Small and Large Intestines The three main regions of the small intestine are the duodenum,... | 1,345 |
<|im_start|>user
It takes 3 workers a total of 12 hours to build a giant machine with each worker working at the same rate. If 4 workers start to build the machine at 11:00 AM, and one extra worker per hour is added beginning at 3:00 PM, at what time will the machine be complete?
Answer Choices: (A) 5:30 (B) 5:45 (C) 6... | 8,738 |
<|im_start|>user
What do you call large, y-shaped proteins that recognize and bind to antigens?
Answer choice: (A) proteins (B) membranes (C) parasites (D) antibodies<|im_end|>
<|im_start|>assistant
<think>
</think>
Plasma cells are activated B cells that secrete antibodies. Antibodies are large, Y-shaped proteins th... | 5,397 |
<|im_start|>user
The sum of digits of a two digit number is 8,The difference between the digits is 6. Find the number
Answer Choices: (A) 85 (B) 94 (C) 83 (D) 71 (E) None<|im_end|>
<|im_start|>assistant
<think>
</think>
Description :
=> x+y=8, x-y=6
Adding these 2x =14
=> x=7, y=1.
Thus the number is 71
The answer is... | 35,011 |
<|im_start|>user
P can lay railway track between two stations in 16 days. Q can do the same job in 12 days. With the help of R, they completes the job in 4 days. How much days does it take for R alone to complete the work?
Answer Choices: (A) 9(3/5) days (B) 9(1/5) days (C) 9(2/5) days (D) 10 days (E) 15 days<|im_en... | 17,854 |
<|im_start|>user
20 litres of mixture of acid and water contain 10% water. How much water should be added so that percentage of water becomes 20% in this mixture?
Answer Choices: (A) 2 L (B) 3 L (C) 2.5 L (D) 4 L (E) 5 L<|im_end|>
<|im_start|>assistant
<think>
</think>
total mixture =20ltr
water contain = 10% of 20lt... | 84,666 |
<|im_start|>user
Let us say that a table tennis tournament was going on with knock out terms which means the one who loses the match is out of the tournament. 55 players took part in that tournament. How many matches were played?
Answer Choices: (A) 90 matches (B) 95 matches (C) 99 matches (D) 85 matches (E) 87 matches... | 83,928 |
<|im_start|>user
The area of a square field 3136 sq m, if the length of cost of drawing barbed wire 3 m around the field at the rate of Rs.3.50 per meter. Two gates of 1 m width each are to be left for entrance. What is the total cost?
Answer Choices: (A) s.1014 (B) s.1140 (C) s.999 (D) s.1085 (E) s.2331<|im_end|>
<|im... | 84,671 |
<|im_start|>user
The compound interest earned by Sunil on a certain amount at the end of two years at the rate of 8% p.a. was Rs.2828.80. Find the total amount that Sunil got back at the end of two years in the form of principal plus interest earned?
Answer Choices: (A) 19828.29 (B) 19828.2 (C) 19828.8 (D) 19828.88 (E)... | 91,562 |
<|im_start|>user
If f(y)=y^2 and y is a positive integer, which of the following CANNOT be the value of f(f(y))?
Answer Choices: (A) 625 (B) 1296 (C) 256 (D) 350 (E) 16<|im_end|>
<|im_start|>assistant
<think>
</think>
f(y)=y^2
f(f(y)) = (y^2)^2 = y^4
Therefore f(f(y)) will be numbers that are 4th power of other numbe... | 67,694 |
<|im_start|>user
P and Q can complete a work in 20 days and 12 days respectively. P alone started the work and Q joined him after 4 days till the completion of the work. How long did the work last?
Answer Choices: (A) 5 days (B) 10 days (C) 14 days (D) 22 days (E) 26 days<|im_end|>
<|im_start|>assistant
<think>
</thin... | 75,322 |
<|im_start|>user
15 beavers, working together in a constant pace, can build a dam in 4 hours. How many hours will it take 20 beavers that work at the same pace, to build the same dam?
Answer Choices: (A) 2. (B) 4. (C) 5. (D) 6 (E) 3.<|im_end|>
<|im_start|>assistant
<think>
</think>
Total Work = 15*4 = 60 Beaver hours... | 74,510 |
<|im_start|>user
In how many different ways can the letters of the word "AIM" be rearrangement?
Answer Choices: (A) 4 (B) 2 (C) 7 (D) 9 (E) 6<|im_end|>
<|im_start|>assistant
<think>
</think>
Option 'E'
The total number of arrangements is
3P3 = 3! = 6
The answer is E<|endoftext|> | 4,755 |
<|im_start|>user
In many species, display behaviors, like a gorilla beating on its chest, are used instead of actual physical attacks to show what?
Answer choice: (A) dominance (B) friction (C) stress (D) aggression<|im_end|>
<|im_start|>assistant
<think>
</think>
In many species, display behaviors—rather than actual... | 7,657 |
<|im_start|>user
Two trains are running in opposite directions with the same speed. If the length of each train is 120 m and they cross each other in 12 sec, then the speed of each train is?
Answer Choices: (A) 22 (B) 88 (C) 36 (D) 77 (E) 81<|im_end|>
<|im_start|>assistant
<think>
</think>
Let the speed of each train... | 38,985 |
<|im_start|>user
A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 42, the how old is B?
Answer Choices: (A) 16 (B) 9 (C) 8 (D) 11 (E) 10<|im_end|>
<|im_start|>assistant
<think>
</think>
Explanation:
Let C's age be x years. Then, B's age = 2x years. A's age = (2x + 2) yea... | 20,437 |
<|im_start|>user
What is the difference between the place value of 2 in the numeral 7229?
Answer Choices: (A) 150 (B) 160 (C) 180 (D) 190 (E) 200<|im_end|>
<|im_start|>assistant
<think>
</think>
Option 'C'
200 - 20 = 180
The answer is C<|endoftext|> | 3,366 |
<|im_start|>user
A rectangular photograph is surrounded by a border that is 3 inch wide on each side. The total area of the photograph and the border is M square inches. If the border had been 6 inches wide on each side, the total area would have been (M + 178) square inches. What is the perimeter of the photograph, in... | 27,112 |
<|im_start|>user
A can do a piece of work in 12 days. When he had worked for 2 days B joins him. If the complete work was finished in 8 days. In how many days B alone can finish the work?
Answer Choices: (A) 18 (B) 77 (C) 66 (D) 55 (E) 12<|im_end|>
<|im_start|>assistant
<think>
</think>
8/12 + 6/x = 1
X = 18 days
The... | 61,419 |
<|im_start|>user
The difference between compound and simple interest on a certain sum of money for 3 years at 6 2/3% p.a is Rs.184. Find the sum?
Answer Choices: (A) 13518 (B) 13519 (C) 13527 (D) 13500 (E) 13521<|im_end|>
<|im_start|>assistant
<think>
</think>
P = (184*106) / [6 2/3 * 6 2/3 *(300*6 2/3)]
P = 13500
Th... | 91,400 |
<|im_start|>user
When a predator kills and eats its prey, what sort of predation is this referred to as?
Answer choice: (A) false (B) true (C) just (D) predestined<|im_end|>
<|im_start|>assistant
<think>
</think>
True predation is when a predator kills and eats its prey. Some predators of this type, such as jaguars, ... | 381 |
<|im_start|>user
33 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?
Answer Choices: (A) 10 (B) 11 (C) 13 (D) 18 (E) 19<|im_end|>
<|im_start|>assistant
<think>
</think>
Let the required number of days be x.
Less persons, More days... | 28,246 |
<|im_start|>user
The slant height of a right circular cone is 10 m and its height is 8 m. Find the area of its curved surface.
Answer Choices: (A) 30 pi m^2 (B) 40 pi m^2 (C) 60 pi m^2 (D) 80 pi m^2 (E) 100 pi m^2<|im_end|>
<|im_start|>assistant
<think>
</think>
l = 10 m
h = 8 m
r = root(i^2-h^2) = root(10^2 - 8^2) =... | 32,408 |
<|im_start|>user
What are biological catalysts that speeds up biochemical reactions?
Answer choice: (A) carbohydrates (B) enzymes (C) hormones (D) proteins<|im_end|>
<|im_start|>assistant
<think>
</think>
This super fast train can obviously reach great speeds. And there's a lot of technology that helps this train go ... | 10,155 |
<|im_start|>user
Similarity in biochemicals, like the glucose used by virtually all living things for energy, provides evidence of what?
Answer choice: (A) evolution (B) gravity (C) variation (D) DNA<|im_end|>
<|im_start|>assistant
<think>
</think>
Virtually all living things use glucose for energy, but glucose is ju... | 4,661 |
<|im_start|>user
If |5x-10| = 100, then find the sum of the values of x?
Answer Choices: (A) 1 (B) -2 (C) 3 (D) -3 (E) 4<|im_end|>
<|im_start|>assistant
<think>
</think>
|5x-10| = 100
5x-10 = 100 or 5x-10 = -100
5x = 110 or 5x = -90
x = 22 or x = -18
sum = 21-18 = 3
The answer is C<|endoftext|> | 76,282 |
<|im_start|>user
Jim and Renee will play one game of Rock, Paper, Scissors. In this game, each will select and show a hand sign for one of the three items. Rock beats Scissors, Scissors beat Paper, and Paper beats Rock. Assuming that both Jim and Renee have an equal chance of choosing any one of the hand signs, what is... | 32,584 |
<|im_start|>user
In a fuel station the service costs $2.30 per vehicle and every liter of fuel costs $0.70. Assuming that you fill up 4 mini-vans and 2 trucks, what will be the total cost, if a mini-van's tank is 65 liters and a truck's tank is 120% bigger and they are all empty?
Answer Choices: (A) $396 (B) $400 (C) $... | 82,680 |
<|im_start|>user
A train met with an accident 40km away from station A. It completed the remaining journey at 5/6th of the original speed and reached station B 1hr 12mins late. Had the accident taken place 60km further, it would have been only 1hr late. what was the original speed of the train?
Answer Choices: (A) 40 k... | 54,295 |
<|im_start|>user
Souju's age is 1/4th of her father's age. Souju's father's age will be twice Tharak's age after
10 years. If Tharak's eight birthdays was celebrated two years before, then what is Souju's present age.
Answer Choices: (A) 6.5 (B) 7.5 (C) 8.5 (D) 8 (E) 9<|im_end|>
<|im_start|>assistant
<think>
</think>
... | 40,025 |
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