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math_qa
mathqa_03_04520
if the operation € is defined for all x and y by the equation x € y = 2 * x * y , then 8 € ( 4 € 5 ) =
[ "80", "120", "160", "640" ]
D
sciq
sciq_01_02464
What are used as model organisms in molecular biology and genetics?
[ "weather slime molds", "convergent slime molds", "cellular slime molds", "electromagnetic slime molds" ]
C
math_qa
mathqa_03_04163
a train running at the speed of 60 km / hr crosses a pole in 12 seconds . find the length of the train .
[ "150", "278", "179", "200" ]
D
math_qa
mathqa_03_04658
due to construction , the speed limit along an 7 - mile section of highway is reduced from 55 miles per hour to 35 miles per hour . approximately how many minutes more will it take to travel along this section of highway at the new speed limit than it would have taken at the old speed limit ?
[ "2", "3", "4", "5" ]
C
sciq
sciq_01_03580
What is the microtubule-organizing center found near the nuclei of animal cells?
[ "entrosome", "centrosome", "spliceosome", "lysosome" ]
B
sciq
sciq_01_06713
What is the name of muscular blood vessels that carry blood away from the heart?
[ "Veins", "tubes", "Aorta", "arteries" ]
D
ARC-Challenge
arc_04_03204
As the molecules of water begin to slow down they go into a phase where they are no longer able to easily move past each other. The water is passing through a phase change and will
[ "remain a mixture.", "remain a compound.", "become an element.", "become a compound." ]
B
math_qa
mathqa_03_05741
working alone , pump a can empty a pool in 4 hours . working alone , pump b can empty the same pool in 2 hours . working together , how many minutes will it take pump a and pump b to empty the pool ?
[ "65", "70", "75", "80" ]
D
math_qa
mathqa_03_00341
the tax on a commodity is diminished by 30 % but its consumption is increased by 15 % . find the decrease percent in the revenue derived from it ?
[ "20 %", "18 %", "15 %", "12 %" ]
A
openbookqa
obqa_02_02615
a person bought a reptile at a store and it laid some eggs once they got home, why is this?
[ "it is a mammal", "it is under pressure", "it is offering egg gifts", "it is incapable of live birth" ]
D
sciq
sciq_01_04268
Large or small numbers are expressed in scientific notation, which use powers of this?
[ "16", "2", "10", "4" ]
C
sciq
sciq_01_07830
Which theory states that all organisms are composed of one or more cells, the cell is the basic unit of life, and new cells arise from existing cells?
[ "natural selection", "theory of evolution", "unified cell theory", "microcellular theory" ]
C
math_qa
mathqa_03_04996
line m lies in the xy - plane . the y - intercept of line m is - 4 , and line m passes through the midpoint of the line segment whose endpoints are ( 2 , 4 ) and ( 6 , - 8 ) . what is the slope of line m ?
[ "- 2", "- 1", "- 1 / 3", "0" ]
A
sciq
sciq_01_03103
What weather phenomenon can raise sea level as much as 25 feet when low pressure pulls water upward?
[ "cloud formation", "earthquake surge", "storm surge", "storm rise" ]
C
sciq
sciq_01_03843
What type of digestion is chewing an example of?
[ "electromagnetic", "fluid", "mechanical", "gravity" ]
C
openbookqa
obqa_02_01633
A light bulb turns on when it receives energy from
[ "a cable", "an oven", "gasoline", "a person" ]
A
sciq
sciq_01_02096
What is the term for the use of radioactive decay to estimate the ages of fossils and rock?
[ "radioactive dating", "isotope test", "microwave theory", "radioactive illustrating" ]
A
math_qa
mathqa_03_00340
the area of playground is 5900 sq . meters . what will be the cost of covering it with grass sheet 1 cm deep , if cost of grass sheet is $ 2.80 per cubic meter .
[ "a", "b", "c", "d" ]
C
math_qa
mathqa_03_03044
two numbers are respectively 35 % and 50 % more than a third number . the percentage that is first of the second is ?
[ "90 %", "47 %", "38 %", "52 %" ]
A
sciq
sciq_01_05976
Which proteins recognize and combine with harmful materials, including both toxic chemicals and invasive microorganisms?
[ "enzymes", "essential amino acids", "antibodies", "collagen" ]
C
math_qa
mathqa_03_03829
a can give b 300 meters start and c 600 meters start in a kilometer race . how much start can b give c in a kilometer race ?
[ "111.12", "111.67", "428.57", "111.11" ]
C
ARC-Easy
arc_04_02124
Which of the following actions is most likely part of a test to find the hardness of a mineral sample?
[ "heating the sample on a hot plate", "scratching the sample with a nail", "hitting the sample with a hammer", "shining a bright light on the sample" ]
B
ARC-Easy
arc_04_01035
During subduction, one tectonic plate is forced below another. The subducting plate is forced into the
[ "asthenosphere.", "lithosphere.", "outer core.", "inner core." ]
A
sciq
sciq_01_08031
Teeth in the back of the mouth are used for what?
[ "cutting food", "tearing food", "swallowing food", "grinding food" ]
D
math_qa
mathqa_03_04898
average of 10 matches is 34 , how many runs one should should score to increase his average by 4 runs .
[ "a", "b", "c", "d" ]
C
openbookqa
obqa_02_03760
Sprinklers during the summer is prohibited because of
[ "documentation", "vaporization", "solicitation", "rowdy neighbors" ]
B
sciq
sciq_01_03783
The primary function of insulin is to facilitate the uptake of what into body cells?
[ "chloride", "sucralose", "glucose", "water" ]
C
math_qa
mathqa_03_04508
a certain bag contains 60 balls — 22 white , 18 green , 5 yellow , 6 red , and 9 purple . if a ball is to be chosen at random , what is the probability that the ball will be neither red nor purple ?
[ "0.09", "0.15", "0.54", "0.75" ]
D
sciq
sciq_01_04942
What are reversible physical changes in matter called?
[ "chemical change", "alterations", "changes of state", "transformations" ]
C
openbookqa
obqa_02_04844
Soil is an example of what type of resource for growing plants?
[ "Recycled Resource", "Natural Resource", "Renewable Resource", "Abundant Resource" ]
C
sciq
sciq_01_07704
What is the name of a joint in which one bone rotates in relation to another bone?
[ "hinge", "gliding", "pivot joint", "ball and socket" ]
C
sciq
sciq_01_05049
Hydrostatic skeletons are well suited for life in what kind of environments?
[ "pelagic", "bacterial", "aquatic", "surface" ]
C
ARC-Easy
arc_04_01132
The Andes Mountains in South America formed when an oceanic plate shifted beneath a continental plate. Which other landforms are usually associated with this type of plate boundary?
[ "barrier islands", "ocean trenches", "mid-ocean ridges", "volcanic island arcs" ]
B
math_qa
mathqa_03_03422
what quantity of water should taken out to concentrate 12 liters of 40 % acidic liquid to 60 % acidic liquid ?
[ "4 liters", "10 liters", "15 liters", "8 liters" ]
A
sciq
sciq_01_05089
Another name for table salt is?
[ "hydrogen chloride", "dioxide chloride", "sodium chloride", "carbon chloride" ]
C
math_qa
mathqa_03_00948
if 12 ounces of a strong vinegar solution are diluted with 50 ounces of water to form a 7 - percent vinegar solution , what was the concentration of the original solution ?
[ "19.3 %", "17 %", "36.17 %", "15.5 %" ]
C
sciq
sciq_01_04391
Fatal swelling of what organ can result from both encephalitis and meningitis, which typically cause a severe headache and a fever?
[ "brain", "liver", "kidney", "heart" ]
A
sciq
sciq_01_06035
What are the newest, outer layers of secondary xylem called?
[ "fibrous", "sapwood", "vascular", "bark" ]
B
openbookqa
obqa_02_01832
A bird in an arid place can find water, despite a lack of puddles, lakes or rainfall if it
[ "pokes a tough plant", "eats a small stone", "takes out a loan", "cries for a minute" ]
A
sciq
sciq_01_00177
Runoff is likely to cause more what if the land is bare?
[ "erosion", "sediment", "weathering", "abrasion" ]
A
ARC-Challenge
arc_04_03218
Swamp plants die, fall to the ground, and are buried by other dying plants. Approximately how long would it take for plants to possibly become a fossil fuel?
[ "1,000,000 years", "100,000 years", "10,000 years", "1,000 years" ]
A
sciq
sciq_01_04063
What are the tiny packets of energy the sun gives off called?
[ "electrons", "ions", "neutrons", "photons" ]
D
sciq
sciq_01_05826
An endocrine disease usually involves the secretion of too much or not enough hormone by which gland?
[ "endocrine", "Pituitary", "Pancreas", "Thyroid" ]
A
ARC-Easy
arc_04_00342
A snail's shell provides the snail with
[ "food.", "energy.", "protection.", "transportation." ]
C
ARC-Easy
arc_04_02007
Which is the most likely reason why scientific theories change?
[ "public opinions change", "retiring scientists are replaced", "more money is spent on science", "scientists make new observations" ]
D
openbookqa
obqa_02_01153
To survive living things
[ "need money", "need Pu", "need H2O", "need hunting skills" ]
C
openbookqa
obqa_02_00940
what kinds of things grow
[ "nutritional things", "moving things", "large things", "breathing things" ]
D
math_qa
mathqa_03_02010
a student chose a number , multiplied it by 2 , then subtracted 200 from the result and got 110 . what was the number he chose ?
[ "168", "100", "155", "160" ]
C
sciq
sciq_01_07062
How is the radioactive decay measured?
[ "alpha emission", "quarter-life", "half-life", "carbon dating" ]
C
ARC-Easy
arc_04_01857
The starch and water molecules in potato cells are stored in what organelle?
[ "mitochondrion", "nucleus", "ribosome", "vacuole" ]
D
math_qa
mathqa_03_05252
what is the remainder when 43 ^ 92 is divided by 5 ?
[ "0", "1", "2", "3" ]
B
ARC-Easy
arc_04_01943
A chef uses a metal spoon to stir noodles cooking in a pan. After five minutes, she notices that the thermal energy from the pan has made the spoon
[ "cold.", "hot.", "wet.", "dry." ]
B
sciq
sciq_01_08996
What is the name of vesicles that are formed by the golgi apparatus?
[ "lysosomes", "capillaries", "lymphocytes", "vessels" ]
A
sciq
sciq_01_05007
What kind of harm does a corrosive substance cause?
[ "eats through objects", "Builds a crust", "Rust objects", "Attracts dust" ]
A
math_qa
mathqa_03_05835
during a sale of 20 % on everything in a store , a kid is successful in convincing the store manager to give him 20 candies for the discounted price of 14 candies . the store still makes a profit of 10 % on this sale . what is the mark up percentage on each candy ?
[ "100 %", "80 %", "75 %", "66 + 2 / 3 %" ]
C
math_qa
mathqa_03_05581
a student scored an average of 80 marks in 3 subjects : physics , chemistry and mathematics . if the average marks in physics and mathematics is 90 and that in physics and chemistry is 70 , what are the marks in physics ?
[ "21", "27", "26", "80" ]
D
math_qa
mathqa_03_03866
what should be the least number to be added to the 51234 number to make it divisible by 9 ?
[ "6", "4", "3", "5" ]
C
sciq
sciq_01_04769
The testes produce what hormone?
[ "insulin", "estrogen", "testosterone", "dopamine" ]
C
math_qa
mathqa_03_05423
a retailer purchases shirts from a wholesaler and then sells the shirts in her store at a retail price that is 50 percent greater than the wholesale price . if the retailer decreases the retail price by 30 percent this will have the same effect as increasing the wholesale price by what percent ?
[ "15", "20", "10", "5" ]
D
ARC-Challenge
arc_04_02925
Which of the following substances can be separated into several elements?
[ "nitrogen", "zinc", "air", "aluminum" ]
C
sciq
sciq_01_10736
Exemplified by cesium, which ignites spontaneously in air, pure elements with a high metallic character tend to be very what?
[ "radiactive", "reactive", "proactive", "inactive" ]
B
sciq
sciq_01_00182
Mushrooms are an example of what type of organism, which includes beneficial and toxic specimens?
[ "spores", "fungi", "seeds", "bacteria" ]
B
ChatGPT
gpt_06_00054
What is the probability of getting heads when tossing a fair coin?
[ "0", "0.25", "0.5", "1" ]
C
sciq
sciq_01_09696
What trimester is associated with rapid fetal growth?
[ "second trimester", "fourth trimester", "first trimester", "third trimester" ]
D
sciq
sciq_01_08417
The length of a rectangular surface multiplied by its width is equal to what?
[ "volume", "height", "area", "circumference" ]
C
math_qa
mathqa_03_00755
a reduction of 50 % in the price of apples would enable a man to obtain 80 more for rs . 55 , what is reduced price per dozen ?
[ "1", "3", "4", "7" ]
C
math_qa
mathqa_03_04002
how many paying stones , each measuring 2 1 / 2 m * 2 m are required to pave a rectangular court yard 60 m long and 16 1 / 2 m board ?
[ "99", "18", "16", "198" ]
D
sciq
sciq_01_06119
What glands in the breast secrete milk?
[ "mammary glands", "primordial glands", "adrenal glands", "fetal glands" ]
A
sciq
sciq_01_08810
What is the common term for animals in the phylum porifera?
[ "sponges", "sharks", "corals", "crustaceans" ]
A
sciq
sciq_01_09794
When do homologous chromosomes form pairs?
[ "meiosis", "metathesis", "mitosis", "transcripton" ]
A
sciq
sciq_01_06263
Because all animals require an external source of what, they are called heterotrophic?
[ "fuel", "energy", "water", "food" ]
D
ARC-Easy
arc_04_02020
Sodium bicarbonate (NaHCO_{3}) is commonly known as baking soda. Sodium bicarbonate is a white solid that can dissolve in water. Under the proper conditions, sodium bicarbonate can release carbon dioxide (CO_{2}) gas. Which of the following is not a physical property of sodium bicarbonate?
[ "It is white.", "It is a solid.", "It can dissolve in water.", "It releases carbon dioxide." ]
D
math_qa
mathqa_03_02140
one pipe can fill a tank three times as fast as another pipe . if together the two pipes can fill tank in 37 min , then the slower pipe alone will be able to fill the tank in ?
[ "229", "787", "144", "148" ]
D
math_qa
mathqa_03_03277
find the number of different prime factors of 6440
[ "4", "2", "3", "5" ]
A
openbookqa
obqa_02_02463
Seals which return to where they were born display reproductive behavior by using that space to
[ "hunt squirrel", "retrieve eggs", "birth young", "kill birds" ]
C
sciq
sciq_01_04573
The temperature at which something melts is refered to as what?
[ "melting point", "precipitation point", "evaporation point", "boiling point" ]
A
math_qa
mathqa_03_02584
two trains of equal lengths take 12 sec and 20 sec respectively to cross a telegraph post . if the length of each train be 120 m , in what time will they cross other travelling in opposite direction ?
[ "16 sec", "12 sec", "17 sec", "15 sec" ]
D
sciq
sciq_01_00921
What is the process that breaks down rocks into smaller pieces?
[ "weathering", "bracing", "bleaching", "erosion" ]
A
sciq
sciq_01_07350
Where are the viral enzyme and genome packaged inside?
[ "ribosomes", "mitochondria", "viral capsid", "pollen grains" ]
C
sciq
sciq_01_03419
What is created when energy turns a turbine?
[ "electricity", "light", "force", "torque" ]
A
sciq
sciq_01_10242
What is a representation of the valence electrons of an atom that uses dots around the symbol of the element?
[ "lewis structure", "right structure", "watson structure", "time structure" ]
A
math_qa
mathqa_03_03402
in one hour , a boat goes 19 km / hr along the stream and 11 km / hr against the stream . the speed of the boat in still water ( in km / hr ) is :
[ "12 kmph", "13 kmph", "14 kmph", "15 kmph" ]
D
sciq
sciq_01_03536
The periodic table is an arrangement of the elements in order of increasing what?
[ "metallic numbers", "negative numbers", "gravity numbers", "atomic numbers" ]
D
sciq
sciq_01_00822
What process is used to chemically and mechanically break down the food you eat into smaller parts?
[ "digestion", "filtration", "absorption", "regression" ]
A
math_qa
mathqa_03_03573
according to the direction on a can of frozen orange juice concentrate is to be mixed with 3 cans of water to make orange juice . how many 12 - ounce cans of the concentrate are required to prepare 272 6 - ounce servings of orange juice ?
[ "25", "34", "50", "67" ]
B
sciq
sciq_01_10937
Translucent matter is matter that transmits and does what else to light?
[ "scatters", "reflects", "absorbs", "condenses" ]
A
sciq
sciq_01_05573
Friendly bacteria live mostly in the large intestine and part of the small intestine, because what organ is too acidic?
[ "skin", "liver", "stomach", "rectum" ]
C
math_qa
mathqa_03_00448
a cistern 8 m long and 6 m wide contains water up to a breadth of 1 m 85 cm . find the total area of the wet surface .
[ "102 m sqaure", "100 m sqaure", "152 m sqaure", "164 m sqaure" ]
B
openbookqa
obqa_02_04261
Which two letters are most associated with painful, red flesh?
[ "O and A", "Q and P", "U and V", "F and J" ]
C
sciq
sciq_01_04020
Digestive enzymes, including which enzyme, start breaking down starches into sugars?
[ "triglyceride", "melatonin", "amylase", "cortisol" ]
C
math_qa
mathqa_03_01204
the average of 6 no . ' s is 3.95 . the average of 2 of them is 3.6 , while the average of the other 2 is 3.85 . what is the average of the remaining 2 no ' s ?
[ "4.2", "4.4", "4.6", "5.6" ]
B
sciq
sciq_01_07782
Photosynthesis produces oxygen as a byproduct, and respiration produces what as a byproduct?
[ "carbon dioxide", "ozone", "carbon monoxide", "nitrogen" ]
A
ARC-Challenge
arc_04_02520
Decomposers are important to the flow of energy in an ecosystem because they
[ "are at the top of every food chain.", "eat things other organisms do not eat.", "make up a large portion of the top layer of the soil.", "break organic material into parts that can be reused." ]
D
sciq
sciq_01_08997
What is the term for the arrangement of veins in a leaf?
[ "venation pattern", "vein pattern", "dorsal pattern", "cerebellum pattern" ]
A
math_qa
mathqa_03_04742
3 buffaloes eat as much as 4 cows or 2 oxen . at a farm , there are 15 buffaloes , 8 oxen , and 24 cows . the fodder for these cattle is available for 48 days . if 40 more cows and 15 more buffaloes are brought in , how many days will the fodder last ?
[ "20", "24", "28", "32" ]
B
openbookqa
obqa_02_03123
What would be more attracted to a magnet?
[ "wood", "A dog", "a cloud", "A zipper" ]
D
sciq
sciq_01_03024
What is the layer of ground below the surface that is always frozen, even in the summer?
[ "permafrost", "bedrock", "tundra", "upper crust" ]
A
openbookqa
obqa_02_04750
If a plant is being nourished throughout all of itself, the reason is most likely
[ "plastic tubes", "internal tubes", "interior walls", "metal tubes" ]
B
math_qa
mathqa_03_00742
if 5 spiders make 5 webs in 5 days , then 1 spider will make 1 web in how many days ?
[ "7", "6", "5", "4" ]
C
openbookqa
obqa_02_03821
Which object would have more tightly packed matter
[ "gold", "gas", "wood", "water" ]
A