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7 values
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4 values
ARC-Easy
arc_04_02105
A ball on a cart is moving at a rate of 2 m/s. The cart suddenly stops and the ball continues to travel in the same direction at the same speed. This is an example of the
[ "law of gravity.", "first law of motion.", "second law of motion.", "third law of motion." ]
B
HPCPerfOpt-MCQA
hpc_05_00038
for (int i = 0; i < n; ++i) {\n D[i] = a * X[index[i]] + Y[i]\n}\n Code2: for (int i = 0; i < n; ++i) {\n X_index_i[i] = X[index[i]];\n}\nfor (int i = 0; i < n; ++i) {\n D[i] = a * X_index_i[i] + Y[i]\n}\n How can we optimize the performance of the given code snippet?
[ "Pass only required fields from derived data types as parameters", "Declare global variables as function parameters", "Consider loop fission to separate gather memory access pattern", "Pass only required fields from derived data types as parameters" ]
C
openbookqa
obqa_02_01241
The moon
[ "has seven great lakes", "is devoid of seas", "is larger than the Earth", "has a powerful magnetic field" ]
B
openbookqa
obqa_02_02294
Seas are the largest source of fluid on
[ "dry planet", "wet planet", "solar planet", "ice planet" ]
B
openbookqa
obqa_02_00727
Liquids
[ "can take on numerous formations", "is always completely opaque", "lacks any sort of malleability", "is easily confused with the gas phase" ]
A
math_qa
mathqa_03_04948
john ' s bank ' s saving amount is decreased 12 % due to loan payment and current balance is rs . 44000 . find the actual balance before deduction ?
[ "8000", "50000", "9000", "9500" ]
B
openbookqa
obqa_02_03270
On June 1st, it's the first day of winter in
[ "the sun", "the Kepler belt", "the southern hemisphere", "the northern hemisphere" ]
C
openbookqa
obqa_02_04740
What is decomposed in decomposition?
[ "living creatures", "lifeless life forms", "plastics", "metals" ]
B
sciq
sciq_01_04730
Autocrine signaling takes place within the same what?
[ "organ", "proteins", "cell", "tissue type" ]
C
sciq
sciq_01_04274
The galápagos islands are a group of 16 volcanic islands 600 miles off the west coast of what continent?
[ "europe", "asia", "north america", "south america" ]
D
math_qa
mathqa_03_05476
a , b and c are partners . a receives 2 / 3 of profits , b and c dividing the remainder equally . a ' s income is increased by rs . 400 when the rate to profit rises from 5 to 7 percent . find the capital of b ?
[ "3999", "7799", "2500", "5000" ]
D
math_qa
mathqa_03_04915
how many cubes of 25 cm edge can be put in a cubical box of 1 m edge .
[ "177 cm'", "100 cm'", "86 cm'", "64 cm'" ]
D
ARC-Easy
arc_04_02016
Meteorologists categorize hurricanes based on the Saffir-Simpson scale. The scale measures the intensity and destructive potential of hurricanes. Which factor has the most significant effect on the strength of a hurricane?
[ "the initial speed of a hurricane", "the direction that the hurricane rotates", "the number of hurricanes that form in a year", "the temperature of the water below the hurricane" ]
D
sciq
sciq_01_07820
What is the generation of electricity using photovoltaic cells to split water molecules called?
[ "aqua-electricity", "photovoltaic cells", "hybrid electricity", "photoelectrolysis" ]
D
openbookqa
obqa_02_00923
Birds feed their babies by
[ "telepathy", "flying", "osmosis", "regurgitation" ]
D
sciq
sciq_01_00814
What are considered solid lipids that animals use to store energy?
[ "proteins", "fats", "sugars", "acids" ]
B
openbookqa
obqa_02_00803
Which would an alligator eat
[ "spider", "crab", "squid", "tilapia" ]
D
sciq
sciq_01_10666
Clams, oysters, scallops, and mussels are examples of what type of species?
[ "mollusks", "tortoises", "invertebrates", "mammals" ]
A
sciq
sciq_01_10139
A hypothesis is scientific only if it can be tested by what?
[ "making observations", "carbon dating", "making a conclusion", "independent variable" ]
A
openbookqa
obqa_02_00584
if a student locates their pen on the table across the room, which of these happened?
[ "there was light from pen to cornea", "the pen failed to reflect any light", "none of these", "the person has psychic powers" ]
A
sciq
sciq_01_04012
Upon reaching the postsynaptic membrane, what type of chemical messenger binds to and activates a specific receptor?
[ "neuropeptide", "pheromone", "hormone", "neurotransmitter" ]
D
sciq
sciq_01_02432
What type of reproduction produces offspring from a single parent that share the exact same genetic material as the parent?
[ "asexual reproduction", "sexual reproduction", "mutation", "microscopic reproduction" ]
A
sciq
sciq_01_00684
The fight or flight response involves what system?
[ "functional nervous system", "cellular nervous system", "autonomic nervous system", "voluntary nervous system" ]
C
sciq
sciq_01_08826
Electromagnetic waves vary in wavelength and in what property, which is lower in waves of longer wavelengths?
[ "frequency", "size", "density", "resonance" ]
A
math_qa
mathqa_03_03228
when greenville state university decided to move its fine arts collection to a new library , it had to package the collection in 20 - inch by 20 - inch by 15 - inch boxes . if the university pays $ 0.50 for every box , and if the university needs 3.06 million cubic inches to package the collection , what is the minimum...
[ "$ 255", "$ 275", "$ 510", "$ 1,250" ]
A
math_qa
mathqa_03_01332
how many liters of water must be added to 18 liters of milk and water containing 10 % water to make it 40 % water ?
[ "6", "7", "8", "9" ]
D
sciq
sciq_01_11059
What is made up of the pinna, ear canal, and eardrum?
[ "the nervous system", "the outer ear", "the inner ear", "the epidermis" ]
B
sciq
sciq_01_07443
What crust is thinner and denser than continental crust?
[ "coastal", "land", "oceanic", "asteroid" ]
C
ARC-Easy
arc_04_00352
Animals that eat both plant matter and meat are referred to as
[ "decomposers.", "scavengers.", "herbivores.", "omnivores." ]
D
sciq
sciq_01_02955
Fungi are unique in having cell walls made of what?
[ "chitin", "lectin", "Protein", "prokaryotic" ]
A
ARC-Challenge
arc_04_02568
What MAJOR advantage does nekton have over plankton in locating food?
[ "Nekton can actively swim.", "Nekton can see in the dark.", "Nekton do not eat much food.", "Nekton can eat anything in the ocean." ]
A
sciq
sciq_01_03512
Where is chlorine gas produced?
[ "at the anode", "epidermis", "carbon cycle", "in the nucleus" ]
A
openbookqa
obqa_02_04132
A source of heat could be
[ "a cold soda", "an ice cube", "a mini flashlight", "snow" ]
C
sciq
sciq_01_05621
What is the complex network of nervous tissue that carries electrical messages throughout the body?
[ "respiratory system", "nervous system", "lymphatic system", "circulatory system" ]
B
sciq
sciq_01_00009
What is the stored food in a seed called?
[ "membrane", "larval", "pollin", "endosperm" ]
D
math_qa
mathqa_03_00711
how many integers from 0 to 50 inclusive have a remainder of 3 when divided by 11 ?
[ "5", "6", "7", "8" ]
A
math_qa
mathqa_03_03274
a car travels at a speed of 75 miles per hour . how far will it travel in 5 hours ?
[ "425 miles", "625 miles", "325 miles", "375 miles" ]
D
openbookqa
obqa_02_00828
School children often play a musical instrument by
[ "sweeping thumb across elastic band over a beverage carton", "making rubber band chain bracelets", "wearing rubber bands with braces", "shooting rubber band with one hand" ]
A
openbookqa
obqa_02_00452
What do steam and ice have in common?
[ "intensive properties", "form", "temperature", "appearance" ]
A
math_qa
mathqa_03_04916
set x consists of the integers from 0 to 12 , inclusive , while set y consists of the integers from 6 to 10 , inclusive . how many distinct integers do belong to the both sets at the same time ?
[ "4", "10", "5", "9" ]
C
sciq
sciq_01_03628
What is the term for the unconscious movements controlled by the somatic nervous system?
[ "tremors", "mechanisms", "senses", "reflexes" ]
D
openbookqa
obqa_02_01576
A way that scientists determined whether previously known planets truly are still such is based on whether
[ "they complete rotations", "they have atmosphere", "they are glowing", "they have life" ]
A
openbookqa
obqa_02_01804
One arctic animal, the polar bear may spend their time doing what
[ "racing", "swimming", "creating", "reading" ]
B
ARC-Easy
arc_04_00471
Over a long period of time, a rocky volcanic island that previously did not support any form of life got transformed into a dense forested region. Which of these species is most likely to have been the pioneer species that initiated this transformation?
[ "ferns", "grasses", "lichens", "mushrooms" ]
C
openbookqa
obqa_02_01008
A kangaroo can have multiple babies at various stages of life at the same time. These joeys can show remarkable instincts, in that they
[ "hallucinate", "nurse", "scream", "are born" ]
B
sciq
sciq_01_11376
Do particles collide more in two reactants when they are both in fluid forms or solid forms?
[ "solid", "plasma", "fluid", "neither" ]
C
math_qa
mathqa_03_01101
martin bought 5 packet milk at an average price ( arithmetic mean ) of 20 ¢ . if martin returned two packet to the retailer , and the average price of the remaining millk packet was 12 ¢ , then what is the average price , in cents , of the two returned milk packets ?
[ "30", "31", "32", "33" ]
C
math_qa
mathqa_03_05317
jane and thomas are among the 6 people from which a committee of 3 people is to be selected . how many different possible committees of 3 people can be selected from these 6 people if at least one of either jane or thomas is to be selected ?
[ "12", "14", "16", "18" ]
C
sciq
sciq_01_11325
Living species of chordates are classified into three major subphyla: vertebrata, urochordata, and what?
[ "cephalochordata", "invertebrates", "xerophyte", "spirogyra" ]
A
sciq
sciq_01_02511
What is the gas that gives rotten eggs and sewage their distinctive smell?
[ "calcium sulfide", "hydrogen sulfide", "hydrogen peroxide", "methane" ]
B
sciq
sciq_01_02712
How thick is the earth's continental crust, on average?
[ "15 kilometers", "60 kilometers", "25 kilometers", "35 kilometers" ]
D
sciq
sciq_01_08691
What is a molecule made up of two subunits?
[ "dimer", "chloride", "enzyme", "acid" ]
A
sciq
sciq_01_09761
Many protists form what kind of beneficial association with other species?
[ "symbiotic", "Opportunistic", "evolved", "Facultative" ]
A
ARC-Challenge
arc_04_02906
In which scenario below would natural selection most likely occur?
[ "centuries of gradual climate change", "catastrophic destruction of habitat", "rapid and profound climate change", "immediate loss of primary food source" ]
A
math_qa
mathqa_03_00639
at a garage sale , all of the items were sold at different prices . if the price of a radio sold at the garage sale was both the 14 th highest price and the 21 st lowest price among the prices of the items sold , how many items were sold at the garage sale ?
[ "33", "34", "35", "36" ]
B
sciq
sciq_01_10140
Aging occurs as cells lose their ability to do what?
[ "fold", "divide", "split", "duplicate" ]
B
openbookqa
obqa_02_03362
If a frog is a baby, then it has
[ "zero legs", "four legs", "two legs", "zero parents" ]
A
math_qa
mathqa_03_02463
a sum of money is to be distributed among a , b , c , d in the proportion of 5 : 2 : 4 : 3 . if c gets rs . 800 more than d , what is b ' s share ?
[ "rs . 1600", "rs . 1500", "rs . 2000", "rs . 2500" ]
A
sciq
sciq_01_08713
How are bacteria cells similar to our cells?
[ "plasma and number of protons", "dna and number of protons", "shape and size", "dna & plasma membrane" ]
D
math_qa
mathqa_03_01582
to a sugar solution of 10 liters containing 50 % sugar , 10 liter of water is added . the percentage of sugar in the new solution is ?
[ "25 %", "30 %", "15 %", "20 %" ]
A
sciq
sciq_01_11123
What is a disease in which the immune system makes an inflammatory response to a harmless antigen?
[ "heartburn", "an allergy", "bronchitis", "cancer" ]
B
openbookqa
obqa_02_03603
refraction is when light bends and when it stops producing light after hitting something its its
[ "sleeping", "smelting", "absorbtion", "cooking" ]
C
math_qa
mathqa_03_03966
- 54 x 29 + 100 = ?
[ "- 1466", "2801", "- 2801", "- 2071" ]
A
openbookqa
obqa_02_02094
A change on our planet could be
[ "cats eating mice", "forests becoming lakes", "clouds raining", "deer running" ]
B
openbookqa
obqa_02_04526
As the use of alt bio fuels increases, the use of what will decrease?
[ "wind power", "solar heat", "hydro-electric power", "non regenerating fuels" ]
D
sciq
sciq_01_00593
Displacement divided by time is equal to the average what?
[ "acceleration", "force", "speed", "velocity" ]
D
sciq
sciq_01_08687
Which system consists of all the nervous tissue that lies outside the central nervous system?
[ "cerebral cortex", "spinal cord", "auxiliary nervous system", "peripheral nervous system" ]
D
math_qa
mathqa_03_05854
the ratio between the number of sheep and the number of horses at the stewart farm is 2 to 7 , if each horse is fed 230 ounces of horse food per day and the farm needs a total 12,880 ounces of horse food per day , what is the number of sheep in the farm ?
[ "18", "16", "32", "56" ]
B
sciq
sciq_01_05714
What is extracted from rock by heap leaching, flotation, or smelting?
[ "fuel", "ore", "methane", "copper" ]
B
math_qa
mathqa_03_04791
find the simple interest on rs . 580 for 11 months at 9 paisa per month ?
[ "574", "270", "566", "266" ]
A
ARC-Challenge
arc_04_02958
Scientists claim that the continents of South America and Africa were once a single landmass. All of the following observations support this claim except
[ "the mountains on these continents have similar rocks of the same age.", "these continents appear to fit together like the pieces of a puzzle.", "similar fish live in the ocean off the coasts of these continents.", "the same kinds of fossils have been found on these continents." ]
C
openbookqa
obqa_02_03109
Cutting down trees has a negative impact on what living in an ecosystem?
[ "disks", "plans", "stone shelves", "critters" ]
D
sciq
sciq_01_05237
What technology do scientists use to create models?
[ "computers", "microscopes", "patterns", "calculators" ]
A
sciq
sciq_01_04921
Name the physical phenomenon of the ocean that has a significant impact on both ocean life and human life.
[ "el pino", "las nino", "el nino", "el nieto" ]
C
math_qa
mathqa_03_05514
at a certain committee meeting only associate professors and assistant professors are present . each associate professor has brought 2 pencils and 1 chart to the meeting , while each assistant professor has brought 1 pencil and 2 charts . if a total of 10 pencils and 14 charts have been brought to the meeting , how man...
[ "6", "7", "8", "9" ]
C
ARC-Challenge
arc_04_02751
Which animal would most likely stay where it is?
[ "a fox in forest fire", "a frog whose pond has dried up", "a beaver that just finished building its dam", "a rabbit whose food is gone because of a drought" ]
C
sciq
sciq_01_00710
Osteoclasts break down bone to maintain mineral what?
[ "homeostatis", "density", "polarity", "fluctuations" ]
A
ARC-Easy
arc_04_00343
Since green plants make their own food, they are called
[ "predators", "prey", "decomposers", "producers" ]
D
sciq
sciq_01_04596
What is the term used to describe the liquid that moves through the vessels and includes plasma and the cells and sell fragments called platelets?
[ "bacteria", "blood", "pus", "water" ]
B
sciq
sciq_01_00233
What are fibers that depend on aerobic respiration called?
[ "evaporative fibers", "oxidative fibers", "fragile fibers", "hydrogen fibers" ]
B
math_qa
mathqa_03_04408
the speed of a train is 94 kmph . what is the distance covered by it in 12 minutes ?
[ "15 kmph", "11 kmph", "88 kmph", "19 kmph" ]
D
openbookqa
obqa_02_00008
As a car approaches you in the night
[ "the headlights become more intense", "the headlights recede into the dark", "the headlights remain at a constant", "the headlights turn off" ]
A
ARC-Challenge
arc_04_03047
Earth's distance from the Sun helps the planet sustain life. If the Sun were larger, what would most likely also have to be true for Earth to sustain life?
[ "Earth would have to be further from the Sun.", "Earth would have to be closer to the Sun.", "Earth would have to be smaller.", "Earth would have to be larger." ]
A
ARC-Easy
arc_04_00237
A student used two long wires to connect a lightbulb to a battery. The student noticed that as soon as the circuit was complete, a nearby compass started to point in a direction other than north. The compass pointed in a different direction because it was reacting to the
[ "heat produced by the lightbulb.", "light produced by the lightbulb.", "electric field produced by the battery.", "magnetic field produced by the electric current." ]
D
ARC-Challenge
arc_04_02654
Manuel wants an area in the yard to wash the dog without making mud puddles. He wants to put something on the ground that water passes through easily. Which of these materials would be the best for him to use?
[ "clay", "plastic", "soil", "pebbles" ]
D
openbookqa
obqa_02_01973
Unlike trees in the forest or a pond full of fish, metal is only available until
[ "it is depleted for good", "it is found on catfish scales", "it becomes necessary to conduct electricity long distances", "it is used to make diamond rings" ]
A
math_qa
mathqa_03_05972
two trains of equal length , running with the speeds of 60 and 100 kmph , take 50 seconds to cross each other while they are running in the same direction . what time will they take to cross each other if they are running in opposite directions ?
[ "10", "6.25", "7.35", "2.62" ]
B
math_qa
mathqa_03_04995
the first year , two cows produced 8100 litres of milk . the second year their production increased by 15 % and 10 % respectively , and the total amount of milk increased to 9100 litres a year . how many litres were milked from one cow ?
[ "2178 lt", "3697 lt", "6583 lt", "4370 lt" ]
D
ARC-Challenge
arc_04_02211
Corn is widely being used in the United States to make ethanol for use in automobile fuel. How might the overproduction of corn negatively affect the environment?
[ "decreasing soil fertility", "decreasing oil transportation", "increasing the greenhouse effect", "increasing carbon dioxide emissions" ]
A
sciq
sciq_01_02666
What substance do the leaves of plants take in from the environment?
[ "oxygen", "carbon dioxide", "hydrogen", "acid rain" ]
B
math_qa
mathqa_03_02823
bruce and anne can clean their house in 4 hours working together at their respective constant rates . if anne ’ s speed were doubled , they could clean their house in 3 hours working at their respective rates . how many q hours does it currently take anne to clean the house on her own ?
[ "6", "7", "8", "12" ]
D
sciq
sciq_01_00605
What type of speciation occurs when groups from the same species are geographically isolated for long periods?
[ "allopatric", "prokaryotic", "symbiotic", "asexual" ]
A
math_qa
mathqa_03_05097
one side of a rectangular field is 16 m and one of its diagonal is 17 m . find the area of the field .
[ "100", "120", "91.2", "180" ]
C
math_qa
mathqa_03_04173
a tailor trims 7 feet from opposite edges of a square piece of cloth , and 5 feet from the other two edges . if 45 square feet of cloth remain , what was the length of a side of the original piece of cloth ?
[ "13", "15", "17", "19" ]
D
sciq
sciq_01_06563
The male and female reproductive system is regulated by follicle-stimulating hormone (fsh) and luteinizing hormone (lh) produced by what gland?
[ "pituitary", "thyroid", "testes", "adrenal" ]
A
sciq
sciq_01_06319
What is the unit of evolution?
[ "population", "biome", "species", "community" ]
A
sciq
sciq_01_04838
In what unit is heat measured in?
[ "velocities", "amperes", "joules", "thermals" ]
C
ARC-Easy
arc_04_01212
Increased nutrient levels in lakes can cause ecological changes that result in the death of many fish. At what point in the hydrological cycle are most nutrients deposited into lakes?
[ "runoff", "evaporation", "precipitation", "transpiration" ]
A
sciq
sciq_01_04999
How much time does the moon take to complete one revolution around the earth?
[ "one month", "one day", "one week", "one year" ]
A
math_qa
mathqa_03_05035
in a two - digit , if it is known that its unit ' s digit exceeds its 10 ' s digit by 2 and that the product of the given number and the sum of its digits is equal to 144 , then the number is ?
[ "24", "26", "28", "30" ]
A