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math_qa
mathqa_03_03311
the average weight of 20 persons sitting in a boat had some value . a new person added to them whose weight was 50 kg only . due to his arrival , the average weight of all the persons decreased by 5 kg . find the average weight of first 20 persons ?
[ "55", "56", "57", "58" ]
A
openbookqa
obqa_02_00804
Who's health does illness impact?
[ "an animate object", "a blue object", "a dead object", "an inanimate object" ]
A
sciq
sciq_01_08469
What is the most widely distributed organism around?
[ "phages", "viruses", "cockroaches", "microbes" ]
A
openbookqa
obqa_02_02415
A day that is cloudy will
[ "be likely to precipitate", "have only bright sunshine", "have empty blue skies", "be sunny and clear" ]
A
math_qa
mathqa_03_05656
running at the same rate , 8 identical machines can produce 560 paperclips a minute . at this rate , how many paperclips could 10 machines produce in 6 minutes ?
[ "1344", "4200", "8400", "50400" ]
B
sciq
sciq_01_01228
Diffusion can occur across a semipermeable membrane, such as the cell membrane, as long as a what exists?
[ "concentration gradient", "polarity", "parity", "differential" ]
A
sciq
sciq_01_04389
Crossing charges is one method for obtaining what?
[ "superscripts", "notations", "subscripts", "hybrids" ]
C
sciq
sciq_01_07849
What is another term for all eukaryotic organisms that are neither animals, nor plants, nor fungi?
[ "protists", "arthropods", "paramecium", "prokaryotes" ]
A
sciq
sciq_01_07335
What lets different species of anole lizards live in the same area without competing?
[ "concentration", "cooperation", "variation", "specialization" ]
D
openbookqa
obqa_02_01863
join a negative and a positive charge through a rare metal in a gas filled globe is known as
[ "led", "High Pressure Sodium", "incandescence", "compact florescence" ]
C
math_qa
mathqa_03_04794
average expenditure of a person for the first 3 days of a week is rs . 340 and for the next 4 days is rs . 420 . average expenditure of the man for the whole week is :
[ "350", "370", "380", "430" ]
C
sciq
sciq_01_01391
What is the process called in which nutrients pass into the bloodstream?
[ "accumulation", "absorption", "accumulation", "incorporation" ]
B
sciq
sciq_01_07742
The release of an egg from an ovary, is part of what cycle?
[ "life", "menstrual", "fetal", "stomach" ]
B
ARC-Easy
arc_04_01595
According to the Big Bang Theory, which element most likely formed first?
[ "carbon dioxide", "hydrogen", "oxygen", "nitrogen" ]
B
math_qa
mathqa_03_01037
a store owner estimates that the average price of type a products will increase by 35 % next year and that the price of type b products will increase by 15 % next year . this year , the total amount paid for type a products was $ 4000 and the total price paid for type b products was $ 5300 . according to the store owne...
[ "$ 14,755", "$ 11,495", "$ 16,000", "$ 16,225" ]
B
sciq
sciq_01_06462
What occurs when a substance reacts quickly with oxygen?
[ "combustion reaction", "oxidation", "catalytic conversion", "convection" ]
A
openbookqa
obqa_02_00567
The pull of gravity on objects increase as what happens?
[ "the object gets further away", "the object is pulled in circles", "gravity is heavier on an object", "the object is brought closer" ]
D
ARC-Easy
arc_04_01154
How is the structure of an atom best described?
[ "a negative core surrounded by densely packed matter", "a neutral core surrounded by mostly empty space", "a positive core surrounded by mostly empty space", "a positive core surrounded by densely packed matter" ]
C
sciq
sciq_01_03535
Innate behaviors occur in all animals. however, they are less common in species with higher levels of what?
[ "hormones", "intelligence", "interdependence", "nonverbal communication" ]
B
sciq
sciq_01_11269
What is a thin layer of bacteria that sticks to a surface?
[ "a monofilm", "a spicule", "a biolfilm", "a choanocyte" ]
C
math_qa
mathqa_03_05934
in a zoo there are 30 penguins , 22 zebras , and 8 tigers with some zookeepers . if the total number of heads are 132 less than the number of feet , the number of zookeepers is
[ "12", "14", "16", "18" ]
A
sciq
sciq_01_04748
What mirrors diverge light rays and, thus, have a negative focal length?
[ "convex", "concave", "diffraction", "curved" ]
A
sciq
sciq_01_10260
What is the purpose of your body's first line of defense?
[ "reject foreign bodies", "fight or flight", "heal wounds", "to keep out pathogens" ]
D
ARC-Easy
arc_04_01695
Which event would most likely result in more food for organisms that are scavengers?
[ "Fish die and sink to the bottom of a pond.", "Trees take up and store water with roots.", "Beavers build a new dam and lodge.", "Plants get more sunshine and water." ]
A
sciq
sciq_01_02885
What term is used to describe the parts of the brain involved in the reception and interpretation of sensory stimuli collectively?
[ "medulla oblongata", "sensorium", "neurons", "glial cells" ]
B
math_qa
mathqa_03_01119
n ^ ( n / 2 ) = 4 is true when n = 4 in the same way what is the value of n if n ^ ( n / 2 ) = 8 ?
[ "4", "8", "2", "6" ]
B
sciq
sciq_01_00092
What percentage of men suffer from some form of erectile dysfunction by age 40?
[ "approximately 10 percent", "approximately 80 percent", "approximately 60 percent", "approximately 40 percent" ]
D
sciq
sciq_01_03161
What produces gametes with different alleles?
[ "chromatids", "prokaryotes", "heterozygotes", "anthocyanins" ]
C
math_qa
mathqa_03_01305
a truck driver starts with the speed of 70 kmph with the truck driver decreasing speed every two hours by 10 kmph . the truck driver ' s speed does not drop below 50 kmph . in how many hours will it take the truck driver to travel 500 kms ?
[ "480 minutes", "492 minutes", "504 minutes", "528 minutes" ]
D
sciq
sciq_01_05411
How many chambers does the stomach of a ruminant have?
[ "1", "5", "4", "3" ]
C
sciq
sciq_01_04939
Maintaining a high metabolic rate takes a lot of what?
[ "power", "fuel", "hydrogen", "energy" ]
D
math_qa
mathqa_03_05449
total dinning bill for 6 people was $ 211.00 . if they add 15 % tip and divided the bill evenly , approximate . what was each persons find share
[ "$ 30.14", "40.44", "34.66", "32.29" ]
B
math_qa
mathqa_03_03982
a can do a piece of work in 15 days . a does the work for 5 days only and leaves the job . b does the remaining work in 10 days . in how many days b alone can do the work ?
[ "5 days", "15 days", "12 days", "9 days" ]
B
math_qa
mathqa_03_03609
in a certain accounting class of 100 students , 70 % of the students took the final exam on the assigned day while the rest of the students took the exam on a make - up date . if the students on the assigned day had an average score of 55 % , and the students on the make - up date had an average score of 95 % , what wa...
[ "60 %", "65 %", "67 %", "70 %" ]
C
math_qa
mathqa_03_00095
a start walking from a place at a uniform speed of 3 kmph in a particular direction . after half an hour , b starts from the same place and walks in the same direction as a at a uniform speed and overtakes a after 1 hour 48 minutes . find the speed of b .
[ "4.7 kmph", "3.6 kmph", "4 kmph", "7 kmph" ]
B
openbookqa
obqa_02_00525
An example of how sunlight is a source of light from the sun is
[ "weather being variable", "raising temps", "windmills producing energy", "frogs croaking" ]
B
math_qa
mathqa_03_00479
what is the probability of getting 53 mondays in a leap year ?
[ "1 / 7", "2 / 7", "3 / 7", "4 / 7" ]
B
math_qa
mathqa_03_04720
a ferry can transport 85 tons of vehicles . automobiles range in weight from 1,800 to 3,200 pounds . what is the greatest number of automobiles that can be loaded onto the ferry ?
[ "23", "41", "48", "90" ]
D
sciq
sciq_01_00265
What are formed by the attraction between oppositely charged ions?
[ "magnetic bonds", "ionic bonds", "soluble bonds", "inept bonds" ]
B
sciq
sciq_01_10479
Fermat's principle states that what will always take the path that takes the least amount of time?
[ "wind", "sound", "electricity", "light" ]
D
openbookqa
obqa_02_02162
A plant needing to photosynthesize will want to be placed nearest to a
[ "fridge", "bed", "skylight", "basement" ]
C
sciq
sciq_01_07429
Asthma, pneumonia, and emphysema are diseases of what system?
[ "digestive", "reproductive", "pulmonary", "respiratory" ]
D
sciq
sciq_01_01952
Communication is any way that animals share what?
[ "information", "genes", "water", "food" ]
A
sciq
sciq_01_02011
What do you call a substance that cannot be broken down to other substances by chemical reactions.?
[ "a compound", "a molecule", "a participate", "an element" ]
D
math_qa
mathqa_03_05311
in a certificate by mistake a candidate gave his height as 10 % more than actual height . in the interview panel , he clarified that his height was 5 feet 5 nches . find the % correction made by the candidate from his stated height to his actual height ?
[ "6.5", "7", "8", "9" ]
A
sciq
sciq_01_05944
How is sediment transported?
[ "landslides", "winds", "storms", "currents" ]
D
sciq
sciq_01_08322
Warm water from the equator mixes with cold water from where?
[ "the tropics", "the oceans", "the poles", "the continents" ]
C
math_qa
mathqa_03_00451
there are 14 slate rocks , 20 pumice rocks , and 10 granite rocks randomly distributed in a certain field . if 2 rocks are chosen at random and without replacement , what is the probability that both rocks will be slate rocks ?
[ "1 / 5", "11 / 22", "81 / 724", "91 / 946" ]
D
sciq
sciq_01_01981
Digestion and respiration are both facilitated by the pharynx, more commonly called the what?
[ "sinus", "throat", "nose", "esophagus" ]
B
ARC-Easy
arc_04_01564
Which of the following is a crucial piece of evidence supporting scientists' theory of how the continents and the ocean basins formed?
[ "Gravitational forces result in the fusion of small atoms.", "A differentiated iron core expresses magnetic properties.", "Currents redistribute heat in an unevenly heated liquid.", "A stream of charged ions disperses lightweight gases." ]
C
openbookqa
obqa_02_04206
____ burns from the energy of ____
[ "death; wind", "a teacandle; wax", "food; water", "water; fire" ]
B
math_qa
mathqa_03_01817
there are 22 students in a class . in how many different ways can a committee of 3 students be formed ?
[ "1180", "1320", "1540", "1760" ]
C
openbookqa
obqa_02_02258
If I yell out to a co worker which occupation would have a scenario where it is impossible to respond for scientific reasons?
[ "astronaut", "lumberjack", "fisherman", "miner" ]
A
sciq
sciq_01_07480
What is a biochemical compound that is a chain of amino acids called?
[ "lipids", "proteins", "hormones", "DNA" ]
B
sciq
sciq_01_07260
What is the natural movement called within your intestines?
[ "fibroblasts", "proteolysis", "progress", "peristalsis" ]
D
sciq
sciq_01_02103
What is water vapor density known as?
[ "density", "humidity", "ambiance", "thickness" ]
B
math_qa
mathqa_03_01983
a van takes 5 hours to cover a distance of 465 km . what speed in kph should the van maintain to cover the same distance in 3 / 2 of the previous time ?
[ "56", "58", "60", "62" ]
D
openbookqa
obqa_02_00320
Two animals with similar diets living in the same environments leads to them
[ "vying for the same prey", "forming a strong friendship", "moving to disparate environments", "adopting different types of diets" ]
A
sciq
sciq_01_08492
What is a soft connective tissue inside pores and cavities in spongy bone?
[ "synovial tissue", "cartilage", "bone marrow", "collagen" ]
C
sciq
sciq_01_02696
What kind of anatomical structure consists of several types of tissues that together carry out particular functions?
[ "frame", "valve", "system", "organ" ]
D
openbookqa
obqa_02_01294
Taking a chicken leg from a deep freezer and placing it on a kitchen counter will
[ "cause it to die", "cause it to unfreeze", "cause it to freeze", "cause it to corrode" ]
B
sciq
sciq_01_07893
What part of a sample can be represented by the mean, median, and mode?
[ "outer tendency", "central tendency", "present tendency", "large tendency" ]
B
sciq
sciq_01_02332
What involves the emission of a particle and/or energy as one atom changes into another?
[ "atomic transformation", "enthalpy", "spontaneous mutation", "radioactive decay" ]
D
math_qa
mathqa_03_03020
the cost price of an article is 55 % of the marked price . calculate the gain percent after allowing a discount of 15 % .
[ "40.5 %", "48.7 %", "54.5 %", "55.6 % %" ]
C
sciq
sciq_01_01587
What structures of the cardiovascular system help regulate body processes by either constricting or dilating?
[ "capillaries", "blood vessels", "muscles", "cartilage" ]
B
sciq
sciq_01_00172
What term is used to describe when a liquid is the temperature at which its equilibrium vapor pressure is equal to the pressure exerted on the liquid by its gaseous surroundings?
[ "evaporating point", "boiling point", "burning point", "freezing point" ]
B
math_qa
mathqa_03_02331
| 8 - 3 | - | 4 - 6 | = ?
[ "3", "2", "1", "0" ]
A
openbookqa
obqa_02_01183
What would burn more quickly?
[ "wet log", "green leaves", "soggy tree trunk", "sun dried branches" ]
D
math_qa
mathqa_03_01302
when leo imported a certain item , he paid a 7 percent import tax on the portion of the total value of the item in excess of $ 1000 . if the amount of the import tax that leo paid was $ 87.50 , what was the total value of the item ?
[ "$ 1600", "$ 1850", "$ 2250", "$ 2400" ]
C
sciq
sciq_01_00694
What part of the body do ants use to detect chemicals?
[ "eyes", "fins", "antennae", "thorax" ]
C
openbookqa
obqa_02_00021
A mouse is being hunted by a Great Horned Owl. The owl watches the mouse carefully, and the mouse is unaware that it is being hunted. The mouse is unable to tell where the owl is, because
[ "the owl is invisible", "the mouse is oblivious", "the mouse is blind", "the owl matches its background" ]
D
sciq
sciq_01_06494
Molar mass is equal to density multiplied by what?
[ "molar weight", "molar energy", "molar volume", "molar gravity" ]
C
sciq
sciq_01_03971
What is the most common pattern of dispersion?
[ "random", "clumped", "uniform", "sporadic" ]
B
sciq
sciq_01_06197
Saturated and unsaturated are the two main kinds of what?
[ "acids", "fats", "sugars", "polymers" ]
B
ARC-Easy
arc_04_00537
An ecosystem is a community of organisms interacting with their physical environment. Why are decomposers an important part of ecosystems?
[ "They break down dead organisms to return nutrients to the soil.", "They produce their own food for survival.", "They play a role in preventing weathering and erosion.", "They provide most of the energy to consumers." ]
A
math_qa
mathqa_03_02207
in a rectangular coordinate system , what is the area of a rectangle whose vertices have the coordinates ( - 5 , 1 ) , ( 1 , 1 ) , ( 1 , - 4 ) and ( - 5 , - 4 ) ?
[ "20'", "30'", "40'", "55'" ]
B
openbookqa
obqa_02_02799
If a pull is strong somewhere, it likely has
[ "snakes", "magnitude", "water", "frames" ]
B
sciq
sciq_01_09862
What area beneath the earth's surface do magma collects?
[ "hot chambers", "magma chambers", "erosion chambers", "underneath chambers" ]
B
sciq
sciq_01_02572
The temperature dependence of solubility can be exploited to prepare what solutions of certain compounds?
[ "instantiated", "supersaturated", "mineralized", "isolated" ]
B
openbookqa
obqa_02_00207
The water in the bowl was gone before the water
[ "on the tray", "in the mug", "on the plate", "on the table" ]
B
ARC-Easy
arc_04_00934
Jennifer has collected rocks while hiking. As she attempts to classify her rocks, which will she put in the pile of sedimentary rocks?
[ "Black-and-gray crystalline rocks", "Shiny rocks with smooth textures", "Rocks with visible pieces of shells in them", "Rocks with small interlocking crystals in them" ]
C
openbookqa
obqa_02_03589
A fawn's colors helps it blend in with the landscape in
[ "Autumn", "oceans", "icy lakes", "Winter" ]
A
sciq
sciq_01_00937
In a single-celled organism such as chlamydomonas, there is no what after fertilization?
[ "germination", "spawning", "mitosis", "meiosis" ]
C
sciq
sciq_01_02177
Energy transfer between what kinds of levels is generally rather inefficient?
[ "producer", "trophic", "apex", "secondary" ]
B
ARC-Challenge
arc_04_03159
Which is most like the way a stem supports a flower?
[ "the way water supports a boat crossing a river", "the way a flagpole supports a flag in the schoolyard", "the way bookends support books on a shelf", "the way a belt supports pants on a person's waist" ]
B
sciq
sciq_01_00286
What are generally divided into prosimian and non-prosimian?
[ "rodents", "carnivores", "primates", "insects" ]
C
sciq
sciq_01_02971
The only invertebrates than can fly belong to what broad group, which is highly successful?
[ "birds", "spiders", "insects", "bats" ]
C
openbookqa
obqa_02_03639
If your were to sit still and stare at the sky for one of the earth's rotations, you will have wasted
[ "half your existence", "1,440 minutes", "your family's week", "2 days" ]
B
openbookqa
obqa_02_04353
To destroy embarrassing evidence you can
[ "clobber it with a whale", "post it on a social network", "discard it in a rubbish bin", "flick it into lava" ]
D
sciq
sciq_01_01702
What has the average global temperature done since the 1900s?
[ "risen", "changed randomly", "decreased", "stayed constant" ]
A
openbookqa
obqa_02_00024
A child will only grow if they are provided with
[ "a bed", "education", "inspiration", "energy" ]
D
openbookqa
obqa_02_04525
A creature exhibiting an instinctive behavior may
[ "use rocks to open shells", "climb trees to reach fruit", "use tools to paint houses", "make trades with other creatures" ]
B
math_qa
mathqa_03_00949
a , b and c completed a piece of work , a worked for 6 days , b for 9 days and c for 4 days . their daily wages were in the ratio of 3 : 4 : 5 . find the daily wages of c , if their total earning was $ 1480 ?
[ "$ 100", "$ 150", "$ 125", "$ 134" ]
A
sciq
sciq_01_04632
At the earth’s surface, the air pressure exerted on you is a result of the weight of what above you?
[ "magnetic force", "humidity", "air", "water" ]
C
sciq
sciq_01_03619
Most sedimentary rocks form from what?
[ "volcanic activity", "erosion", "sediments", "glaciers" ]
C
ARC-Easy
arc_04_00891
What travels through the stem of a plant?
[ "water and food", "food and nectar", "nectar and soil", "soil and water" ]
A
ARC-Easy
arc_04_02006
Which of the following is most likely to make a rock crack and crumble?
[ "dew evaporating on the rock", "leaves decaying on the rock", "snow melting in a crack in the rock", "water freezing in a crack in the rock" ]
D
ARC-Easy
arc_04_01387
A large rock breaks into small pieces within 10 years. Which process is most likely responsible for breaking the large rock into small pieces within 10 years?
[ "steady winds blowing throughout the years", "gentle rain falling during each spring and fall", "lack of rain falling during a four-year drought", "water repeatedly freezing and thawing in a crack" ]
D
math_qa
mathqa_03_01774
pencils , pens and exercise books in a shop are in the ratio of 14 : 4 : 3 . if there are 140 pencils , the number of exercise books in the shop is :
[ "30", "27", "35", "33" ]
A
ARC-Easy
arc_04_00731
Ten people became sick with the flu after attending a school dance. What is the scenario that could best explain how the people got sick?
[ "contact with environmental sources", "contact with an infected animal", "contact with a contaminated object", "contact with an infected person" ]
D