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5 values
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6
18
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stringclasses
5 values
aqua_train
aqua_train_79448
The edges of a cuboid are 4 cm, 5 cm and 6 cm. Find the volume of the cuboid?
[ "A)120", "B)278", "C)378", "D)368", "E)367" ]
A
aqua_train
aqua_train_68692
One ball is picked up randomly from a bag containing 8 yellow, 7 blue and 6 black balls. What is the probability that it is neither yellow nor black?
[ "A)1/3", "B)1/4", "C)1/2", "D)3/4", "E)1/5" ]
A
aqua_train
aqua_train_61768
A theater charges $12 for seats in the orchestra and $8 for seats in the balcony. On a certain night, a total of 370 tickets were sold for a total cost of $3,320. How many more tickets were sold that night for seats in the balcony than for seats in the orchestra?
[ "A) 90", "B) 190", "C) 120", "D) 130", "E) 220" ]
B
aqua_train
aqua_train_48973
The value of x + x(x^x) when x = 6 is
[ "A)279942", "B)245872", "C)434323", "D)278879", "E)342333" ]
A
aqua_train
aqua_train_85425
An article is bought for Rs.750 and sold for Rs.700, find the loss percent?
[ "A)6 2/5%", "B)6 2/9%", "C)6 5/3%", "D)6 3/3%", "E)6 2/3%" ]
E
aqua_train
aqua_train_11134
Angelo and Isabella are both salespersons. In any given week, Angelo makes $570 in base salary plus 8 percent of the portion of his sales above $1,000 for that week. Isabella makes 10 percent of her total sales for any given week. For what amount of weekly sales would Angelo and Isabella earn the same amount of money?
[ "A)23,500", "B)24,500", "C)25,500", "D)26,500", "E)27,500" ]
B
aqua_train
aqua_train_74219
How many multiples of 5 are there between 5 to 90?
[ "A)9", "B)16", "C)17", "D)none of these", "E)Cannot be determined" ]
B
sciq
sciq_4
What do skeletal muscles enable the body to do?
[ "breathe", "look", "eat", "move" ]
D
aqua_train
aqua_train_92485
What is the remainder when 1003 * 1005 * 1007 is divided by 15
[ "A)3", "B)17", "C)14", "D)0", "E)7" ]
D
aqua_train
aqua_train_85620
The average of 6 no.'s is 6.40. The average of 2 of them is 6.2, while the average of the other 2 is 6.1. What is the average of the remaining 2 no's?
[ "A)2.3", "B)2.6", "C)6.9", "D)4.5", "E)4.6" ]
C
aqua_train
aqua_train_85847
By investing Rs. 1620 in 8% stock, Michael earns Rs. 135. The stock is then quoted at:
[ "A)Rs. 80", "B)Rs. 96", "C)Rs. 106", "D)Rs. 108", "E)Rs. 118" ]
B
aqua_train
aqua_train_15045
16.02 × 0.001 = ?
[ "A)0.1602", "B)0.001602", "C)1.6021", "D)0.01602", "E)None of these" ]
D
aqua_train
aqua_train_67630
If x is less than y by 45% then y exceed x by:
[ "A)33.33%", "B)25%", "C)81.81%", "D)66.66%", "E)None of these" ]
C
sciq
sciq_4
What can reproduce by infecting the cell of a living host?
[ "bacteria", "mucus", "carcinogens", "virus" ]
D
aqua_train
aqua_train_87307
When integer K is divided by 15, the remainder is 5. Which of the following has a remainder of 10 when divided by 15 ? I. 3K II. 4K+10 III. 5K IV. 2K V .6K II. 5n III. 4n + 10
[ "A)II", "B)I", "C)III", "D)V", "E)IV" ]
C
aqua_train
aqua_train_8798
The slant height of a cone is 18 cm and radius of the base is 8cm, find the curved surface of the cone?
[ "A)26", "B)452", "C)450", "D)440", "E)28" ]
B
aqua_train
aqua_train_18534
A man can swim in still water at 4 km/h, but takes twice as long to swim upstream than downstream. The speed of the stream is?
[ "A)1.3", "B)7.5", "C)2.25", "D)1.5", "E)4" ]
A
aqua_train
aqua_train_70866
A store reported total sales of $480 million for February of this year. If the total sales for the same month last year was $320 million, approximately what was the percent increase in sales?
[ "A)2%", "B)17%", "C)50%", "D)65%", "E)83%" ]
C
aqua_train
aqua_train_43820
A box measuring 35 inches long by 20 inches wide by 10 inches deep is to be filled entirely with identical cubes. No space is to be left unfilled. What is the smallest number of cubes that can accomplish this objective?
[ "A)17", "B)18", "C)54", "D)56", "E)864" ]
D
aqua_train
aqua_train_48073
How many even three-digit integers greater than 700 are there such that all their digits are different?
[ "A)40", "B)72", "C)80", "D)112", "E)120" ]
D
aqua_train
aqua_train_9698
A dishonest dealer professes to sell goods at the cost price but uses a weight of 780 grams per kg, what is his percent?
[ "A)28%", "B)25%", "C)55%", "D)28%", "E)28.2%" ]
E
aqua_train
aqua_train_49003
A reduction of 40% in the price of bananas would enable a man to obtain 64 more for Rs.40, what is reduced price per dozen?
[ "A)328", "B)27", "C)3", "D)8", "E)2" ]
C
sciq
sciq_4
What part of the plant holds the plant upright?
[ "roots", "leaves", "notochord", "the stem" ]
D
science_train
science_train_1057
Question: Using only these supplies, which question can Emilia investigate with an experiment? Hints:
[ "Do the deer eat fewer leaves from bean plants sprayed with garlic spray than from unsprayed bean plants?", "Do the deer eat fewer leaves from bean plants sprayed with coffee spray than from unsprayed bean plants?", "Do the deer eat more leaves from tomato plants or from squash plants?" ]
A
aqua_train
aqua_train_45276
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 Z are made of cotton?
[ "A)100", "B)80", "C)60", "D)50", "E)25" ]
A
aqua_train
aqua_train_67176
Solve x2 – 3x – 4 = 0.
[ "A)1,4", "B)-1,4", "C)2,3", "D)2,4", "E)2,6" ]
B
aqua_train
aqua_train_55507
If a is a positive integer, then 5^a+1^a =?
[ "A)Cannot be determined", "B)1+(5^a)", "C)2a", "D)2a^(a + 1)", "E)None" ]
B
aqua_train
aqua_train_79895
A certain musical scale has has 13 notes, each having a different frequency, measured in cycles per second. In the scale, the notes are ordered by increasing frequency, and the highest frequency is twice the lowest. For each of the 12 lower frequencies, the ratio of a frequency to the next higher frequency is a fixed c...
[ "A)440", "B)440 * sqrt (2)", "C)400 * sqrt (3)", "D)450 * sqrt (4)", "E)440 * sqrt (5)" ]
B
aqua_train
aqua_train_89391
How many prime numbers between 1 and 100 are factors of 7,150?
[ "A)One", "B)Two", "C)Three", "D)Four", "E)Five" ]
D
aqua_train
aqua_train_9354
Solve this logic number sequence puzzle by the correct digit 8080 = 6 1357 = 0 2022 = 1 1999 = 3 6666 = ?
[ "A)4", "B)2", "C)5", "D)7", "E)8" ]
A
aqua_train
aqua_train_83773
Firm A's revenues are described by the equation Ra = 17.12x and its costs by Ca = 12.87x + 2400. Firm B's revenues are described by the equation Rb = 13.27x and its costs by Cb = 8.77x + 1500. (x denotes the quantity of sales). If A's volume of sales increases from 1000 to 3000 over the same period that B's volume incr...
[ "A)20%", "B)30%", "C)60%", "D)50%", "E)33%" ]
B
aqua_train
aqua_train_17236
If A's height is 30% less than that of B, how much percent B's height is more than that of A?
[ "A)42.85%", "B)66.68%", "C)66.766%", "D)86.66%", "E)66.65%" ]
A
aqua_train
aqua_train_80550
Mohan purchased 15 kgs of rice at the rate of Rs.25 per kg and 8 kgs of pulses at the rate of Rs.25 per kg. Whaat is the total amount that he paid to the shopkeeper?
[ "A)A)Rs.598", "B)B)Rs.575", "C)C)Rs.596", "D)D)Rs.595", "E)None of these" ]
B
aqua_train
aqua_train_42311
In one hour,a boat goes 8 km along the stream and 2 km against the stream.The speed of the boat in still water (in km/hr) is :
[ "A)3", "B)5", "C)8", "D)9", "E)10" ]
B
aqua_train
aqua_train_69760
A candidate scoring 25% in an examination fails by 30 marks , while another candidate scores 50 % mark, gets 20 marks more than the minimum pass marks . Find the minimum pass marks. Find the minimum pass percentage.
[ "A)40", "B)50", "C)60", "D)25", "E)30" ]
A
aqua_train
aqua_train_70135
What is the average (arithmetic mean) of all the multiples of ten from 10 to 160 inclusive?
[ "A)90", "B)95", "C)70", "D)105", "E)110" ]
C
aqua_train
aqua_train_69896
A train 700 m long passes a man, running at 20 km/hr in the same direction in which the train is going, in 40 sec. The speed of the train is?
[ "A)40 km/hr", "B)41 km/hr", "C)42 km/hr", "D)43 km/hr", "E)44 km/hr" ]
D
aqua_train
aqua_train_44539
A salt manufacturing company produced a total of 5000 tonnes of salt in January of a particular year. Starting from February its production increased by 150 tonnes every month over the previous months until the end of the year. Find its average monthly production for that year?
[ "A)2989", "B)2765", "C)5800", "D)2989", "E)9772" ]
C
aqua_train
aqua_train_68138
If taxi fares were $1.00 for the first 1/5 mile and $0.50 for each 1/5 mile there after, then the taxi fare for a 3-mile ride was
[ "A)$1.56", "B)$2.40", "C)$3.80", "D)$4.20", "E)$8.00" ]
E
aqua_train
aqua_train_38420
The probability that A speaks truth is 15/23 and that of B speaking truth is 17/29. What is the probability that they agree in stating the same fact?
[ "A)182/395", "B)129/289", "C)197/353", "D)479/667", "E)None of these" ]
D
aqua_train
aqua_train_49390
A can do a piece of work in 28 days and B alone can do it in 10 days. B works at it for 5 days and then leaves. A alone can finish the remaining work in
[ "A)5days", "B)6days", "C)7.5days", "D)14days", "E)9days" ]
D
aqua_train
aqua_train_26031
Peter and Paul are two friends. The sum of their ages is 35 years. Peter is twice as old as Paul was when Peter was as old as Paul is now. What is the present age of Peter?
[ "A)20", "B)25", "C)30", "D)35", "E)40" ]
A
aqua_train
aqua_train_66165
A person incurs a loss of 5% be selling a watch for Rs. 1140. At what price should the watch be sold to earn 5% profit.
[ "A)Rs.1200", "B)Rs.1230", "C)Rs.1260", "D)Rs.1290", "E)Rs.1270" ]
C
aqua_train
aqua_train_56792
Rodrick mixes a martini that has a volume of 'n' ounces having 36% Vermouth and 60% Gin by volume. He wants to change it so that the martini is 25% Vermouth by volume. How many ounces of Gin must he add?
[ "A)n/6", "B)n/3", "C)4n/9", "D)5n/6", "E)8n/5" ]
C
aqua_train
aqua_train_93202
A Taxi Company marks their tickets 30% more than the real price and allows 30% discount. Company's loss is:
[ "A)6%", "B)7%", "C)8%", "D)9%", "E)None of these" ]
D
aqua_train
aqua_train_88235
A, B and C started a business A's investment is 2 times of B's investment is 5 times of C's investment. Find the profit of B in the total profit of Rs. 25600.
[ "A)Rs. 25600", "B)Rs. 8500", "C)Rs. 7200", "D)Rs. 8000", "E)None of these" ]
D
aqua_train
aqua_train_15281
How many positive integers less than 50 are there such that they are multiples of 9?
[ "A)5", "B)6", "C)4", "D)8", "E)3" ]
A
sciq
sciq_4
What causes natural ripening in fruit?
[ "sulfur", "chloride", "acid", "ethylene" ]
D
aqua_train
aqua_train_82832
There are cats got together and decided to kill the mice of 999975. Each cat kills equal number of mice and each cat kills more number of mice than cats there were. Then what are the number of cats?
[ "A)941,1009", "B)991,1001", "C)995,1005", "D)791,1009", "E)931,1009" ]
C
aqua_train
aqua_train_8868
The dimensions of a room are 25 feet * 15 feet * 12 feet. What is the cost of white washing the four walls of the room at Rs. 6 per square feet if there is one door of dimensions 6 feet * 3 feet and three WINDOWS of dimensions 4 feet * 3 feet each?
[ "A)4000", "B)345", "C)5436", "D)4530", "E)4566" ]
C
aqua_train
aqua_train_95513
what is the next term of this series6,10,9...?
[ "A)9", "B)10", "C)11", "D)12", "E)15" ]
E
aqua_train
aqua_train_11162
If 20 typists can type 50 letters in 30 minutes, then how many letters will 40 typists working at the same rate complete in 1 hour?
[ "A)400", "B)500", "C)350", "D)250", "E)200" ]
A
aqua_train
aqua_train_94946
Tanks A and B are each in the shape of a right circular cylinder. The interior of tank A has a height of 10 meters and a circumference of 7 meters, and the interior of tank B has a height of 7 meters and a circumference of 10 meters. The capacity of tank A is what percent of the capacity of tank B?
[ "A)70%", "B)80%", "C)100%", "D)120%", "E)125%" ]
A
aqua_train
aqua_train_68665
P is four times as fast as Q and working together, they can complete a work in 15 days. In how many days can Q alone complete the work?
[ "A)5 1/4 days", "B)8 3/4 days", "C)16 1/4 days", "D)25 days", "E)18 days" ]
B
science_train
science_train_6061
Question: Which of the following organisms is the tertiary consumer in this food web? Hints:
[ "sea otter", "sea urchin", "phytoplankton", "kelp bass" ]
D
aqua_train
aqua_train_24756
The dimensions of a room are 25 feet * 15 feet * 12 feet. What is the cost of white washing the four walls of the room at Rs. 5 per square feet if there is one door of dimensions 6 feet * 3 feet and three windows of dimensions 4 feet * 3 feet each?
[ "A)Rs.4538", "B)Rs.4518", "C)Rs.4518", "D)Rs.4530", "E)Rs.4517" ]
D
aqua_train
aqua_train_34492
In how many ways can the letters of a word 'ENGINEERING' be arranged such that vowels DO NOT together?
[ "A)253000", "B)263000", "C)273000", "D)283000", "E)293000" ]
C
aqua_train
aqua_train_82240
A can do a piece of work in 10 days and B can do the same work in 12 days. A and B worked together for 1/2 days. How many more days are required to complete the remaining work if they work together?
[ "A)3 (5/18)", "B)3 (5/16)", "C)3 (5/11)", "D)4 (21/22)", "E)3 (5/21)" ]
D
aqua_train
aqua_train_9238
Dacid obtained 90, 92, 85, 87 and 85 marks (out of 100) in English, Mathematics, Physics, Chemistry and Biology. What are his average marks?
[ "A)67", "B)26", "C)88", "D)90", "E)75" ]
C
aqua_train
aqua_train_51685
The area of square ABCD above is 18. The shaded region is the intersection of the square and a circular region centered at C. What is the area of the shaded region?
[ "A)18−9/4∗π", "B)18−9/2∗π", "C)9+9/4∗π", "D)9+9/2∗π", "E)9/2−9/4∗π" ]
B
sciq
sciq_4
Humans building communities to make survival easier is an example of humans as a species changing their what?
[ "climate", "instinctive behavior", "evolution", "environment" ]
D
aqua_train
aqua_train_9940
In a class of 79 students 41 are taking French, 22 are taking German. Of the students taking French or German, 9 are taking both courses. How many students are not enrolled in either course?
[ "A)6", "B)15", "C)25", "D)33", "E)54" ]
C
science_train
science_train_6114
Question: Will these magnets attract or repel each other? Hints:
[ "attract", "repel" ]
A
aqua_train
aqua_train_94229
If 3 tic equals 6 tacs and 2 tacs equal 7 tocs, what is the ratio of one tic to one toc?
[ "A)7/1", "B)6/5", "C)5/6", "D)3/10", "E)1/15" ]
A
aqua_train
aqua_train_45802
If a certain number is divided by 3, the quotient, dividend, and divisor, added together, will amount to 63. What is the number?
[ "A)18", "B)28", "C)45", "D)38", "E)59" ]
C
aqua_train
aqua_train_65457
A sum of money becomes 7/6 of itself in 6 years at a certain rate of simple interest. The rate per annum is?
[ "A)50/9", "B)50/13", "C)50/17", "D)25/9", "E)5 5/1" ]
D
aqua_train
aqua_train_67412
The area of a rectangular plot is 460 square metres. If the length is 15% more than the breadth, what is the breadth of the plot?
[ "A)18m", "B)19m", "C)17m", "D)16m", "E)20m" ]
E
sciq
sciq_4
What is the functional unit of the kidney which actively filters blood and generates urine?
[ "sechron", "epithelial", "mecrophron", "nephron" ]
D
aqua_train
aqua_train_49711
What least number mustbe subtracted from 427398 so that remaining no.is divisible by 15
[ "A)3", "B)5", "C)6", "D)7", "E)8" ]
A
sciq
sciq_4
Arthropods change into the adult form in a process called what?
[ "parthenogenesis", "spontaneous mutation", "budding", "metamorphosis" ]
D
aqua_train
aqua_train_95523
A and B are two partially filled buckets of water. If 8 liters are transferred from A to B, then A would contain one-third of the amount of water in B. Alternatively, if 8 liters are transferred from B to A, B would contain one-half of the amount of water in A. Bucket A contains how many liters of water?
[ "A)88/5", "B)13", "C)17", "D)21", "E)23" ]
A
sciq
sciq_4
Graphite and diamond both are made from carbon. what makes diamonds so hard?
[ "weak atomic network", "strong metallic network", "strong light network", "strong atomic network" ]
D
aqua_train
aqua_train_29064
William earned $3,200 per month as a teacher for the ten months from September to June. Then he took a job as a barista at a local café, where he earned $2,000 per month during July and August. What was his average monthly pay for the 12 months?
[ "A)$2,400", "B)$2,800", "C)$2,600", "D)$3,000", "E)$2,500" ]
D
aqua_train
aqua_train_72889
Johnson has a corporate proposal. The probability that vice-president Adams will approve the proposal is 0.6. If VP Adams approves the proposal, then the probability that vice-president Baker will approve the proposal is 0.2. If VP Adams doesn’t approve the proposal, then the probability that vice-president Baker will ...
[ "A)0.36", "B)0.24", "C)0.28", "D)0.48", "E)0.72" ]
A
aqua_train
aqua_train_65020
What is the area inscribed by the lines y =6, x = 3, y = 2x-4 on an xy-coordinate plane?
[ "A)a) 1", "B)b) 2", "C)c) 4", "D)d) 8", "E)e) 16" ]
C
aqua_train
aqua_train_13998
John has 6 friends who want to ride in his new car that can accommodate only 3 people at a time (John plus 2 passengers). How many different combinations of 2 passengers can be formed from John's 6 friends?
[ "A)3", "B)8", "C)10", "D)15", "E)20" ]
D
aqua_train
aqua_train_55401
A sum was put at simple interest at a certain rate for 10 years . Had it been put at 5% higher rate , it would have fetched Rs.100 more. What was the Sum?
[ "A)s.350", "B)s.700", "C)s.200", "D)s.600", "E)s.500" ]
C
sciq
sciq_4
Where do organisms acquire toxic substances from along with nutrients and water?
[ "reproduction", "isolation", "movement", "environment" ]
D
aqua_train
aqua_train_31196
Alex and Brenda both stand at point X. Alex begins to walk away from Brenda in a straight line at a rate of 10 miles per hour. One hour later, Brenda begins to ride a bicycle in a straight line in the opposite direction at a rate of R miles per hour. If R > 8, which of the following represents the amount of time, in te...
[ "A)R-4", "B)R/(R+4)", "C)R/(R-8)", "D)8/(R-20)", "E)2R - 4" ]
C
aqua_train
aqua_train_27806
For any positive integer n, the sum of the first n positive integers equals n(n+1)/2. What is the sum x of all the even integers between 99 and 301?
[ "A)10,100", "B)20,200", "C)22,650", "D)40,200", "E)45,150" ]
B
sciq
sciq_4
What purpose does the appendix serve in humans today?
[ "work", "filters blood", "digests food", "none" ]
D
ds_train
ds_train_374
The Chandrasekhar limit is a critical mass beyond which white dwarfs can no longer remain stable and will collapse under their own gravity. What is the approximate value of the Chandrasekhar limit?
[ "A. 0.4 solar masses\nB. 1.4 solar masses\nC. 2.4 solar masses\nD. 4.4 solar masses" ]
B
aqua_train
aqua_train_10192
The two roots of the quadratic equation x2 - 85x + c = 0 are prime numbers. What is the value of c?
[ "A)84", "B)166", "C)332", "D)664", "E)1328" ]
B
aqua_train
aqua_train_8550
The price of 10 chairs is equal to that of 4 tables. The price of 15 chairs and 2 tables together is Rs. 4000. The total price of 12 chairs and 3 tables is:
[ "A)Rs. 3700", "B)Rs. 3800", "C)Rs. 3900", "D)Rs. 4000", "E)Rs. 4900" ]
C
aqua_train
aqua_train_87315
4 red,6blue,26 green ball. person choose 1 at a time either blue or red. what is probability that he choose red ball
[ "A)0.1", "B)0.2", "C)0.3", "D)0.4", "E)0.5" ]
D
aqua_train
aqua_train_84536
Arnold and Danny are two twin brothers that are celebrating their birthday. The product of their ages today is smaller by 17 from the product of their ages a year from today. What is their age today?
[ "A)2.", "B)4.", "C)5.", "D)7.", "E)8." ]
E
aqua_train
aqua_train_31957
Abel can complete a work in 10 days, Ben in 12 days and Carla in 15 days. All of them began the work together, but Abel had to leave after 2 days and Ben 5 days before the completion of the work. How long did the work last?
[ "A)6", "B)7", "C)8", "D)8 1/9", "E)10" ]
D
science_train
science_train_2319
Question: Does Daucus carota have cells that have a nucleus? Hints:
[ "no", "yes" ]
B
aqua_train
aqua_train_39685
{-10, -6, -5, -4, -2.5, -1, 0, 2.5, 4, 6, 7, 10} A number is to be selected at random from the set above. What is the probability that the number will be a solution to the equation (x-5)(x+4)(2X+5) = 0?
[ "A)a) 1/12", "B)b) 1/6", "C)c) 1/4", "D)d) 1/3", "E)e) 1/2" ]
A
aqua_train
aqua_train_30401
Four students, Jackie, Mandy, Bertrand, and Tao, took a science quiz. If Mandy scored 30% higher than Bertrand did, Tao scored 20% lower than Jackie did, and Jackie scored 40% higher than Mandy did, how much lower did Bertrand score than Tao?
[ "A)50% lower", "B)20% lower", "C)5% lower", "D)40% lower", "E)30% lower" ]
A
science_train
science_train_4537
Question: Which solution has a higher concentration of blue particles? Hints:
[ "neither; their concentrations are the same", "Solution A", "Solution B" ]
C
sciq
sciq_4
In mammals, what layer protects the egg?
[ "Choloza", "Germinal Disc", "Albumen", "zona pellucida" ]
D
aqua_train
aqua_train_48196
A man purchased 3 blankets @ Rs.100 each, 5 blankets @ Rs.150 each and two blankets at a certain rate which is now slipped off from his memory. But he remembers that the average price of the blankets was Rs.150. Find the unknown rate of two blankets?
[ "A)288", "B)2778", "C)279", "D)450", "E)278" ]
D
sciq
sciq_4
Viruses depend on what type of cells?
[ "blood cells", "immune system cells", "anchor cells", "host cells" ]
D
science_train
science_train_5771
Question: Identify the question that Whitney's experiment can best answer. Hints:
[ "Are eggs more likely to float in fresh water or salty water?", "Does the amount of water in a glass affect whether eggs sink or float in the water?" ]
A
aqua_train
aqua_train_51779
If four machines working at the same rate can do 3/4 of a job in 30 minutes, how many minutes would it take two machines working at the same rate to do 3/5 of the job?
[ "A)48", "B)60", "C)75", "D)80", "E)100" ]
A
aqua_train
aqua_train_71209
A train is travelling at 48 kmph. It crosses another train having half of its length, travelling in opposite direction at 42 kmph, in 12 seconds. It also passes a railway platform in 45 seconds. What is the length of the platform?
[ "A)400 m", "B)500 m", "C)600 m", "D)550 m", "E)700 m" ]
A
aqua_train
aqua_train_59322
A certain culture of bacteria quadruples every hour. If a container with these bacteria was half full at 9:00 a.m., at what time was it one-eighth full?
[ "A)9:00 a.m.", "B)8:00 a.m.", "C)6:00 a.m.", "D)4:00 a.m.", "E)2:00 a.m." ]
B
aqua_train
aqua_train_85753
If X = Y/Z, -1 < Z < 0 and 4 < Y, which of the following is correct?
[ "A)X > 4.", "B)0 < X <4.", "C)-4 < X < 0", "D)X < -4.", "E)X < -20" ]
D
aqua_train
aqua_train_12550
How many four-digit numbers that do not contain the digits 2, 3, 4, 5, or 6 are there?
[ "A)200", "B)400", "C)500", "D)600", "E)800" ]
C