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7 values
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4 values
math_qa
mathqa_03_00706
hcf and lcm two numbers are 12 and 396 respectively . if one of the numbers is 48 , then the other number is ?
[ "99", "66", "132", "264" ]
A
ARC-Easy
arc_04_01883
Which human organ system exchanges gases with the environment?
[ "endocrine", "circulatory", "respiratory", "integumentary" ]
C
openbookqa
obqa_02_00366
if a student needs to travel with their lunch for long distances, which of these would have the freshest meal?
[ "a student with freshly cooked food", "a student with food containing preservatives", "raw uncooked fish meal", "a student with uncooked beef" ]
B
ARC-Easy
arc_04_01461
A student has a ball of clay that sinks when placed in a pan of water. Which property should he change to make the clay float?
[ "color", "texture", "mass", "shape" ]
D
math_qa
mathqa_03_03880
a certain bag contains 100 balls — 50 white , 30 green , 10 yellow , 7 red , and 3 purple . if a ball is to be chosen at random , what is the probability that the ball will be neither red nor purple ?
[ "0.9", "0.75", "0.6", "0.8" ]
A
math_qa
mathqa_03_05086
mark and ann together were allocated n boxes of cookies to sell for a club project . mark sold 9 boxes less than n and ann sold 2 boxes less than n . if mark and ann have each sold at least one box of cookies , but together they have sold less than n boxes , what is the value of n ?
[ "9", "10", "11", "12" ]
B
math_qa
mathqa_03_00747
$ 200 is divided amongst a , b and c so that a may get 2 / 3 as much as b and c together , b may get 6 / 9 as much as a and c together , then the share of a is
[ "$ 80", "$ 50", "$ 25", "$ 200" ]
A
openbookqa
obqa_02_00886
As water gets warmer
[ "it can cause hypothermia", "it will stick to metal surfaces", "it can freeze solids", "it can turn ice into a puddle faster" ]
D
sciq
sciq_01_09500
Valence electrons also determine how well—if at all—the atoms of an element conduct what?
[ "electricity", "light", "pollution", "water" ]
A
openbookqa
obqa_02_02754
A ship navigates with a magnetic compass because it is
[ "predictable", "unpredictable", "waterproof", "tradition" ]
A
sciq
sciq_01_08781
Plant viruses can seriously disrupt crop growth and development, significantly affecting our what?
[ "harvest supply", "air supply", "fuel supply", "food supply" ]
D
openbookqa
obqa_02_03984
Coal might start out as
[ "a mean fairy-godmother", "pinecones", "happiness", "a troll" ]
B
sciq
sciq_01_07876
Chromosomes further condensed in which stage?
[ "tracheophyte stage", "zygum stage", "diakinesis stage", "zooflagellate stage" ]
C
sciq
sciq_01_08217
Fractures and faults are terms you hear when talking about?
[ "volcanoes", "earthquakes", "storms", "magnets" ]
B
openbookqa
obqa_02_01271
Electricity is able to flow through a circuit after it is...?
[ "Steady", "fully complete", "Turned on", "Charged" ]
B
openbookqa
obqa_02_00822
A field is experiencing above average rainfall and food is plentiful, so the rabbits living there will
[ "produce larger litters", "find new land", "die much younger", "eat less food" ]
A
openbookqa
obqa_02_02709
A way to conserve something is to
[ "use it up", "use it sparsely", "use it quickly", "finish it off" ]
B
sciq
sciq_01_10005
Which action of the stomach helps chemical digestion by gastric juice?
[ "chewing", "contraction", "churning action", "peristalsis" ]
C
openbookqa
obqa_02_02627
In the food chain process a cattail has the role of
[ "decomposer", "consumer", "producer", "trader" ]
C
sciq
sciq_01_02508
What makes monotremes different than other mammals?
[ "they lay eggs", "they spawn", "they reproduce asexually", "they lack backbones" ]
A
sciq
sciq_01_03792
Which enzyme is used in step three of the polymerase chain reaction because of it's ability to withstand high temperatures?
[ "backronym polymerase", "carbon polumerase", "taq polymerase", "minocycline polymerase" ]
C
sciq
sciq_01_00823
What is the study of matter and the changes that material substances undergo.
[ "biology", "chemistry", "physiology", "geology" ]
B
math_qa
mathqa_03_00780
a profit of rs . 500 is divided between x and y in the ratio of 1 / 2 : 1 / 3 . what is the difference between their profit shares ?
[ "rs . 200", "rs . 100", "rs . 300", "rs . 50" ]
B
ARC-Easy
arc_04_01304
A condition in bees called "colony collapse disorder" occurs when worker bees leave the hive to collect nectar and never return. How would a decline in the bee population most likely affect a farm ecosystem?
[ "There would be a decrease in soil thickness.", "There would be a decline in fruit production.", "There would be an increase in plant diseases.", "There would be an increase in insect pest populations." ]
B
math_qa
mathqa_03_03348
in how many years rs 200 will produce the same interest at 10 % as rs . 400 produce in 5 years at 12 %
[ "16", "13", "12", "14" ]
C
openbookqa
obqa_02_02248
An omnivore, such as a bear, will have many animals that are
[ "cuddling with it", "hungry for it", "consuming it", "fearful of it" ]
D
sciq
sciq_01_06304
What scientist and monk is best known for his experiments with pea plants?
[ "steiner mendel", "gregor mendel", "aristotle", "charles darwin" ]
B
math_qa
mathqa_03_05455
tanks c and b are each in the shape of a right circular cylinder . the interior of tank c has a height of 10 meters and a circumference of 8 meters , and the interior of tank b has a height of 8 meters and a circumference of 10 meters . the capacity of tank c is what percent of the capacity of tank b ?
[ "75 %'", "80 %'", "100 %'", "120 %'" ]
B
math_qa
mathqa_03_00613
for any positive integer n , the sum of the first n positive integers equals n ( n + 1 ) / 2 . what is the sum of all the even integers between 99 and 201 ?
[ "7650", "9250", "12,650", "14,250" ]
A
math_qa
mathqa_03_04893
a train travelled from point a to point b at 160 km / h . on its way back the train travelled at 120 km / h and therefore the trip back lasted one hour longer . what is the distance ( in km ) between a and b ?
[ "480 .", "500 .", "510 .", "600 ." ]
A
ARC-Easy
arc_04_00224
A student wants to design an experiment regarding the behavior of crickets. Which is the best question to ask to begin the experiment?
[ "Do crickets have 6 legs or 8 legs?", "How long are the antennae of a cricket?", "Do crickets chirp more during the day or at night?", "What is the most common cricket species?" ]
C
ARC-Challenge
arc_04_02295
A doorbell contains a simple electromagnet. Which change would most likely increase the strength of an electromagnet?
[ "longer wires", "fewer wire coils", "an aluminum core", "a larger power source" ]
D
sciq
sciq_01_08053
Constriction and dilation allow the circulatory system to change the amount of blood flowing to which body parts?
[ "arteries", "organs", "tissues", "muscles" ]
B
math_qa
mathqa_03_01642
in an intercollegiate competition that lasted for 3 days , 115 students took part on day 1 , 80 on day 2 and 100 on day 3 . if 50 took part on day 1 and day 2 and 70 took part on day 2 and day 3 and 40 took part on all three days , how many students took part only on day 3 ?
[ "20", "35", "40", "55" ]
A
openbookqa
obqa_02_02393
A cloud that begins to precipitate onto the ground is
[ "fluttering", "laughing", "crowing", "leaking" ]
D
sciq
sciq_01_11581
What is the network of fibers that organizes structures and activities in the cell called?
[ "DNA", "enzymes", "cytoskeleton", "cytoplasm" ]
C
sciq
sciq_01_09989
What adds phosphate groups to receptor proteins at the surface of the cell?
[ "brain kinases", "receptor kinases", "nitrogen kinases", "protein kinases" ]
B
ARC-Easy
arc_04_01255
The human body processes and eliminates food waste using the organs of the excretory system. Which organelle performs a similar function in humans at the cellular level?
[ "mitochondrion", "endoplasmic reticulum", "lysosome", "Golgi complex" ]
C
math_qa
mathqa_03_02522
two trains are moving in opposite directions with speed of 110 km / hr and 90 km / hr respectively . their lengths are 1.10 km and 0.9 km respectively . the slower train cross the faster train in - - - seconds
[ "26", "48", "47", "36" ]
D
ARC-Easy
arc_04_00570
Which of these provides the best evidence that the distribution of Earth's oceans has changed over time?
[ "hot spots on ocean floors", "seismic activity along plate boundaries", "sediment buildup on continental slope", "marine fossils found on land masses" ]
D
sciq
sciq_01_07658
What are the two types of vascular tissue?
[ "ectoderm and phloem", "xylem and phloem", "cytoplasm and ectoplasm", "phloem and phlegm" ]
B
sciq
sciq_01_08049
What is produced when an egg is fertilized by a sperm in a fallopian tube?
[ "zygote", "ovaries", "uterus", "fetus" ]
A
openbookqa
obqa_02_02194
Which vehicle would make less pollution?
[ "semi truck", "Tesla Model S", "Ford Explorer", "Toyota Tundra" ]
B
math_qa
mathqa_03_01876
the h . c . f . of two numbers is 12 and their l . c . m . is 520 . if one of the numbers is 480 , then the other is :
[ "13", "18", "21", "24" ]
A
sciq
sciq_01_10918
What can be looked at to see a record of how horses evolved?
[ "erosion records", "carbon dating", "fossil records", "pattern records" ]
C
sciq
sciq_01_08341
Nucleic acids are polymers made of monomers called what?
[ "carotenoids", "nucleotides", "loops", "peptides" ]
B
ARC-Easy
arc_04_00497
Yumiko gave some reasons why kettles and kitchen pans are often made of copper. Which reason is correct?
[ "Copper is a good conductor of heat.", "Copper is easy to melt.", "Copper is difficult to shape.", "Copper dissolves in hot water." ]
A
sciq
sciq_01_10490
What happens to volume as the temperature increases?
[ "volume is unchanged", "volume fluctuates", "volume increases", "volume decreases" ]
C
openbookqa
obqa_02_00856
How many seasons occur in the span of three years
[ "ten", "twelve", "eight", "four" ]
B
openbookqa
obqa_02_02828
A pollution source in a county may be
[ "compost pile", "grass seeds", "recycling center", "trash heap" ]
D
sciq
sciq_01_07983
What do light emitters do to what you see?
[ "divide frequencies", "subtract frequencies", "add frequencies", "block frequencies" ]
C
sciq
sciq_01_02319
What occurs when the pancreas doesn’t make enough insulin or else the body’s cells are resistant to the effects of insulin?
[ "hepatitis", "diabetes", "colitis", "anemia" ]
B
sciq
sciq_01_04705
The other ammonium ions are changed into nitrogen gas by what?
[ "denitrifying bacteria", "accompanying bacteria", "fluctuations bacteria", "fungi" ]
A
sciq
sciq_01_08104
What external feature in human beings is responsible for balance?
[ "ears", "brain", "hands", "tails" ]
A
math_qa
mathqa_03_05979
how many positive integers less than 30 have no common prime factor with 30 ?
[ "5", "6", "7", "8" ]
D
openbookqa
obqa_02_00744
When it's summer in the USA it's winter
[ "in the southern hemisphere", "in the northern hemisphere", "in the western hemisphere", "in the eastern hemisphere" ]
A
math_qa
mathqa_03_03763
what is the greatest integer m for which the number 20 ! / 10 ^ m is an integer ?
[ "3", "4", "5", "6" ]
B
openbookqa
obqa_02_03991
A bobsled moves much faster as it leaves the concrete an touches the
[ "sand", "grass", "sun", "ice" ]
D
openbookqa
obqa_02_00497
Which organism uses xylem for materials transport?
[ "saguaro cactus", "liverwort", "green algae", "sphagnum moss" ]
A
sciq
sciq_01_03813
What type of rock contains concentrations of valuable minerals?
[ "metamorphic", "ores", "igneous", "sedimentary" ]
B
openbookqa
obqa_02_04919
Cactus store their liquids in their
[ "flowers", "lockers", "super market", "trunks" ]
D
openbookqa
obqa_02_01231
An animal usually requires a warm body temperature for survival, such as
[ "a bird in a tree", "a snake in a desert", "a fox in the snow", "a shark in the water" ]
C
ARC-Challenge
arc_04_02779
A student riding a bicycle observes that it moves faster on a smooth road than on a rough road. This happens because the smooth road has
[ "less gravity", "more gravity", "less friction", "more friction" ]
C
math_qa
mathqa_03_05787
the manufacturing cost of a shoe is rs . 230 and the transportation lost is rs . 500 for 100 shoes . what will be the selling price if it is sold at 20 % gains
[ "s 282", "s 216", "s 220", "s 210" ]
A
sciq
sciq_01_01966
What type of structures evolved to do the same job by unrelated organisms?
[ "dioxide structures", "analogous structures", "primal structures", "symmetrical structures" ]
B
sciq
sciq_01_05454
Biochemical reactions are optimal at physiological temperatures because many what lose function at lower and higher temperatures?
[ "hormones", "carbohydrates", "enzymes", "neurons" ]
C
sciq
sciq_01_10697
Ice floats because it is less what than liquid water?
[ "gaseous", "dense", "heavy", "warm" ]
B
sciq
sciq_01_08171
What zone is outside the radiative zone?
[ "activation zone", "convection zone", "peripheral zone", "diffusion zone" ]
B
math_qa
mathqa_03_05062
a man can do a piece of work in 5 days , but with the help of his son , he can do it in 3 days . in what time can the son do it alone ?
[ "13 / 2", "7", "15 / 2", "8" ]
C
sciq
sciq_01_05524
Two species that share what cannot coexist in a community?
[ "same niche", "color", "language", "mood" ]
A
math_qa
mathqa_03_00265
a bag consists of 20 marbles , of which 6 are blue , 9 are red , and the remainder are white . if lisa is to select a marble from the bag at random , what is the probability that the marble will be red or white ?
[ "7 / 10", "2 / 4", "1 / 4", "1 / 8" ]
A
ARC-Challenge
arc_04_02218
An old T-shirt can be ripped into smaller pieces and used as rags. An empty milk jug can be used to water houseplants. Both of these are examples of how
[ "saving water conserves future resources", "using old materials can waste money", "plants need water to be healthy", "everyday materials can be reused" ]
D
math_qa
mathqa_03_04174
the least number , which when divided by 48,60 , 72,108 and 140 leaves 38,50 , 62,98 and 130 as remainder respectively , is :
[ "11115", "15110", "15120", "15210" ]
B
sciq
sciq_01_09168
What is the color of mercury(ii) oxide?
[ "blue", "green", "copper", "red" ]
D
math_qa
mathqa_03_05955
what is the smallest positive integer x , such that 2160 x is a perfect cube ?
[ "100", "6", "8", "12" ]
A
openbookqa
obqa_02_01834
There are many changes that can occur to the earth, quickly or overtime. Which would occur over millions of years?
[ "earthquake", "canyon", "tornado", "Tsunami" ]
B
sciq
sciq_01_04196
What is the leading cause of death worldwide?
[ "liver failure", "coronary artery disease", "lung disease", "cancer" ]
B
sciq
sciq_01_05468
The group of plants that can make their own food from inorganic raw materials in the presence of sunlight are referred to as what?
[ "symbiotic", "autotrophic", "heterotrophic", "autosynonomys" ]
B
sciq
sciq_01_04860
What is the name of a tough, fibrous membrane which protects the outer layer of bone?
[ "marrow", "the periosteum", "the epithelium", "cartilage" ]
B
sciq
sciq_01_07006
If no conclusion is reached after an experiment, the scientist may retest what?
[ "conclusion", "suggestions", "hypothesis", "materials" ]
C
sciq
sciq_01_00549
Some plants can detect increased levels of what when reflected from leaves of encroaching neighbors?
[ "light", "water", "oxygen", "air" ]
A
sciq
sciq_01_05594
What is produced during the light reactions in photosynthesis?
[ "nitrogen", "oxygen", "waste", "carbon" ]
B
math_qa
mathqa_03_04987
a guy was asked to specify his age in years . he said , “ take my age 8 years hence , multiply it by 8 and subtract 8 times of my age 8 years ago and get the half of the result and you will know my age . ” what was the age of that guy ?
[ "18", "55", "63", "64" ]
D
openbookqa
obqa_02_03597
If a person blows on another person's arm, then nerves will
[ "curl up and die", "signal to the sky", "make more nerves in that area", "alert the brain of this" ]
D
sciq
sciq_01_06941
What is an example of a disease that affects the blood?
[ "scoliosis", "anemia", "tuberculosis", "rickets" ]
B
sciq
sciq_01_06777
Which bones are flat and triangular and located at the back of the pectoral girdle?
[ "vertebrae", "scapulae", "cochlea", "laminae" ]
B
sciq
sciq_01_07406
What type of gases trap heat in the atmosphere, causing earth to have a moderate temperature?
[ "ozone gases", "greenhouse gases", "carbon monoxides", "sulfuric gases" ]
B
openbookqa
obqa_02_03216
A magnet would most likely stick to
[ "a noodle", "a chopstick", "a girder", "a plastic cup" ]
C
math_qa
mathqa_03_05401
a 6 by 8 rectangle is inscribed in circle . what is the circumference of the circle ?
[ "5 π", "10 π", "15 π", "20 π" ]
B
sciq
sciq_01_03700
Tendons connecting the scapula to the humerus form what, which is the circle of tendons around the shoulder joint?
[ "rotator cuff", "thigh cuff", "wrist cuff", "knee cuff" ]
A
math_qa
mathqa_03_03976
rectangular tile each of size 35 cm by 30 cm must be laid horizontally on a rectangular floor of size 1000 cm by 210 cm , such that the tiles do not overlap and they are placed with edges jutting against each other on all edges . a tile can be placed in any orientation so long as its edges are parallel to the edges of ...
[ "600'", "400'", "200'", "500'" ]
C
math_qa
mathqa_03_02892
find the sum lend at c . i . at 5 p . c per annum will amount to rs . 441 in 2 years ?
[ "387", "400", "776", "268" ]
B
sciq
sciq_01_02216
What is the mildest type of brain injury?
[ "blunt trauma", "concussion", "dementia", "hydrocephalus" ]
B
sciq
sciq_01_10350
Conifers are the most prevalent type of what plant group?
[ "gymnosperms", "algae", "angiosperms", "theropods" ]
A
ARC-Challenge
arc_04_02700
In plants, which describes sexual reproduction but not asexual reproduction?
[ "Five limbs are grafted onto the same tree.", "New plants are grown from pieces of other plants.", "A fertilized egg cell divides to produce an embryo.", "Offspring are produced that have the same genetic information as the parent." ]
C
HPCPerfOpt-MCQA
hpc_05_00052
double fib(unsigned n) {\n if (n == 0) {\n return 0.;\n }\n if (n == 1) {\n return 1.;\n }\n return fib(n - 1) + fib(n - 2);\n}\n\nint example(unsigned times) {\n double sum = 0.;\n for (unsigned i = 0; i < times; i++) {\n sum += fib(i);\n }\n return sum;\n}\n What is th...
[ "Use separate arrays instead of an Array-of-Structs", "Unprotected multithreading recurrence", "Call to recursive function within a loop inhibits vectorization", "Avoid copying unnecessary array elements to or from the GPU" ]
C
openbookqa
obqa_02_03575
John Muir would likely set aside an area for
[ "superheroes and villains", "oaks and chipmunks", "bankers and politicians", "cars and boats" ]
B
math_qa
mathqa_03_05171
the side of a square is increased by 5 % then how much % does its area increases ?
[ "15.00 %", "10.25 %", "10.00 %", "12.25 %" ]
B
ARC-Easy
arc_04_01916
Protein is used by the human body to
[ "build strong bones.", "absorb vitamins.", "repair cells.", "provide fiber." ]
C
sciq
sciq_01_11163
What do a river and all its tributaries make up?
[ "water system", "river system", "abundance system", "food system" ]
B