dataset
stringclasses
5 values
id
stringlengths
6
18
question
stringlengths
3
1.92k
choices
listlengths
1
36
answer
stringclasses
5 values
aqua_train
aqua_train_57522
When x is multiplied by 3, the result is 18 more than the result of subtracting x from 26. What is the value of x?
[ "A)-4", "B)-2", "C)11", "D)13", "E)22" ]
C
aqua_train
aqua_train_83480
If shares of two persons in profits are Rs.400 and Rs.600 then ratio of their capitals is
[ "A)3:4", "B)2:3", "C)4:3", "D)1:3", "E)1:2" ]
B
aqua_train
aqua_train_31649
Ravi invested certain amount for two rates of simple interests at 6% p.a. and 7% p.a. What is the ratio of Ravi's investments if the interests from those investments are equal?
[ "A)7 : 9", "B)7 : 6", "C)7 : 0", "D)7 : 2", "E)7 : 1" ]
B
aqua_train
aqua_train_53508
54671 - 18456 - 33466 = ?
[ "A)2749", "B)5449", "C)6749", "D)6449", "E)6468" ]
A
aqua_train
aqua_train_30385
In a sample of associates at a law firm, 30 percent are second-year associates, and 60 percent are not first-year associates. What percentage of the associates at the law firm have been there for more than two years?
[ "A)10", "B)20", "C)30 %", "D)40", "E)50" ]
C
aqua_train
aqua_train_70528
On Friday, Kramer purchases exactly 3 new shirts, 2 new sweaters, and 4 new hats, On the following day and each subsequent day thereafter, Kramer wears one of his new shirts together with one of his new sweaters and one of his new hats. Kramer avoids wearing the exact same combination of shirt, sweater, and hat for as long as possible. On which day is this no longer possible?
[ "A)Tuesday", "B)Wednesday", "C)Thursday", "D)Friday", "E)Saturday" ]
A
science_train
science_train_1116
Question: Which material is this window made of? Hints:
[ "cotton", "wood" ]
B
science_train
science_train_3914
Question: Which property matches this object? Hints:
[ "scratchy", "smooth" ]
B
sciq
sciq_4
In plants and algae where does photosynthesis takes place in?
[ "cell wall", "nucleus", "cytoplasm", "chloroplasts" ]
D
sciq
sciq_4
What is controlled by both genes and experiences in a given envionment?
[ "reflexes", "instincts", "learned behaviors", "animal behaviors" ]
D
aqua_train
aqua_train_34910
A car traveled 340 miles per tankful of gasoline on the highway and 336 miles per tankful of gasoline in the city. If the car traveled 6 fewer miles per gallon in the city than on the highway, how many miles per gallon did the car travel in the city?
[ "A)504", "B)416", "C)321", "D)220", "E)170" ]
A
aqua_train
aqua_train_33460
Two buses and a van were employed to transport a class of students on a field trip. 3/5 of the class boarded the first bus. 1/3 of the remaining students boarded the second bus, and the rest of the students boarded the van. When the second bus broke down, 1/2 of the students on the second bus boarded the first bus. What fraction of the class was on board the first bus?
[ "A)a) 7/10", "B)b) 2/3", "C)c) 11/15", "D)d) 23/30", "E)e) 4/5" ]
A
ds_train
ds_train_2161
In the context of image recognition using Convolutional Neural Networks (CNNs), what is the primary purpose of a pooling layer?
[ "A. To apply non-linear activations like ReLU\nB. To reduce the spatial dimensions (width and height) of the input feature map\nC. To perform element-wise multiplication with filter kernels\nD. To convert the input image into a vector" ]
B
aqua_train
aqua_train_58973
A shopkeeper sells one transistor for Rs. 840 at a gain of 20% and another for Rs. 960 at a loss of 4%. His total gain or loss percent is:
[ "A)100/17% loss", "B)100/17% gain", "C)20/3% loss", "D)None of these", "E)Cannot be determined" ]
B
aqua_train
aqua_train_11329
A hall 36m long and 15m broad is to be paved with stones, each measuring 2dm by 5 dm. The number of stones required is:
[ "A)180", "B)1800", "C)5400", "D)18000", "E)1.8" ]
C
aqua_train
aqua_train_76016
If a 3-member subcommittee is to be formed from a certain 9-member committee, how many different such subcommittee are possible?
[ "A)6", "B)18", "C)84", "D)108", "E)216" ]
C
aqua_train
aqua_train_59502
In a house a hall is 20 m long, 15m wide and 5m high. Its interior has to be covered with mat. What will be the total expenditure if it costs Rs. 60 per square m?
[ "A)Rs. 52000", "B)Rs. 54000", "C)Rs. 57000", "D)Rs. 59000", "E)Rs. 60000" ]
C
aqua_train
aqua_train_40289
Saleem bought 4 baskets with the average cost of $4. If Saleem also buys the fifth basket with the price of $ 8, what is the average (arithmetic mean) price of those 5 baskets?
[ "A)$4.50", "B)$6.00", "C)$4.00", "D)$5.50", "E)$4.80" ]
E
aqua_train
aqua_train_92359
9823 + x = 13200, then x is ?
[ "A)3327", "B)3237", "C)3337", "D)3377", "E)None of these" ]
D
science_train
science_train_5586
Question: Which part of the banana tree do we usually eat? Hints:
[ "the fruit", "the flowers", "the leaves" ]
A
aqua_train
aqua_train_34229
There is a sequence ni such, in which i is a positive integer, ni+1=2ni. If n1=1, n2=2, n3=4, n4=8, what is the scope including n51?
[ "A)100~1,000", "B)1,000~10,000", "C)10,000~100,000", "D)100,000~1,000,000", "E)1,000,000,000,000,000~" ]
E
aqua_train
aqua_train_76639
The ratio between the sale price and the cost price of an article is 7:5. What is the ratio between the profit and the cost price of that article?
[ "A)23", "B)1:2", "C)2:5", "D)3:5", "E)25" ]
C
sciq
sciq_4
Regulation of hormone production hormone levels are primarily controlled through negative feedback, in which rising levels of a hormone inhibit its?
[ "particular release", "recent release", "Limited release", "further release" ]
D
aqua_train
aqua_train_57537
Nathan took out a student loan for 1200$ at 10 percent annual interest, compounded annually. If he did not repay any of the loan or interest during the first 3 years, which of the following is the closest to the amount of interest he owed for the 3 years.
[ "A)360", "B)390", "C)400 dollars", "D)410", "E)420" ]
C
aqua_train
aqua_train_61787
My brother is 4 years elder to me. My father was 28 years of age when my sister was born while my mother was 26 years of age when I was born. If my sister was 5 years of age of when my brother was born, then, what was the age of my father and mother respectively when my brother was born?
[ "A)32 yrs", "23 yrs", "B)32 yrs", "29 yrs", "C)35 yrs", "29 yrs", "D)35 yrs", "22 yrs", "E)none" ]
D
aqua_train
aqua_train_6881
A train sets off at 2 p.m. at the speed of 70 kmph. Another train starts at 1:30 p.m. in the same direction at the rate of 85 kmph. At what time the trains will meet?
[ "A)10.18 p.m", "B)10.29 p.m", "C)8.30 p.m", "D)10.38 p.m", "E)10.32 p.m" ]
C
aqua_train
aqua_train_62982
If two positive numbers are in the ratio 1/9 : 1/5, then by what percent is the second number more than the first?
[ "A)67%.", "B)70%.", "C)60%.", "D)68%.", "E)80%." ]
E
science_train
science_train_4368
Question: Which animal is also adapted to be camouflaged in the snow? Hints:
[ "Arctic wolf", "naked mole rat" ]
A
aqua_train
aqua_train_87737
The length of a rectangular plot is thrice its breadth. If the area of the rectangular plot is 867 sq m, then what is the breadth of the rectangular plot?
[ "A)66 m", "B)17 m", "C)87 m", "D)65 m", "E)43 m" ]
B
aqua_train
aqua_train_56308
Some of the 50% solution of acid was removed and this was replaced with an equal amount of 30% solution of acid. As a result, a 40% solution of acid was obtained. What fraction of the original solution was replaced?
[ "A)1/2", "B)1/3", "C)2/3", "D)1/4", "E)2/5" ]
A
sciq
sciq_4
In science, we need to make observations on various phenomena to form and test what?
[ "assumptions", "theories", "variations", "hypotheses" ]
D
aqua_train
aqua_train_91016
Arya starts cycling along the boundaries of the squares. She starts from a point A and after 90 minutes she reached to point C diagonally opposite to A. If she is travelling with 30km/hr, then find the area of square field.
[ "A)125", "B)225", "C)325", "D)425", "E)None of these" ]
E
aqua_train
aqua_train_43736
If y ¤ q = y^(2q) for all positive integers, then (3 ¤ 4) ¤ 2 =
[ "A)3^8", "B)3^12", "C)3^16", "D)3^24", "E)3^32" ]
E
aqua_train
aqua_train_85215
A batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3 . Find his average after 17th inning.
[ "A)39", "B)88", "C)26", "D)87", "E)11" ]
A
sciq
sciq_4
While spermatogenesis produces four haploid sperm cells, oogenesis produces one mature what?
[ "egg", "semen", "datum", "ovum" ]
D
aqua_train
aqua_train_73429
A discount of 10 percent on an order of goods followed by a discount of 20 percent amounts to
[ "A)the same as one 45 percent discount", "B)the same as one 38 percent discount", "C)the same as one 36 percent discount", "D)the same as one 30 percent discount", "E)the same as one 28 percent discount" ]
E
aqua_train
aqua_train_58941
20.05 + 35.603- …… =43.087
[ "A)10.263", "B)12.566", "C)15.426", "D)13.286", "E)14.286" ]
B
aqua_train
aqua_train_11218
Of the 8 members of teacher in school, 5 can teach Physics, 7 can teach Math, and 4 can teach both subject. If one member is chosen at random, what is the probability that the member chosen will be someone who can not teach either subject?
[ "A)a) 5/18", "B)b) 7/18", "C)c) 1/2", "D)d) 0", "E)e) 13/18" ]
D
aqua_train
aqua_train_63097
Mary and Harry enter into a partnership by investing $700 and $300 respectively. At the end of one year, they divided their profits such that a third of the profit is divided equally for the efforts they have put into the business and the remaining amount of profit is divided in the ratio of the investments they made in the business. If Mary received $800 more than Harry did, what was the profit made by their business in that year?
[ "A)45645433", "B)46457457", "C)4675", "D)3000", "E)3432" ]
D
aqua_train
aqua_train_75050
A person decided to build a house in 100days. He employed 100men in the beginning and 100 more after 25 days and completed the construction in stipulated time. If he had not employed the additional men , how many days behind schedule would it have been finished?
[ "A)7", "B)5", "C)2", "D)3", "E)1" ]
B
aqua_train
aqua_train_11062
Two trains each 150m in length each, are running on two parallel lines in opposite directions. If one goes at the speed of 95km/h while the other travels at 85km/h. how long will it take for them to pass each other completely.
[ "A)25 sec", "B)23 sec", "C)34 sec", "D)22 sec", "E)6 sec" ]
E
aqua_train
aqua_train_74369
The true discount on a bill due 9 months hence at 16% per annum is Rs. 189.The amount of the bill is
[ "A)Rs. 1386", "B)Rs. 1764", "C)Rs. 1575", "D)Rs. 2268", "E)None of these" ]
B
aqua_train
aqua_train_5984
A man sells two articles for Rs.3600 each and he gains 42% on the first and loses 42% on the next. Find his total gain or loss?
[ "A)9% loss", "B)400", "C)4000", "D)17.64%loss", "E)8% LOSS" ]
D
science_train
science_train_4032
Question: Which solution has a higher concentration of blue particles? Hints:
[ "neither; their concentrations are the same", "Solution A", "Solution B" ]
B
aqua_train
aqua_train_92061
At 6'o clock clock ticks 6 times. The time between first and last ticks was 30sec. How much time it takes at 11'o clock.
[ "A)60sec", "B)62sec", "C)66sec", "D)64sec", "E)76sec" ]
A
sciq
sciq_4
Electromagnetic specturm is the full spectrum of raidant energy, which is energy emitted and transmitted as what?
[ "currents", "flows", "tides", "waves" ]
D
aqua_train
aqua_train_17994
If log2X +log2Y ≥ 6, then the least value of XY is?
[ "A)4", "B)8", "C)64", "D)32", "E)16" ]
C
aqua_train
aqua_train_57481
There are eight different models that are to appear in a fashion show. Two are from Europe, two are from South America, and two are from North America. If all the models from the same continent are to stand next to each other, how many ways can the fashion show organizer arrange the models?
[ "A)72", "B)48", "C)284", "D)24", "E)8" ]
C
sciq
sciq_4
What is it called when body’s internal environment is stable?
[ "synchronicity", "hypothesis", "ketosis", "homeostasis" ]
D
science_train
science_train_2092
Question: What information supports the conclusion that Darell inherited this trait? Hints:
[ "Darell and his biological parents have brown hair.", "Darell's biological father has curly hair.", "Darell's coworker also has curly hair." ]
B
aqua_train
aqua_train_69446
Of 67 players on a cricket team, 37 are throwers. The rest of the team is divided so one third are left- handed and the rest are right handed. Assuming that all throwers are right handed, how many right- handed players are there total?
[ "A)54", "B)55", "C)57", "D)71", "E)92" ]
C
aqua_train
aqua_train_79966
The time on a clock is 20 minutes past 6. What is the angle between the hands of the clock?
[ "A)60 degrees", "B)120 degrees", "C)90 degrees", "D)50 degrees", "E)70 degrees" ]
E
science_train
science_train_1921
Question: Identify the question that Elena's experiment can best answer. Hints:
[ "Does linen fabric turn darker than cotton fabric when soaked in a mixture of black dye and water?", "Does fabric turn darker when soaked in a mixture of black dye and water for 15 minutes compared to 30 minutes?" ]
A
sciq
sciq_4
What is the tiny male gametophyte enclosed in a tough capsule?
[ "Cell Capsule", "nitrogen", "calcium", "pollen" ]
D
sciq
sciq_4
The chemical symbol of which ion is written first in ionic compounds?
[ "negative ion", "good metal ion", "last ion", "positive metal ion" ]
D
aqua_train
aqua_train_56076
The 19th of September 1987 was a Saturday. If 1988 was a leap-year, what day of the week was the 26th of September 1990?
[ "A)Monday", "B)Tuesday", "C)Wednesday", "D)Thursday", "E)Friday" ]
C
aqua_train
aqua_train_63411
if r is radius of a circle and perimeter of circle is 12π.calculate r+2r-(r/2).
[ "A)15", "B)10", "C)12", "D)6", "E)18" ]
A
aqua_train
aqua_train_32237
By investing Rs. 1800 in 9% stock, Syam earns Rs. 120. The stock is then quoted at
[ "A)Rs.135", "B)Rs. 96", "C)Rs. 85", "D)Rs. 122", "E)Rs. 142" ]
A
aqua_train
aqua_train_10985
How many liters of water must be evaporated from 50 liters of a 2 percent sugar solution to get a 5 percent sugar solution?
[ "A)20", "B)25", "C)30", "D)32", "E)35" ]
C
aqua_train
aqua_train_62307
A, B and C can do a piece of work in 14, 30 and 40 days respectively. They start the work together but C leaves 4 days before the completion of the work. In how many days is the work done?
[ "A)7.6 days", "B)7.7 days", "C)6.7 days", "D)5.7 days", "E)8.7 days" ]
B
aqua_train
aqua_train_30821
A person incurs loss for by selling a watch for Rs1140.at what price should the watch be sold to earn a 5% profit ?
[ "A)1542", "B)3645", "C)7845", "D)1260", "E)3654" ]
D
aqua_train
aqua_train_77687
What is the sum Q of all 3 digit numbers that leave a remainder of '2' when divided by 3?
[ "A)897", "B)164,850", "C)164,749", "D)149,700", "E)156,720" ]
B
sciq
sciq_4
What are the dark areas of the moon called?
[ "craters", "hollow space", "laura", "maria" ]
D
aqua_train
aqua_train_11922
The C.P of 40 pens is equal to the S.P of 60 pens. Find his gain % or loss%
[ "A)25 2/3", "B)32 1/3", "C)33 1/3", "D)25 1/3", "E)33 2/3" ]
C
aqua_train
aqua_train_63397
Nine people are planning to share equally the cost of a rental car. If one person withdraws from the arrangement and the others share equally the entire cost of the car, then the share of each of the remaining persons increased by:
[ "A)7/8", "B)1/8", "C)1/3", "D)1/7", "E)1/9" ]
B
aqua_train
aqua_train_36709
8.5 × 6.4 + 4.5 × 11.6 = ? ÷ 4
[ "A)426.2", "B)426.4", "C)106.6", "D)422.4", "E)522.5" ]
B
aqua_train
aqua_train_86724
Anne bought doughnuts for a class breakfast party. She bought 15 chocolate doughnuts, 12 coconut doughnuts, and 14 jam-filled doughnuts. How many doughnuts did Anne buy in all?
[ "A)41", "B)36", "C)39", "D)21", "E)11" ]
A
aqua_train
aqua_train_1428
The average temperature of Monday, Tuesday, Wednesday and Thursday was 38∘ and that of Tuesday, Wednesday, Thursday and Friday was 40∘. If the temperature on Monday was 36∘, the temperature of Friday was :
[ "A)44∘", "B)40∘", "C)38∘", "D)30∘", "E)None of these" ]
A
aqua_train
aqua_train_31500
Thomas worked in the factory @ 4550/- per week. Owner told him to give the amount after one month. Then how much amount will be paid to Thomas ?
[ "A)9500", "B)17500", "C)18200", "D)19500", "E)6750" ]
D
sciq
sciq_4
What is the term for the maintenance of a steady state despite internal and external changes?
[ "equilibrium", "hypothesis", "consciousness", "homeostasis" ]
D
aqua_train
aqua_train_81899
What percent of 15 is 15 percent of 1?
[ "A)0.001", "B)0.01", "C)0.1", "D)1", "E)101" ]
D
aqua_train
aqua_train_39070
What is the value of 4^6+4^8?
[ "A) 4^12", "B) 4^35", "C) 17(4^6)", "D) 8^12", "E) 7(4^5)" ]
C
aqua_train
aqua_train_214
John takes a trip and drives 9 hours from Town X to Town Z at a rate of 60 miles per hour. On his way back, John drives 85 miles per hour and stops in Town Y which is midway between Town X and Town Z. How many hours does it take Scott to drive from Town Z to Town Y?
[ "A)1.75", "B)1.25", "C)1.45", "D)4.15", "E)3.14" ]
D
aqua_train
aqua_train_40562
A rectangular plot measuring 90 metres by 50 metres is to be enclosed by wire fencing. If the poles of the fence are kept 10 metres apart, how many poles will be needed ?
[ "A)28", "B)56", "C)57", "D)58", "E)None of these" ]
A
aqua_train
aqua_train_59810
In the following sequence: [x, y, z, 5, 7, 16, 28] each number is equal to the sum of the three numbers preceding it. What is 5x-2y?
[ "A)19", "B)16", "C)17", "D)18", "E)29" ]
A
aqua_train
aqua_train_31531
300 meter long train crosses a platform in 39 seconds while it crosses a signal pole in 18 seconds. What is the length of the platform?
[ "A)388", "B)266", "C)350", "D)112", "E)134" ]
C
aqua_train
aqua_train_32839
The cost price of two types of tea are Rs. 180 per kg and Rs. 200 per kg respectively. On mixing them in the ratio 5:3, the mixture is sold at Rs. 210 per kg . In the whole transaction, the gain percent is
[ "A)10%", "B)11%", "C)12%", "D)13%", "E)14%" ]
C
sciq
sciq_4
Where do the cells in your body get oxygen from?
[ "white blood cells", "the digestive system", "pores", "red blood cells" ]
D
aqua_train
aqua_train_93647
If x > 7, which of the following is equal to (x^2 + 4x + 4)/(x^2 - 4) ?
[ "A)(x + 4)/(4(x - 4))", "B)(x - 4)/(x + 4)", "C)(x - 2)/(x + 4)", "D)(x + 4)/(x - 4)", "E)(x + 2)/(x - 2)" ]
E
aqua_train
aqua_train_81882
The average salary of workers in an industry is Rs.200 the average salary of technicians being Rs.400 and that of non-technicians being Rs.125. What is the total number of workers?
[ "A)277", "B)665", "C)288", "D)267", "E)256" ]
B
aqua_train
aqua_train_6421
If u r genius solve it:- 40 * 14 = 11 30 * 13 = 12 20 * 12 = 6 10 * 11 = ?
[ "A)2", "B)4", "C)6", "D)8", "E)10" ]
A
aqua_train
aqua_train_14502
The ratio of length to width of a rectangular showroom window is 3.3 to 2. If the width of the window is 8 feet, what is the approximate length of the display in feet?
[ "A)7", "B)11", "C)13", "D)16", "E)26" ]
C
aqua_train
aqua_train_56153
A large box contains 15 small boxes and each small box contains 25 chocolate bars. How many chocolate bars are in the large box?
[ "A)A)220", "B)B)490", "C)C)375", "D)D)450", "E)E)690" ]
C
aqua_train
aqua_train_50960
What percent of 150 is 40?
[ "A)0.25%", "B)26.67%", "C)25%", "D)40%", "E)250%" ]
B
aqua_train
aqua_train_43626
100 identical coins each with probability 'pp' showing up heads & tossed.
[ "A)13/101", "B)11/101", "C)51/101", "D)53/102", "E)54/101" ]
C
aqua_train
aqua_train_58026
If 4 men working 10 hours a day earn Rs. 1600 per week, then 9 men working 6 hours a day will earn how much per week?
[ "A)Rs 840", "B)Rs 1320", "C)Rs 1620", "D)Rs 2160", "E)None of these" ]
D
aqua_train
aqua_train_66778
An electric pump can fill a tank in 10 hours. Because of a leak in the tank, it took 20 hours to fill the tank. If the tank is full, how much time will the leak take to empty it?
[ "A)10hours", "B)12hours", "C)20hours", "D)5hours", "E)15hours" ]
C
aqua_train
aqua_train_89653
Analyze the number square carefully and find out what number fits in place of question mark. 1 2 3 4 5 6 7 8 ?
[ "A)7", "B)6", "C)5", "D)4", "E)3" ]
A
aqua_train
aqua_train_54798
Of the 11 members of a football team in school, 9 are trained to play the offensive position, 6 can play defensive position, and 4 can play both position. If one member is chosen at random, what is the probability that the member chosen will be someone who play either position ?
[ "A)a) 3/11", "B)b) 4/11", "C)c) 0", "D)d) 6/11", "E)e) 7/11" ]
C
aqua_train
aqua_train_49572
A 30% alcohol mixture is added to a 50% alcohol mixture to form a 10 litre mixture of 45% alcohol. How much of the 30% mixture was used?
[ "A)1.5 liters", "B)2.5 liters", "C)3.5 liters", "D)4.5 liters", "E)5.5 liters" ]
B
aqua_train
aqua_train_28590
Mr Katial buys a house for Rs 1,00,000 and rents it. He puts 12.5% of each month’s rent aside for upkeep and repairs, pays Rs 325 per year as taxes and realizes 5.5% annually on his investment . Find the monthly rent?
[ "A)Rs 634.76", "B)Rs 554.76", "C)Rs 654.76", "D)Rs 664.76", "E)none of these" ]
B
aqua_train
aqua_train_68669
A, B, C, D and E are 5 consecutive points on a straight line. If BC = 2CD, DE = 7, AB = 5 and AC = 11, what is the length of AE?
[ "A)19", "B)21", "C)23", "D)25", "E)27" ]
B
aqua_train
aqua_train_22288
X starts a business with Rs.45000. Y joins in the business after 2 months with Rs.30000. What will be the ratio in which they should share the profit at the end of the year?
[ "A)1:2", "B)9:5", "C)1:5", "D)3:1", "E)1:1" ]
B
sciq
sciq_4
During summer in the northern hemisphere, the north pole is tilted toward what?
[ "moon", "the north star", "horizon", "sun" ]
D
aqua_train
aqua_train_36932
Walking with 4/5 of my usual speed, I miss the bus by 5 minutes. What is my usual time?
[ "A)22", "B)88", "C)27", "D)20", "E)98" ]
D
sciq
sciq_4
What is the term for a system maintaining a stable internal environment in a changeable external environment?
[ "Pregnant", "fetus", "hypothesis", "homeostasis" ]
D
sciq
sciq_4
What property of an object is obtained by multiplying its mass and its velocity?
[ "fluid", "component", "movement", "momentum" ]
D
aqua_train
aqua_train_28449
The average of first ten prime numbers which are odd is?
[ "A)15.5", "B)15.7", "C)15.2", "D)15.8", "E)15.1" ]
D
aqua_train
aqua_train_82319
Bruno and Sacha are running in the same direction around a stadium. Sacha runs at a constant speed of 6 meters per second, and Bruno runs at a constant speed of 5 meters per second. At a certain point Sacha overtakes Bruno. If three minute afterward, Sacha stops and waits for Bruno to reach him, then how many seconds does he have to wait?
[ "A)12", "B)24", "C)36", "D)60", "E)72" ]
C
aqua_train
aqua_train_11014
A man's age is 125% of what it was 10 years ago, but 83 1/3% of what it will be after 10 years. What is his present age?
[ "A)50", "B)70", "C)80", "D)55", "E)40" ]
A