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5 values
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5 values
aqua_train
aqua_train_73016
The difference between a positive proper fraction and its reciprocal is 9/20. The fraction is:
[ "A)4/5", "B)5/4", "C)3/5", "D)2/5", "E)3/4" ]
A
aqua_train
aqua_train_68219
The lateral surface area of cuboid length 12 m, breadth 8 m and height 6m.
[ "A)540", "B)240", "C)440", "D)140", "E)340" ]
B
aqua_train
aqua_train_76680
There are 16 teams divided in 4 groups. Every team from each group will play with each other once. The top 2 teams will go to the next round and so on the top two teams will play the final match. Minimum how many matches will be played in that tournament?
[ "A)43", "B)44", "C)45", "D)46", "E)47" ]
A
aqua_train
aqua_train_32922
if the price of a book is first decreased by 30% and then increased by 40%, then the net change in the price will be :
[ "A)10", "B)388", "C)37", "D)29", "E)2" ]
E
aqua_train
aqua_train_73801
How many 1/6s are there in 37 1/2?
[ "A)225", "B)425", "C)520", "D)600", "E)700" ]
A
aqua_train
aqua_train_71839
What distance will be covered by a bus moving at 108 kmph in 30 seconds?
[ "A)287", "B)600", "C)289", "D)276", "E)900" ]
E
aqua_train
aqua_train_64399
The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, then the area of the park (in sq. m) is:
[ "A)30720", "B)153600", "C)15360", "D)307200", "E)153700" ]
B
sciq
sciq_4
What type of receptors, also known as intracellular or cytoplasmic receptors, are found in the cytoplasm of the cell and respond to hydrophobic ligand molecules that are able to travel across the plasma membrane?
[ "external", "essential", "mechanical", "internal" ]
D
aqua_train
aqua_train_90990
A box contains nine bulbs out of which 3 are defective. If four bulbs are chosen at random, find the probability that atleast one bulb is good.
[ "A)125/167", "B)125/186", "C)83/84", "D)125/186", "E)125/128" ]
C
aqua_train
aqua_train_80062
A new savings account offers 5 percent annual interest compounded every 6 months. What would be the total balance in an account after 1 year, if the initial amount in the account were $6000?
[ "A)$80.00", "B)$84.40", "C)$360.00", "D)$6,303.75", "E)$6,365.40" ]
E
aqua_train
aqua_train_29752
By selling a product with 20% profit, how much profit was earned? I. The difference between cost and selling price is Rs. 40. II. The selling price is 120 percent of the cost price.
[ "A)I alone sufficient while II alone not sufficient to answer", "B)II alone sufficient while I alone not sufficient to answer", "C)Either I or II alone sufficient to answer", "D)Both I and II are not sufficient to answe", "E)Both I and II are necessary to answer" ]
A
aqua_train
aqua_train_89488
If f is a function defined for all k by f(k) = k^(2/3)/16, what is f(8 k) in terms of f(k)?
[ "A)1/8 f(k)", "B)5/8 f(k)", "C)4 f(k)", "D)10 f(k)", "E)32 f(k)" ]
C
aqua_train
aqua_train_76390
A train running at the speed of 80 km/hr crosses a pole in 9 sec. What is the length of the train?
[ "A)227 m", "B)150 m", "C)187 m", "D)167 m", "E)200 m" ]
E
aqua_train
aqua_train_76173
Find the remainder R when 12^190 is divided by 1729 ?
[ "A)12", "B)1", "C)1728", "D)1717", "E)4" ]
D
aqua_train
aqua_train_93043
When John can do a work in 15 days and Marry in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is?
[ "A)2/15", "B)3/25", "C)8/15", "D)9/15", "E)None" ]
C
aqua_train
aqua_train_6760
How many words can be formed by using all letters of the word ‘DAUGHTER’ so that the vowels always come together?
[ "A)42", "B)420", "C)470", "D)5400", "E)4320" ]
E
aqua_train
aqua_train_63541
If a and b are integers and (a*b)^5 = 32y, y could be:
[ "A)16", "B)1", "C)8", "D)12", "E)24" ]
B
aqua_train
aqua_train_84759
Sum of the squares of three numbers is 138 and the sum of their products taken two at a time is 131. Find the sum?
[ "A)20", "B)21", "C)24", "D)26", "E)28" ]
A
science_train
science_train_4416
Question: Select the organism in the same species as the Christmas tree worm. Hints:
[ "Nerodia clarkii", "Spirobranchus giganteus", "Python molurus" ]
B
aqua_train
aqua_train_89471
The population of a town increased from 1,62,500 to 2,62,500 in a decade. The average percent increase of population per year is :
[ "A)4.37%", "B)5%", "C)6.154%", "D)8.75%", "E)None of these" ]
C
sciq
sciq_4
What is the age-related disorder that causes the gradual loss of bone density and strength?
[ "mitosis", "arthritis", "fibrosis", "osteoporosis" ]
D
aqua_train
aqua_train_56828
Magnabulk Corp sells boxes holding z magnets each. The boxes are shipped in crates, each holding b boxes. What is the price charged per magnet, in cents, if Magnabulk charges m dollars for each crate?
[ "A)100m/(bz)", "B)100bz/m", "C)bz/(100m)", "D)m/(bz)", "E)bz/m" ]
A
ds_train
ds_train_199
In the context of magnetohydrodynamics and plasma physics, which of the following best describes the tubular pinch effect?
[ "A. The phenomenon where the velocity of a fluid decreases as it moves through a narrower section of a tube.\nB. The compression of plasma or fluid in a cylindrical configuration due to the influence of magnetic fields.\nC. The scattering of light as it passes through a medium with varying refractive indices.\nD. T...
B
sciq
sciq_4
Most autotrophs make their "food" through which process, using the energy of the sun?
[ "glycolysis", "atherosclerosis", "oculitis", "photosynthesis" ]
D
aqua_train
aqua_train_33815
2 gears one with 12 teeth and other one with 14 teeth are engaged with each other. One teeth in smaller and one tooth in bigger are marked and initially those 2 marked teeth are in contact with each other. After how many rotations of the smaller gear with the marked teeth in the other gear will again come into contact ...
[ "A)6", "B)7", "C)8", "D)9", "E)2" ]
A
aqua_train
aqua_train_10263
Find the average of all the numbers between 26 and 54 which are divisible by seven
[ "A)18", "B)38.5", "C)44", "D)50.8", "E)None of these" ]
B
science_train
science_train_468
Question: Which of the following could Hansen's test show? Hints:
[ "how much athletes would sweat in the fabric", "how long it would take the sample fabric to dry after it absorbed one drop of water", "if the sample fabric would absorb one drop of water in less than one second" ]
B
aqua_train
aqua_train_22483
The jogging track in a sports complex is 660 m in circumference. Deepak and his wife start from the same point and walk in opposite directions at 4.5 km/hr and 3.75 km/hr respectively. They will meet for the first time in?
[ "A)5.29 min", "B)5.28 min", "C)5.08 min", "D)4.8 min", "E)5.988 min" ]
D
aqua_train
aqua_train_79754
The length of a rectangle ishalved, while its breadth is tripled. Watis the % change in area?
[ "A)25%", "B)30%", "C)50%", "D)65%", "E)70%" ]
C
aqua_train
aqua_train_2587
A truck owner will refuel his vehicle at a rate of 2 gallons of diesel fuel every 5 seconds. If diesel fuel costs $ 1.25 per gallon, how long will it take for the truck owner to refuel his vehicle with $ 30 worth of diesel fuel?
[ "A)20 seconds", "B)1 minute", "C)1 minute 20 seconds", "D)20 minutes", "E)1 hour 20 minutes" ]
B
aqua_train
aqua_train_4879
If (m-8) is a factor of m^2-sm-24, then s=
[ "A)3", "B)5", "C)6", "D)11", "E)16" ]
B
aqua_train
aqua_train_85577
A work as fast as B. If B can complete a work in 12days independently,the number of days in which A and B can together finish the work in?
[ "A)2days", "B)3days", "C)4days", "D)5days", "E)6days" ]
C
aqua_train
aqua_train_56325
A tyre has two punctures. The first puncture along would have made the tyre flat in 9 minutes and the second alone would have done it in 6 minutes. If air leaks out at a constant rate, how long does it take both the punctures together to make it flat?
[ "A)1 1⁄2 minutes", "B)3 1⁄2 minutes", "C)3 3⁄5 minutes", "D)4 1⁄4 minutes", "E)None of these" ]
C
science_train
science_train_4473
Question: Which property matches this object? Hints:
[ "scratchy", "blue" ]
A
aqua_train
aqua_train_41165
A batsman makes a score of 87 runs in the 17th inning and thus increases his averages by 3.Find his average after 17th inning?
[ "A)19", "B)29", "C)39", "D)49", "E)59" ]
C
sciq
sciq_4
What term is used to describe the organism that is invaded and often harmed by a pathogen?
[ "guardian", "initial", "parent", "host" ]
D
aqua_train
aqua_train_20931
The circumference of a circle is equal to 72 pi. Find the radius of this circle.
[ "A)32", "B)33", "C)36", "D)37", "E)39" ]
C
aqua_train
aqua_train_17406
A cistern can be filled by a tap in 4 hours while it can be emptied by another tap in 9 hours. If both the taps are opened simultaneously, then after how much time will the cistern get filled?
[ "A)7.3 hrs", "B)7.9 hrs", "C)7.1 hrs", "D)7.2 hrs", "E)7.8 hrs" ]
D
sciq
sciq_4
What type of diseases in humans are caused by protozoa?
[ "protozoa diseases", "dysentery", "diarrhea", "protist diseases" ]
D
aqua_train
aqua_train_29023
Two machines, Y and Z, work at constant rates producing identical items. Machine Y produces 5 items in the same time Machine Z produces 2 items. If machine Y takes 9 minutes to produce a batch of items, how many minutes does it take for machine Z to produce the same number of items?
[ "A)6", "B)9", "C)9 1/2", "D)22.5", "E)13 1/2" ]
D
aqua_train
aqua_train_69499
If each of 4 subsidiaries of Corporation R has been granted a line of credit of $791,000 and each of the other 3 subsidiaries of Corporation R has been granted a line of credit of $112,000, what is the average (arithmetic mean) line of credit granted to a subsidiary of Corporation R?
[ "A) $500,000", "B) $448,000", "C) $406,000", "D) $313,600", "E) $116,000" ]
A
aqua_train
aqua_train_48603
It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train to that of the car is?
[ "A)3:6", "B)3:1", "C)3:4", "D)3:9", "E)3:2" ]
C
sciq
sciq_4
What is produced when haploid gametes fuse in sexual reproduction?
[ "deformity", "cell cluster", "isolated zygote", "diploid zygote" ]
D
aqua_train
aqua_train_34009
The prime sum of an integer n greater than 1 is the sum of all the prime factors of n, including repetitions. For example , the prime sum of 12 is 7, since 12 = 2 x 2 x 3 and 2 +2 + 3 = 7. For which of the following integers is the prime sum greater than 34 ?
[ "A)440", "B)512", "C)550", "D)620", "E)750" ]
D
aqua_train
aqua_train_18991
A paper is in a square form whose one side is 20 cm. Two semi circles are drawn on its opposites as diameters. If these semi circles are cut down what is the area of the remaining paper?
[ "A)(400 - 100π) cm2", "B)(400 - 2π) cm2", "C)(400 – 200π) cm2", "D)200π cm2", "E)None of these" ]
A
ds_train
ds_train_625
Paleogenetics involves the study of genetic materials extracted from ancient specimens. What is the primary method used to amplify DNA sequences in paleogenetic studies, enabling scientists to study small and degraded DNA samples?
[ "A. Southern Blotting\nB. Sanger Sequencing\nC. Polymerase Chain Reaction (PCR)\nD. CRISPR-Cas9" ]
C
aqua_train
aqua_train_14648
Ms. Williams sold two properties, X and Y, for $20,000 each. She sold property X for 20 % more than she paid for it and sold property Y for 20% less than she paid for it. If expenses are disregarded , what was her total net gain or loss, if any, on the two properties ?
[ "A)$1600.67", "B)$1500.67", "C)$1450.67", "D)$1706.67", "E)$1666.67" ]
E
aqua_train
aqua_train_84899
If an article is sold at 19% profit instead of 12% profit, then the profit would be Rs. 105 more. What is the cost price?
[ "A)3388", "B)2788", "C)1500", "D)2792", "E)7791" ]
C
aqua_train
aqua_train_82289
Which is better investment: 11% stock at 143 or 9% stock at 117?
[ "A)9 3/4% stock at 119", "B)9 3/4% stock at 117", "C)9 3/4% stock at 112", "D)9 3/4% stock at 118", "E)9 3/4% stock at 111" ]
B
aqua_train
aqua_train_49215
Each digit in the two-digit number G is halved to form a new two-digit number H. Which of the following numbers could be the sum of G and H?
[ "A)156", "B)150", "C)137", "D)132", "E)89" ]
D
sciq
sciq_4
Designed to support the weight of the upper body when sitting and transfer this weight to the lower limbs when standing, what body structure consists of four bones: right and left hip bones, sacrum, and coccyx?
[ "tissues", "Chest", "lungs", "pelvis" ]
D
aqua_train
aqua_train_45006
60 is subtracted from 50% of a number, the result is 10. Find the number?
[ "A)150", "B)120", "C)266", "D)288", "E)271" ]
B
aqua_train
aqua_train_4734
Of the employees in a company, 40 % are female who have a master degree. If 40 % of the female employees do not have a master degree, what percent of the employees in the company are female?
[ "A)66.67%", "B)67.67%", "C)68.67%", "D)65.67%", "E)64.67%" ]
A
aqua_train
aqua_train_19380
In how many ways the word ENGINEERING can be arranged so that no vowel come together???
[ "A)273000", "B)283000", "C)293000", "D)263000", "E)253000" ]
A
aqua_train
aqua_train_18912
4^15 is equal to which of the following?
[ "A)1,073,751,828", "B)1,073,751,824", "C)1,073,751,842", "D)1,073,751,806", "E)1,073,751,821" ]
B
science_train
science_train_5808
Question: Using only these supplies, which question can Francesca investigate with an experiment? Hints:
[ "Do scented candles or unscented candles produce more smoke?", "Do candles with thick wicks or with thin wicks produce more smoke?", "Do large candles or small candles produce more smoke?" ]
B
aqua_train
aqua_train_71477
x is the smallest integer greater than 1000 that is not prime and that has only one factor in common with 30!. What is x?
[ "A)1009", "B)1021", "C)1147", "D)1273", "E)50! + 1" ]
C
aqua_train
aqua_train_54127
In how many ways can a committee of 4 people comprising at least 3 boys be formed using a group of 5 boys and 6 girls?
[ "A)67", "B)64", "C)65", "D)66", "E)None of these" ]
C
aqua_train
aqua_train_60013
What annual payment will discharge a debt of Rs. 1025 due in 2 years at the rate of 5% compound interest?
[ "A)Rs. 551.29", "B)Rs. 551.25", "C)Rs. 551.21", "D)Rs. 551.22", "E)Rs. 551.23" ]
B
aqua_train
aqua_train_106
A vessel is filled with liquid, 3 parts of which are water and 5 parts syrup. How much of the mixture must be drawn off and replaced with water so that the mixture may be half water and half syrup?
[ "A)1/3", "B)1/4", "C)1/5", "D)1/7", "E)1/8" ]
C
aqua_train
aqua_train_20059
A certain mixture of nuts consists of 5 parts almonds to 2 parts walnuts, by weight. What is the number of pounds of almonds in 350 pounds of the mixture ?
[ "A) 250", "B) 84", "C) 40", "D) 28", "E) 20" ]
A
aqua_train
aqua_train_52529
The average age of a class of 32 students is 16 yrs. if the teacher's age is also included, the average increases by one year. Find the age of the teacher
[ "A)49", "B)48", "C)47", "D)50", "E)52" ]
A
aqua_train
aqua_train_36315
Two trains each 210m in length each, are running on two parallel lines in opposite directions. If one goes at the speed of 90km/h while the other travels at 85km/h. how long will it take for them to pass each other completely.
[ "A)3 sec", "B)2.6 sec", "C)3.6 sec", "D)8.6 sec", "E)7.6 sec" ]
D
aqua_train
aqua_train_57829
A boat with speed 15 km/hr in standing water goes 30 km downstream and returns in a total of 4.5 hours. What is the speed of current?
[ "A)8kmph", "B)6kmph", "C)4kmph", "D)5 kmph", "E)1kmph" ]
D
aqua_train
aqua_train_16695
On the independence day, bananas were be equally distributed among the children in a school so that each child would get two bananas. On the particular day 390 children were absent and as a result each child got two extra bananas. Find the actual number of children in the school?
[ "A)237", "B)780", "C)197", "D)287", "E)720" ]
B
science_train
science_train_5060
Question: What information supports the conclusion that Jon acquired this trait? Hints:
[ "Jon learned to identify insects by reading many books about insects.", "Jon likes to look at butterflies and beetles." ]
A
aqua_train
aqua_train_31539
In the next Cricket World Cup T-20, Team A has decided to score 200 runs only through 4s and 6s. In how many ways can the Team A score these 200 runs?
[ "A)13", "B)15", "C)16", "D)17", "E)18" ]
D
aqua_train
aqua_train_87869
if m>0 and a is m percent of b, then, in terms of m, b is what percent of a?
[ "A)a)100m", "B)b)1/10^-4m", "C)c)1/m", "D)d)10/m", "E)e)10,000/m" ]
B
aqua_train
aqua_train_58936
Find large number from below question The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and the 15 as remainder
[ "A)1235", "B)1345", "C)1450", "D)1567", "E)1635" ]
E
aqua_train
aqua_train_45129
Ratio of the ages of Mahesh and Nilesh is 5 : x. Mahesh is 18 years younger to Ramesh. After nine years Ramesh will be 47 years old. If the difference between the ages of Mahesh and Nilesh is same as the age of Ramesh, what is the value of x?
[ "A)13.9", "B)16.5", "C)14.7", "D)12.5", "E)14.5" ]
E
aqua_train
aqua_train_68423
The number of words from the letters of the words BHARAT in which B and H will never come together, is
[ "A)360", "B)240", "C)120", "D)None of these", "E)Cannot be determined" ]
B
aqua_train
aqua_train_15499
If 100<x<199 and 20<y<100, then the product xy CANNOT be equal to:
[ "A)1900", "B)19,303", "C)19,356.732", "D)19,502", "E)19,909" ]
A
aqua_train
aqua_train_66504
Angles AMB and CMD are right angles, ∠AMD is acute, and ∠BMC=y° is acute. What is ∠AMD ?
[ "A)90°−y", "B)180°−y", "C)90°+y", "D)2y", "E)y" ]
E
aqua_train
aqua_train_70847
A, B and C have Rs.500 between them, A and C together have Rs.200 and B and C Rs.350. How much does C have?
[ "A)50", "B)78", "C)267", "D)29", "E)27" ]
A
science_train
science_train_2845
Question: Does this passage describe the weather or the climate? Hints:
[ "climate", "weather" ]
A
sciq
sciq_4
Each group of organisms went through its own evolutionary journey, called what?
[ "anomalous", "zoology", "superfamily", "phylogeny" ]
D
aqua_train
aqua_train_60866
ABCD is a square where AB =√6000. Let X be a point on AB and Y be a point on CD such that AX = CY . Compute the area of trapezoid AXYD.
[ "A)3008", "B)2002", "C)1008", "D)2016", "E)3000" ]
E
aqua_train
aqua_train_50019
A family X went for a vacation. Unfortunately it rained for 13 days when they were there. But whenever it rained in the mornings, they had clear afternoons and vice versa. In all they enjoyed 11 mornings and 12 afternoons. How many days did they stay there totally?
[ "A)15 days", "B)16 days", "C)17 days", "D)18 days", "E)19 days" ]
D
science_train
science_train_6247
Question: Based on this information, what is Asgore's genotype for the wool color gene? Hints:
[ "white wool", "Ll" ]
B
aqua_train
aqua_train_31741
If a solid sphere of radius 10 cms is moulded into 8 spherical solid balls of equal radius, then surface area of each ball (in sq.cm) is ?
[ "A)100 π", "B)101/π", "C)99 π/12", "D)54/13π", "E)22/10π" ]
A
ds_train
ds_train_952
In the context of supervised learning, what is the primary reason for splitting the dataset into training and validation sets?
[ "A. To reduce the computational cost during training.\nB. To ensure that the model performs well on unseen data.\nC. To increase the size of the dataset for training.\nD. To apply feature scaling more effectively." ]
B
science_train
science_train_4686
Question: Is the following trait inherited or acquired? Amanda has a scar on her left hand. Hints:
[ "inherited", "acquired" ]
B
aqua_train
aqua_train_29896
What is the volume of an tetrahedron with edge length of 1?
[ "A)sqr(2)/12 = 0.11785113", "B)sqr(2)/14=0.13571785", "C)sqr(2)/12=0.15798562", "D)sqr(2)/13=0.21254478", "E)sqr(2)/12=0.12457896" ]
A
aqua_train
aqua_train_9079
P is three times as old as Q. In 9 years, P will be twice as old as Q. How old was P three years ago?
[ "A)18", "B)21", "C)24", "D)27", "E)30" ]
C
aqua_train
aqua_train_16466
0.0203 x 2.92/0.0073 x 14.5 x 0.7 = ?
[ "A)0.7", "B)0", "C)0.8", "D)8", "E)7" ]
C
aqua_train
aqua_train_34120
one prototyping machine can make 10 copies every 4 seconds. At this rate, How many copies can the machine make in 6 min.?
[ "A)900", "B)600", "C)360", "D)240", "E)150" ]
A
aqua_train
aqua_train_66817
Find the missing number. 1, 4, 9, 16, 25, 36, 49, (....)
[ "A)64", "B)54", "C)56", "D)81", "E)85" ]
A
aqua_train
aqua_train_14877
Seven cards numbered from 1 to 7 are placed in an empty bowl. First one card is drawn and then put back into the bowl, and then a second card is drawn. If the cards are drawn at random and if the sum of the numbers on the cards is 10, what is the probability that one of the two cards drawn is numbered 4?
[ "A)2/7", "B)1/10", "C)1/7", "D)1/5", "E)2/5" ]
E
aqua_train
aqua_train_50914
When a number is first increased by 20% and then reduced by 20%, The number is:
[ "A)Does not change", "B)Decreases by 4%", "C)Increases by 4%", "D)None of these", "E)Cannot be determined" ]
B
aqua_train
aqua_train_18900
A factory produces 4560 toys per week. If the workers at this factory work 4 days a week and if these workers make the same number of toys everyday, how many toys are produced each day?
[ "A)1140 toys", "B)2375 toys", "C)3375 toys", "D)4375 toys", "E)5375 toys" ]
A
aqua_train
aqua_train_60221
If a and b are integers and (2^a)(3^b) is a factor of 300^40, what is the largest possible value of ab?
[ "A)a", "B)5a", "C)20a", "D)40a", "E)80a" ]
A
aqua_train
aqua_train_96284
Find the invalid no.from the following series 15 46 63 71 75 77 78
[ "A)15", "B)46", "C)71", "D)75", "E)78" ]
B
aqua_train
aqua_train_9891
If a trader sold two cars each at Rs. 325475 and gains 15% on the first and loses 15% on the second, then his profit or loss percent on the whole is?
[ "A)1.44%", "B)1.74%", "C)1.84%", "D)1.97%", "E)2.25%" ]
E
aqua_train
aqua_train_97167
When Tom works alone he chops 2 lb. salad in 3 minutes, and when Tammy works alone she chops 3 lb. salad in 2 minutes. They start working together, and after some time finish chopping 65 lb. of salad. Of those 80 lb., the salad quantity chopped by Tom is what percent lesser than the quantifying chopped by Tammy?.
[ "A)44%", "B)100%", "C)105%", "D)225%", "E)125%" ]
E
aqua_train
aqua_train_51520
A train 200 m long can cross an electric pole in 5 sec and then find the speed of the train?
[ "A)114", "B)124", "C)134", "D)144", "E)154" ]
D
aqua_train
aqua_train_73251
What is the greatest number of four digits which is divisible by 15, 25, 40 and 75 ?
[ "A)9600", "B)9800", "C)9700", "D)9620", "E)9670" ]
A
aqua_train
aqua_train_92693
What is the square root of 16?
[ "A)8", "B)4", "C)35", "D)42", "E)86" ]
B
aqua_train
aqua_train_83721
How many seconds will a 500 m long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 75 km/hr?
[ "A)25", "B)30", "C)99", "D)88", "E)61" ]
A
sciq
sciq_4
What substance comes toward earth's crust through mantle plumes?
[ "rocks", "water", "gas", "magma" ]
D
aqua_train
aqua_train_80387
Two trains, each 100 m long, moving in opposite directions, cross each other in 8 seconds. If one is moving twice as fast the other, then the speed of the faster train is:
[ "A)30 km/hr", "B)45 km/hr", "C)60 km/hr", "D)75 km/hr", "E)65 km/hr" ]
C