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stringclasses
5 values
sciq
sciq_4
An endocrine disease usually involves the secretion of too much or not enough of what?
[ "enzyme", "metabolite", "sweat", "hormone" ]
D
aqua_train
aqua_train_2485
A trader bought a car at 15% discount on its original price. He sold it at a 40% increase on the price he bought it. What percent of profit did he make on the original price?
[ "A)119", "B)110", "C)112", "D)113", "E)115" ]
A
aqua_train
aqua_train_41736
A rectangular garden is to be twice as long as it is wide. If 300 yards of fencing, including the gate, will completely enclose the garden, what will be the length of the garden, in yards?
[ "A)40", "B)50", "C)60", "D)70", "E)100" ]
E
aqua_train
aqua_train_46134
A train, 130130 metres long travels at a speed of 4545 km/hr crosses a bridge in 3030 seconds. The length of the bridge is
[ "A)270 metres", "B)245 metres", "C)235 metres", "D)220 metres", "E)260 metres" ]
B
aqua_train
aqua_train_28669
The product of all the prime numbers less than 20 is closest to which of the following powers of 10 ?
[ "A)10^9", "B)10^8", "C)10^7", "D)10^6", "E)10^5" ]
C
aqua_train
aqua_train_65023
If 3^20 x 2^20 =6^n what is the value of n?
[ "A)18", "B)20", "C)22", "D)24", "E)26" ]
B
science_train
science_train_4566
Question: Which solution has a higher concentration of blue particles? Hints:
[ "Solution A", "Solution B", "neither; their concentrations are the same" ]
A
science_train
science_train_5498
Question: Think about the magnetic force between the magnets in each pair. Which of the following statements is true? Hints:
[ "The magnetic force is weaker in Pair 2.", "The strength of the magnetic force is the same in both pairs.", "The magnetic force is weaker in Pair 1." ]
B
aqua_train
aqua_train_29241
If a boat is rowed downstream for 500 km in 5 hours and upstream for 240 km in 6 hours, what is the speed of the boat and the river?
[ "A)70 ", "30", "B)30 ", "70", "C)70 ", "70", "D)30 ", "30", "E)80 ", "50" ]
A
aqua_train
aqua_train_61176
A man counted his animals, 80 heads and 240 legs (ducks and goats). how many goats are there?
[ "A)30", "B)40", "C)50", "D)60", "E)70" ]
B
aqua_train
aqua_train_56073
In the storage room of a certain bakery, the ratio of sugar to flour is 5 to 2, and the ratio of flour to baking soda is 10 to 1. If there were 60 more pounds of baking soda in the room, the ratio of flour to baking soda would be 8 to 1. How many pounds of sugar are stored in the room?
[ "A)600", "B)1200", "C)1500", "D)3600", "E)6000" ]
E
aqua_train
aqua_train_16046
If 40% of a number is 28, then the number is
[ "A)number is 60", "B)number is 70", "C)number is 90", "D)number is 80", "E)None of these" ]
B
aqua_train
aqua_train_33787
A started a business with an investment of Rs. 70000 and after 6 months B joined him investing Rs. 120000. If the profit at the end of a year is Rs. 78000, then the share of B is?
[ "A)s.36028", "B)s.36000", "C)s.36003", "D)s.36029", "E)s.24029" ]
B
aqua_train
aqua_train_13634
A, B and C invested Rs.6300, Rs.4200 and Rs.10500 respectively, in a partnership business. Find the share of A in profit of Rs.12100 after a year?
[ "A)3630", "B)2882", "C)2781", "D)2771", "E)9121" ]
A
aqua_train
aqua_train_79972
In one alloy there is 12% chromium while in another alloy it is 10%. 15 kg of the first alloy was melted together with 35 kg of the second one to form a third alloy. Find the percentage of chromium in the new alloy.
[ "A)8.8%", "B)9%", "C)9.2%", "D)8.6%", "E)10.6%" ]
E
aqua_train
aqua_train_46325
The area of a square is equal to five times the area of a rectangle of dimensions 125 cm * 64 cm. What is the perimeter of the square?
[ "A)377", "B)800", "C)278", "D)277", "E)281" ]
B
aqua_train
aqua_train_69437
In a six-sided polygon ZQRSTV ∠Z measures 48° less than the average (arithmetic mean) of the remaining five angles. What does ∠Z equal to, in degrees?
[ "A) 72", "B) 80", "C) 88", "D) 96", "E) 104" ]
B
aqua_train
aqua_train_61535
The average weight of a class of 24 students is 35 kg. If the weight of the teacher be included, the average rises by 400 g. The weight of the teacher is :
[ "A)45", "B)46", "C)47", "D)48", "E)49" ]
A
aqua_train
aqua_train_3422
Right now, the ratio between the ages of Sandy and Molly is 4:3. After 6 years, Sandy’s age will be 34 years. What is Molly's age right now?
[ "A)12", "B)15", "C)18", "D)21", "E)24" ]
D
aqua_train
aqua_train_12650
If a, b, and c are positive integers such that a is divisible by b, and c is divisible by a, which of the following is NOT necessarily an integer?
[ "A)(a + c)/b", "B)(c - a)/b", "C)ca/b", "D)(c + b)/a", "E)cb/a" ]
D
aqua_train
aqua_train_69039
Let's play a game. I have all the ten digits of numbers available. I use all the digits just once to create a number of ten digits. Can you find out what number I have in mind using the following clues? One digit is divisible by 1. Two digits are divisible by 2. Three digits are divisible by 3. Four digits are divisible by 4. Five digits are divisible by 5. Six digits are divisible by 6. Seven digits are divisible by 7. Eight digits are divisible by 8. Nine digits are divisible by 9. Ten digits are divisible by 10.
[ "A)3816547290", "B)3816557290", "C)3816547280", "D)3813547290", "E)3816147290" ]
A
aqua_train
aqua_train_55929
At 15:15 pm railway time, what will be the angle between minute and hour hand?
[ "A)238", "B)360", "C)377", "D)277", "E)291" ]
B
aqua_train
aqua_train_16496
Calculate the percentage gain if a trader bought a bicycle for Rs 950 and sold it for Rs.1500?
[ "A)56.89%", "B)52.89%", "C)59.89%", "D)56.89%", "E)57.89%" ]
E
aqua_train
aqua_train_48879
In a car wheel, three spokes cover 20 degree. Then for the entire car,how many spokes are there?
[ "A)92", "B)128", "C)192", "D)216", "E)232" ]
D
aqua_train
aqua_train_10709
Find the odd man out. 241, 263, 248, 271, 255, 277, 262
[ "A)277", "B)271", "C)263", "D)241", "E)None of these" ]
B
aqua_train
aqua_train_49094
How many times in a day, the hands of a clock are shows opposite directions ?
[ "A)12", "B)20", "C)21", "D)23", "E)22" ]
E
aqua_train
aqua_train_78209
The average age of a husband and a wife is 23 years when they were married five years ago but now the average age of the husband, wife and child is 20 years(the child was born during the interval). What is the present age of the child?
[ "A)5", "B)6", "C)8", "D)4", "E)1" ]
D
aqua_train
aqua_train_50202
Amar takes as much time in running 18 meters as a car takes in covering 48 meters. What will be the distance covered by Amar during the time the car covers 1.6 km?
[ "A)600 m", "B)200 m", "C)300 m", "D)400 m", "E)100 m" ]
A
aqua_train
aqua_train_8096
Zinc and copper are melted together in the ratio 9 : 11. What is the weight of melted mixture, if 31.5 kg of zinc has been consumed in it?
[ "A)58 kg", "B)60 kg", "C)64 kg", "D)70 kg", "E)None" ]
D
aqua_train
aqua_train_66899
A person can walk at a constant rate of 8mph and can bike at a rate of 32mph. If he wants to travel 80 miles in 4 hours using bike and walking at their constant rates, how much distance would he require to walk?
[ "A)20", "B)30", "C)48", "D)60", "E)72" ]
C
aqua_train
aqua_train_26061
Suppose son name is 120,his brother name is 150 and his mother name is 170.find out his father's name???
[ "A)190", "B)200", "C)230", "D)240", "E)250" ]
B
aqua_train
aqua_train_18092
Double of Quarter of 1 percent written as a decimal is :
[ "A)0.003", "B)0.0005", "C)0.25", "D)0.005", "E)None of these" ]
D
science_train
science_train_4851
Question: Which material is this road made of? Hints:
[ "plastic", "asphalt" ]
B
aqua_train
aqua_train_10015
The number of people who purchased book A is twice the number of people who purchased book B. The number of people who purchased both books A and B is 500, which is twice the number of people who purchased only book B. What is the number of people B who purchased only book A?
[ "A)250", "B)500", "C)750", "D)1000", "E)1500" ]
D
aqua_train
aqua_train_34570
One pump drains one-half of a pond in 1 hours, and then a second pump starts draining the pond. The two pumps working together finish emptying the pond in one-half hour. How long would it take the second pump to drain the pond if it had to do the job alone?
[ "A)1 hour", "B)1.2 hour", "C)3 hours", "D)5 hours", "E)6 hours" ]
C
aqua_train
aqua_train_85323
60 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?
[ "A)8 days", "B)6 days", "C)7 days", "D)9 days", "E)12 days" ]
E
science_train
science_train_3176
Question: Is chalk a mineral? Hints:
[ "yes", "no" ]
B
aqua_train
aqua_train_12097
Three hoses work to fill a tub at at different rate. Hose E and B, working together, can fill the tub in 6/5 of an hour. Hoses E and C can fill it in 3/2 an hour. Houses B and C can fill it in 2 hours. How long does it take all 3 hoses, working together, to fill the tub? Edited for accurate solution
[ "A)3/10", "B)2/5", "C)1/2", "D)1", "E)6/5" ]
D
aqua_train
aqua_train_19339
Aravind had $ 2100 left after spending 30 % of the money he took for shopping. How much money did he take along with him?
[ "A)3000", "B)3300", "C)3400", "D)3700", "E)4000" ]
A
aqua_train
aqua_train_10363
Two vessels contains equal number of mixtures milk and water in the ratio 3:2 and 4:1. Both the mixtures are now mixed thoroughly. Find the ratio of milk to water in the new mixture so obtained?
[ "A)1:3", "B)9:13", "C)5:11", "D)7:3", "E)15:4" ]
D
aqua_train
aqua_train_83076
A, B and C invested Rs.6300, Rs.4200 and Rs.10500 respectively, in a partnership business. Find the share of A in profit of Rs.12400 after a year?
[ "A)3630", "B)9232", "C)3720", "D)3720", "E)2813" ]
C
science_train
science_train_5308
Question: Think about the magnetic force between the magnets in each pair. Which of the following statements is true? Hints:
[ "The magnitude of the magnetic force is smaller in Pair 2.", "The magnitude of the magnetic force is the same in both pairs.", "The magnitude of the magnetic force is smaller in Pair 1." ]
C
aqua_train
aqua_train_901
Find the term next in series .... 1, 1/2,3/2,2,5,1/3,16/3,15,12,1/4,25/4,?
[ "A)next number is 48", "B)58", "C)40", "D)43", "E)44" ]
A
sciq
sciq_4
What is the first year of life following birth called?
[ "baby", "childhood", "toddler", "infancy" ]
D
aqua_train
aqua_train_84737
A towel, when bleached, lost 30% of its length and 15% of its breadth. What is the percentage decrease in area?
[ "A)24%", "B)40.5 %", "C)44%", "D)54%", "E)64%" ]
B
aqua_train
aqua_train_90809
The two lines y=x and x=-9 intersect on the coordinate plane. What is the value of the area of the figure formed by the intersecting lines and the x-axis?
[ "A)32.5", "B)36.5", "C)40.5", "D)44.5", "E)48.5" ]
C
aqua_train
aqua_train_34151
If m = ||n – 3| – 2|, for how many values of n is m = 5?
[ "A)5", "B)4", "C)2", "D)3", "E)1" ]
C
aqua_train
aqua_train_65665
A certain board game is played by rolling a pair of fair six-sided dice and then moving one's piece forward the number of spaces indicated by the sum showing on the dice. A player is frozen if her opponent's piece comes to rest in the space already occupied by her piece. If player A is about to roll and is currently nine spaces behind player B, what is the probability that player B will be frozen after player A rolls?
[ "A)1/12", "B)5/36", "C)1/9", "D)1/3", "E)17/36" ]
C
aqua_train
aqua_train_52639
If (1 – 1.5)N = 1, then N =
[ "A) −400", "B) −140", "C) −2", "D) 4", "E) 400" ]
C
ds_train
ds_train_1849
Phytogeography involves the study of the geographical distribution of plant species. Which of the following factors is NOT primarily considered in phytogeography?
[ "A. Climate\nB. Soil types\nC. Plant anatomy\nD. Topography" ]
C
aqua_train
aqua_train_81623
A,B,C invested some money such that capital of C is half of B and capital of B is half of A. If they get a profit of Rs.7000 then profit share of B is
[ "A)Rs.3000", "B)Rs.2000", "C)Rs.2500", "D)Rs.3500", "E)Rs.3600" ]
B
aqua_train
aqua_train_46543
What is the greater of the two numbers whose product is 2560, given that the sum of the two numbers exceeds their difference by 32?
[ "A)A)90", "B)B)100", "C)C)160", "D)D)70", "E)of these" ]
C
aqua_train
aqua_train_81484
Magnabulk Corp sells boxes holding d magnets each. The boxes are shipped in crates, each holding b boxes. What is the price charged per magnet, in cents, if Magnabulk charges n dollars for each crate?
[ "A)100n/(bd)", "B)100bd/n", "C)bd/(100n)", "D)n/(bd)", "E)bd/n" ]
A
sciq
sciq_4
What type of cell layer do flatworms have?
[ "epidermis", "cuticle", "endoderm", "mesoderm" ]
D
science_train
science_train_265
Question: Which solution has a higher concentration of purple particles? Hints:
[ "Solution B", "Solution A", "neither; their concentrations are the same" ]
A
aqua_train
aqua_train_2107
A fort had provision of food for 150 men for 50 days. After 10 days, 25 men left the fort. The number of days for which the remaining food will last, is:
[ "A)29\t1/5", "B)37\t1/4", "C)42", "D)54", "E)48" ]
E
aqua_train
aqua_train_84443
On six consecutive flips of a coin, what is the probability that all six produce the same result?
[ "A)1/16", "B)1/8", "C)1/4", "D)3/8", "E)1/32" ]
E
aqua_train
aqua_train_32582
If it is assumed that 70 percent of those who receive a questionnaire by mail will respond and 300 responses are needed, what is the minimum number of questionnaires that should be mailed?
[ "A)400", "B)428.5", "C)480", "D)500", "E)600" ]
B
aqua_train
aqua_train_28836
Set S has a mean of 16 and a standard deviation of 1.5. We are going to add two additional numbers to Set S. Which pair of numbers would decrease the standard deviation the most?
[ "A){2", "10}", "B){9", "11}", "C){16", "16}", "D){10", "18}", "E){7", "13}" ]
C
aqua_train
aqua_train_62286
Three boys picked up 30 mangoes .In how many ways can they divide them if all mangoes be identical?
[ "A)A)4^30", "B)B)2^30", "C)C)1^30", "D)D)3^30", "E)E)6^30" ]
D
aqua_train
aqua_train_66713
From a pack of cards two cards are drawn one after the other, with replacement. The probability that the first card is a spade and the second card is a jack is?
[ "A)1/50", "B)1/13", "C)1/26", "D)1/52", "E)1/4" ]
D
sciq
sciq_4
The weather conditions in an area over time is also called a what?
[ "biome", "habitat", "landscape", "climate" ]
D
aqua_train
aqua_train_39853
Working at their respective constant rates, Paul, Abdul and Adam alone can finish a certain work in 3, 4, and 5 hours respectively. If all three work together to finish the work, what fraction M of the work will be done by Adam?
[ "A) 1/4", "B) 12/47", "C) 1/3", "D) 5/12", "E) 20/47" ]
B
aqua_train
aqua_train_69288
If 4 women can color 48 m long cloth in 2 days, then 6 women can color 36 m long cloth in
[ "A)2 days", "B)3 days", "C)1 day", "D)4 days", "E)5 days" ]
C
aqua_train
aqua_train_30822
Find the odd man out 864, 420, 200, 94, 40, 16, 6
[ "A)420", "B)200", "C)16", "D)94", "E)6" ]
D
aqua_train
aqua_train_68178
The largest number in a series of consecutive even integers is w. If the number of integers is n, what is the smallest number in terms of w and n?
[ "A)w– 2n", "B)w–n + 1", "C)w– 2(n– 1)", "D)n– 6 + w", "E)w – n/2" ]
C
aqua_train
aqua_train_13889
Some of 45%-intensity red paint is replaced with 25% solution of red paint such that the new paint intensity is 40%. What fraction of the original paint was replaced?
[ "A)2/5", "B)1/4", "C)1/5", "D)1/7", "E)2/3" ]
B
aqua_train
aqua_train_85429
A distributor sells a product through an online store, which take a commission of 20% of the price set by the distributor. The distributor obtains the product from a producer at the price of $18 per item. What is the price that the buyer observers online if the distributor wants to maintain a 20% profit on the cost of the item?
[ "A)$25", "B)$26", "C)$27", "D)$28", "E)$29" ]
C
aqua_train
aqua_train_92273
If the perimeter of a rhombus is 52 cm and one of its diagonals is 24 cm, then the area of the rhombus is
[ "A)100 sq.cm", "B)110 sq.cm", "C)120 sq.cm", "D)130 sq.cm", "E)140 sq.cm" ]
C
aqua_train
aqua_train_76449
In a rectangular axis system, what is the area of a parallelogram with the coordinates: (2,2), (8,2), (3,5), (9,5) ?
[ "A)18.", "B)28.", "C)35.", "D)49.", "E)52." ]
A
aqua_train
aqua_train_35616
The average (arithmetic mean) of y numbers is x. If 25 is added to the set of numbers, then the average will be x - 5. What is the value of y in terms of x ?
[ "A)x/6 - 6", "B)x/6 - 5", "C)x/7 - 5", "D)x/5 - 7", "E)x/5 - 6" ]
E
aqua_train
aqua_train_38806
Four friends decided to go on a vacation to a hill station. During their vacation, they experienced 13 days of heavy snowfall. When it used to snow in the morning, the afternoon was clear and when it used to snow in the afternoon, the day was followed by a clear morning. In total, they had eleven clear mornings and twelve clear afternoons. Is there a way you can calculate the number of days they spent in their vacation?
[ "A)16", "B)21", "C)18", "D)19", "E)25" ]
C
aqua_train
aqua_train_61579
The ratio of radius of a circle and the side of a square is 2 : 7. Find the ratio of their areas:
[ "A)2 : 1", "B)4 : 7", "C)8 : 77", "D)4 : 49", "E)None" ]
D
aqua_train
aqua_train_67580
In a tree, 3/5 of the birds are parrots while the rest are toucans. If 1/3 of the parrots are female and 3/4 of the toucans are female, what fraction of the birds in the tree are male?
[ "A)1/2", "B)2/5", "C)3/5", "D)3/10", "E)7/10" ]
A
aqua_train
aqua_train_61758
In a shop, 40% socks are white and rest are black. 60% socks are made of cotton and rest are made of wool. 25% white socks are made of cotton and 20 of the black socks are made of wool. How many black socks X are made of cotton?
[ "A)100", "B)80", "C)60", "D)50", "E)25" ]
A
aqua_train
aqua_train_1138
For a certain set of numbers, if x is in the set, then x - 3 is also in the set. If the number 4 is in the set , which of the following must also be in the set ? a) 4 b) 1 c) -5
[ "A)a only,", "B)b only,", "C)c only,", "D)a and b only", "E)b and c only" ]
B
aqua_train
aqua_train_40520
Vehicle A covers a certain distance in 8hrs at the speed of 63kmph. What is the average speed of another vehicle B which travels a distance of 60km more than thecar in the same time?
[ "A)40 kmph", "B)50 kmph", "C)55 kmph", "D)60 kmph", "E)70 kmph" ]
E
aqua_train
aqua_train_47817
If the area of circle is 1256 sq cm then its circumference?
[ "A)125", "B)135", "C)140", "D)110", "E)145" ]
B
aqua_train
aqua_train_44850
If a, b and c are even integers, which of the following could be the value of a^2 + b^2 + c^2?
[ "A)a)82", "B)b)84", "C)c)85", "D)d)87", "E)e)90" ]
B
aqua_train
aqua_train_47506
Sonika deposited Rs.8000 which amounted to Rs.9200 after 3 years at simple interest. Had the interest been 3% more. She would get how much?
[ "A)9920", "B)96288", "C)26667", "D)1662", "E)2882" ]
A
aqua_train
aqua_train_49621
Rs.160 contained in a box consists of one rupee, 50 paisa and 25 paisa coins in the ratio 4:5:6. What is the number of 25 paisa coins?
[ "A)277", "B)267", "C)120", "D)110", "E)112" ]
C
aqua_train
aqua_train_62924
If u = (x – 5)^2 + (x + 1)^2 – 6, then y is least when x =
[ "A)-2", "B)-1", "C)0", "D)2", "E)None of the above" ]
D
aqua_train
aqua_train_32128
David buys 100 shares of par value Rs. 8 each, of a company, which pays an annual dividend of 12% at such a price that he gets 10% on his investment. Find the market value of a share.
[ "A)2", "B)4", "C)5", "D)6", "E)9.6" ]
E
sciq
sciq_4
What is the jelly-like material in which the contents of the cell are suspended?
[ "jam", "cortisol", "mitochondrial", "cytosol" ]
D
aqua_train
aqua_train_26152
One-tenth of the students at a nursery school are 4 years old or older. If 20 students have not yet reached their third birthday, and a total of 25 students are not between 3 years old and 4 years old, how many children are in the nursery school?
[ "A)51", "B)20", "C)40", "D)50", "E)55" ]
D
ds_train
ds_train_334
An electron is moving with a velocity \( \vec{v} \) in a uniform magnetic field \( \vec{B} \). Which of the following correctly describes the nature of the force acting on the electron due to the magnetic field?
[ "A. The force is parallel to the velocity.\nB. The force is perpendicular to both the velocity and the magnetic field.\nC. The force is parallel to the magnetic field.\nD. The force is perpendicular to the magnetic field but parallel to the velocity." ]
B
aqua_train
aqua_train_31662
A telephone number contains 10 digit, including a 3-digit area code. Bob remembers the area code and the next 5 digits of the number. He also remembers that the remaining digits are not 0, 1, 2, 3, 5, 6, or 7. If Bob tries to find the number by guessing the remaining digits at random, the probability that he will be able to find the correct number in at most 2 attempts is closest to which of the following?
[ "A)1/9", "B)2/9", "C)1/6", "D)1/18", "E)5/36" ]
B
sciq
sciq_4
Most sedimentary rocks form from what?
[ "volcanic activity", "glaciers", "erosion", "sediments" ]
D
aqua_train
aqua_train_11006
If the set S is composed of the following numbers {99, 100, 100, 105, 106, 116, 123}, which of the following is largest?
[ "A)The average (arithmetic mean) of set S", "B)The median of set S", "C)The mode of set S", "D)The range of set S", "E)The standard deviation of set S" ]
A
aqua_train
aqua_train_47714
A can do a piece of work in 40 days; B can do the same in 30 days. A started alone but left the work after 10 days, then B worked at it for 10 days. C finished the remaining work in 10 days. C alone can do the whole work in?
[ "A)24", "B)77", "C)66", "D)89", "E)12" ]
A
aqua_train
aqua_train_93295
The average amount with a group of seven numbers is Rs. 30. If the newly joined member has Rs. 50 with him, what was the average amount with the group before his joining the group?
[ "A)Rs. 25.6", "B)Rs. 26.6", "C)Rs. 16.6", "D)Rs. 26", "E)Rs. 25" ]
B
aqua_train
aqua_train_49641
A truck covers a distance of 550 metres in 1 minute whereas a bus covers a distance of 33kms in 45minutes. The ratio of their speeds is?
[ "A)1:2", "B)3:4", "C)2:5", "D)3:7", "E)1:3" ]
B
aqua_train
aqua_train_14457
A rectangular field is 72 yards long and 33 yards wide. A fence is needed for the perimeter of the field. Fencing is also needed to divide the field into three square sections. How many feet of fencing are needed? (It is a good idea to make a drawing for this one.)
[ "A)630 ft", "B)830 ft", "C)430 ft", "D)828 ft", "E)830 ft" ]
D
aqua_train
aqua_train_69002
How many positive integers less than 5,000 are evenly divisible by neither 16 nor 21?
[ "A)4,514", "B)4,475", "C)4,521", "D)4,428", "E)4,349" ]
A
aqua_train
aqua_train_24378
The length of the bridge, which a train 135 m long and traveling at 45 km/hr can cross in 30 sec is?
[ "A)235", "B)240", "C)245", "D)250", "E)255" ]
B
ds_train
ds_train_1989
Consider a dataset with N data points, each having D features, and we are using a linear regression model. If we want to compute the Mean Squared Error (MSE) for the model's predictions on the dataset, what is the computational complexity of this operation?
[ "A. O(N)\nB. O(D)\nC. O(ND)\nD. O(N + D)" ]
C
aqua_train
aqua_train_32131
There are some pigeons and hares in a zoo. If heads are counted, there are 200. If legs are counted, there are 580. The number of hares in the zoo is?
[ "A)29", "B)67", "C)90", "D)86", "E)17" ]
C
aqua_train
aqua_train_39003
Find the area of trapezium whose parallel sides are 30 cm and 12 cm long, and the distance between them is 16 cm?
[ "A)288 cm2", "B)277 cm2", "C)285 cm2", "D)336 cm2", "E)340 cm2" ]
D
aqua_train
aqua_train_70902
123 : 36 : : 221 : ?
[ "A)52", "B)69", "C)72", "D)25", "E)32" ]
D
aqua_train
aqua_train_94446
The cash difference between the selling prices of an book at a profit of 2% and 4% is $3. The ratio of the two selling prices is:
[ "A)55:23", "B)52:33", "C)51:52", "D)45:53", "E)51:34" ]
C