dataset
string
id
string
question
string
choices
list
rationale
string
answer
string
subject
string
aqua_rat
aqua_rat_193
If 100!/x is not an integer, which of the following could be the value of x?
[ "7^16", "11^9", "13^6", "17^6" ]
null
D
null
aqua_rat
aqua_rat_25171
A completes a work in 6 days and B complete the same work in 24 days. If both of them work together, then the number of days required to complete the work will be
[ "9 days", "10 days", "4.8 days", "13 days" ]
null
C
null
aqua_rat
aqua_rat_46336
In what time will Rs.4000 lent at 3% per annum on simple interest earn as much interest as Rs.5000 will earn in 5 years at 4% per annum on simple interest?
[ "8 1/3", "8 1/9", "8 1/1", "8 1/5" ]
null
A
null
aqua_rat
aqua_rat_26191
If the set S is composed of the following numbers {99, 100, 100, 105, 106, 114, 125}, which of the following is largest?
[ "The average (arithmetic mean) of set S", "The mode of set S", "The range of set S", "The standard deviation of set S" ]
null
A
null
aqua_rat
aqua_rat_18296
A bowl has only 2 apples and 2 bananas. If one piece of fruit is selected from the bowl at random, and a second piece is selected from the bowl without replacing the first, what is the probability that both pieces of fruit chosen are apples?
[ "1/6", "2/9", "2/5", "1/2" ]
null
A
null
aqua_rat
aqua_rat_79535
A can do a piece of work in 10 days and B can do it in 15 days and C can do it 20 days. They started the work together and A leaves after 2 days and B leaves after 4 days from the beginning. How long will work lost?
[ "12 days", "52 days", "60 days", "10 2/3 days" ]
null
D
null
aqua_rat
aqua_rat_88353
Two same glasses are respectively 1/4th 1/5th full of milk. They are then filled with water and the contents mixed in a tumbler. The ratio of milk and water in the tumbler is?
[ "9:31", "9:33", "9:39", "9:12" ]
null
A
null
aqua_rat
aqua_rat_57108
A manufacturer produces a certain men's athletic shoe in integer sizes from 8 to 17. For this particular shoe, each unit increase in size corresponds to a 1/5-inch increase in the length of the shoe. If the largest size of this shoe is 30% longer than the smallest size, how long, in inches, is the shoe in size 15?
[ "7.4", "7.7", "8.2", "8.6" ]
null
A
null
aqua_rat
aqua_rat_38567
Some part of the 50% solution of acid was replaced with the equal amount of 30% solution of acid. As a result, 40% solution f acid was obtained. what part of the original solution was replaced?
[ "1/4", "1/2", "3/4", "4/5" ]
null
B
null
aqua_rat
aqua_rat_63738
Evaluate: 50 - 12*3*2 = ?
[ "52", "32", "12", "42" ]
null
D
null
aqua_rat
aqua_rat_82180
A train 200 m long running at 54 kmph crosses a platform in 25 sec. What is the length of the platform?
[ "175", "350", "277", "232" ]
null
A
null
aqua_rat
aqua_rat_26961
A cave is going to explode. A family is trapped inside that cave. The only way to get outside is a narrow tunnel. But the tunnel is weak and thus only two people can go at one time. Also, everybody is afraid of going alone. The father takes one minute to go through till the end, the mother takes two, the son takes four and the daughter takes five. The cave and tunnel will explode in twelve minutes. Can they make it to the other end in that time frame? PS: Keep in mind that when two people are moving, the total time taken will be as per the slower one.
[ "12 minutes.", "11 minutes.", "13 minutes.", "14 minutes." ]
null
A
null
aqua_rat
aqua_rat_9590
Three medical experts, working together at the same constant rate, can write an anatomy textbook in 32 days. How many additional experts, working together at this same constant rate, are needed to write the textbook in 6 days?
[ "9", "11", "13", "15" ]
null
C
null
aqua_rat
aqua_rat_31739
What is the greatest integer that will always evenly divide the sum of five consecutive integers?
[ "3", "4", "6", "5" ]
null
D
null
aqua_rat
aqua_rat_34488
X can do a piece of work in 40 days; Y can do the same in 30 days. X started alone but left the work after 10 days, then Y worked at it for 10 days. Z finished the remaining work in 10 days. Z alone can do the whole work in?
[ "days", "days", "1/2 days", "days" ]
null
A
null
aqua_rat
aqua_rat_1619
Suppose you want to buy three loaves of bread that cost $0.75 each and a jar of peanut butter that costs $7. A jar of jelly is $2.75, but you don’t need any jelly. You have $17. How much money will you have left over?
[ "$7.75", "$3.50", "$4.50", "$5.50" ]
null
A
null
aqua_rat
aqua_rat_73207
A bullet train 130 m long is running with a speed of 50 kmph. In what time will it pass a man who is running at 10 kmph in the direction opposite to that in which the bullet train is going?
[ "13 sec", "12 sec", "11 sec", "16 sec" ]
null
A
null
aqua_rat
aqua_rat_53757
If the sides of two cubes are in the ratio 3: 1 the ratio of their total surface area is?
[ "8:1", "9:1", "12:1", "9:1" ]
null
B
null
aqua_rat
aqua_rat_29833
The cash realised on selling a 14% stock is Rs.101.25, brokerage being 1/4% is
[ "106", "100", "101", "240" ]
null
C
null
aqua_rat
aqua_rat_19354
Car Z travels 51 miles per gallon of gasoline when driven at a constant rate of 45 miles per hour, but travels 20 percent fewer miles per gallon of gasoline when driven at a constant rate of 60 miles per hour. How many miles does car Z travel on 10 gallons of gasoline when driven at a constant rate of 60 miles per hour?
[ "375.2", "400", "408", "440" ]
null
C
null
aqua_rat
aqua_rat_181
Otto and Han are driving at constant speeds in opposite directions on a straight highway. At a certain time they are driving toward each other and are 40 miles apart. One and a half hours later, they are again 40 miles apart, driving away from each other. If Otto drives at a speed of x miles per hour, then, in terms of x, Han drives at a speed of how many miles per hour?
[ "b) 53.33-x", "c) 80-2x", "d) 120-x", "e) 40-x/2" ]
null
A
null
aqua_rat
aqua_rat_28390
An air conditioner can coo the hall in 25 minutes while another takes 30 minutes to cool under similar conditions. if both air conditioners are switched on at same instance then how long will it take to cool the room?
[ "about 24 minutes", "about 14 minutes", "about 34 minutes", "about 4 minutes" ]
null
B
null
aqua_rat
aqua_rat_85929
A train passes a station platform in 36 seconds and a man standing on the platform in 24 seconds. If the speed of the train is 54 km/hr, what is the length of the platform?
[ "180", "288", "267", "211" ]
null
A
null
aqua_rat
aqua_rat_50279
A father is now three times as old as his son. Five years back, he was four times as old as his son. The age of the son (in years) is
[ "15", "18", "20", "22" ]
null
A
null
aqua_rat
aqua_rat_293
Water boils at 212°F or 100°C and melts at 32°F or 0°C . If the temperature of the particular day is 35°C , it is equal to
[ "80", "95", "100", "120" ]
null
B
null
aqua_rat
aqua_rat_3404
If a and b are positive integers and x = 9^a and y = 5^b, which of the following is a possible units digit of xy?
[ "4", "5", "7", "8" ]
null
B
null
aqua_rat
aqua_rat_34115
10 men and 15 women together can complete a work in 7 days. It takes 100 days for one man alone to complete the same work. How many days will be required for one woman alone to complete the same work?
[ "667 days", "177 days", "187 days", "350 days" ]
null
D
null
aqua_rat
aqua_rat_73397
By selling 50 meters of cloth. I gain the selling price of 15 meters. Find the gain percent?
[ "42 3/7%", "42 7/7%", "42 6/7%", "22 6/7%" ]
null
C
null
aqua_rat
aqua_rat_84177
Two numbers are in the ratio of 5:7. If 12 is subtracted from each number, they are in the ratio of 11:17. What are the two numbers?
[ "45, 63", "55, 77", "60, 84", "65, 91" ]
null
A
null
aqua_rat
aqua_rat_27404
A 270 m long train running at the speed of 120 km/hr crosses another train running in opposite direction at the speed of 80 km/hr in 9 sec. What is the length of the other train?
[ "230", "266", "289", "179" ]
null
A
null
aqua_rat
aqua_rat_29992
A, B and C play a cricket match. The ratio of the runs scored by them in the match is A:B = 2:3 and B:C = 2:5. If the total runs scored by all of them are 75, the runs scored by B are?
[ "18", "98", "27", "17" ]
null
A
null
aqua_rat
aqua_rat_78951
In what time will a train 60 m long cross an electric pole, it its speed be 144 km/hr?
[ "2.8 sec", "7.5 sec", "2.3 sec", "1.5 sec" ]
null
D
null
aqua_rat
aqua_rat_87285
Six points are marked on a straight line and five points are marked on another line which is parallel to the first line. How many straight lines, including the first two, can be formed with these points?
[ "83", "78", "56", "32" ]
null
D
null
aqua_rat
aqua_rat_31115
The average of fifteen numbers is 0. In those 15, at the most, how many may be greater than zero?
[ "1", "10", "14", "17" ]
null
C
null
aqua_rat
aqua_rat_85409
A certain stock exchange designates each stock with a two-letter or three-letter code, where each letter is selected from the 26 letters of the alphabet. If the letters may be repeated and if the same letters used in a different order constitute a different code, how many different stocks is it possible to uniquely designate with these codes without using the letters A, B, or C?
[ "11,585", "12,696", "13,787", "14,898" ]
null
B
null
aqua_rat
aqua_rat_85067
A train 210 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?
[ "50 sec", "44 sec", "49 sec", "28 sec" ]
null
D
null
aqua_rat
aqua_rat_20
The first five numbers in a regular sequence are 4, 10, X, 46, and 94. What is x ?
[ "26", "30", "22", "24" ]
null
C
null
aqua_rat
aqua_rat_35497
Two friends Simpson & Stewie decide to get together So they start driving cars towards each other. They plan to meet halfway. Each is riding at 6 Km/hr. They live 36 kms apart. Stewie has a pet "eagle" and it starts flying the instant they start traveling. The eagle flies back and forth at 18 Km/hr between them until the two meet. How many kms does the eagle travel ?
[ "54 kms", "34 kms", "24 kms", "14 kms" ]
null
A
null
aqua_rat
aqua_rat_39826
If there are half as many women as men in a group and an equal number of men and women do not own cars - a group that is 40% of the total. What fraction of the total is women who own cars?
[ "11⁄60", "9⁄40", "1⁄5", "2⁄15" ]
null
D
null
aqua_rat
aqua_rat_21170
21 ball numbered 1 to 21. A ballis drawn and then another ball is drawn without replacement.
[ "2/41", "9/42", "3/37", "4/49" ]
null
B
null
aqua_rat
aqua_rat_25046
On the xy co-ordinate plane, point C is (3,-2) and point D is (-1,2.5). The point on line segment CD that is twice as far from C as from D is:
[ "(1,1)", "(2,0.25)", "(3,0.5)", "(3,1)" ]
null
C
null
aqua_rat
aqua_rat_28038
Solve the equation : (2x - 1)3 + 2x(2x - 3).(3 - 2x) – (3x - 1)2 = 3x2 - 2
[ "0", "2", "3", "4" ]
null
A
null
aqua_rat
aqua_rat_64933
The length of the bridge, which a train 130 meters long and travelling at 45 km/hr can cross in 30 seconds, is?
[ "169", "245", "178", "119" ]
null
B
null
aqua_rat
aqua_rat_38046
Which of the following must be an integer if the integer x is divisible by both 18 and 12?
[ "x/189", "x/126", "x/36", "x/81" ]
null
C
null
aqua_rat
aqua_rat_82257
How many unique positive odd integers less than 60 are equal to the product of a positive multiple of 5 and an odd number?
[ "6", "11", "12", "15" ]
null
A
null
aqua_rat
aqua_rat_16231
A man can reach certain place in 10hours. If he reduces his speed by 1/5th, he goes 10km less in time. Find his speed?
[ "5km/hr", "10.78km/hr", "14km/hr", "43.15km/hr" ]
null
A
null
aqua_rat
aqua_rat_75814
Series till 50 terms: 2+3-5 +2+3-5+.
[ "3", "5", "6", "7" ]
null
A
null
aqua_rat
aqua_rat_90780
Dan can do a job alone in 15 hours. Annie, working alone, can do the same job in just 10 hours. If Dan works alone for 6 hours and then stops, how many hours will it take Annie, working alone, to complete the job?
[ "4", "6", "8", "10" ]
null
B
null
aqua_rat
aqua_rat_58434
A train travelling at a speed of 75 mph enters a tunnel 3 1/2 miles long. The train is 1/4 mile long. How long does it take for the train to pass through the tunnel from the moment the front enters to the moment the rear emerges?
[ "3 min", "3.2 min", "3.5 min", "None" ]
null
A
null
aqua_rat
aqua_rat_53665
What will come in place of (a) in the following expression? a - 996.21 + 498.05 = 215.50 – 425.01
[ "888.6", "888.67", "83.65", "288.65" ]
null
D
null
aqua_rat
aqua_rat_72408
Alok ordered 16 chapatis, 5 plates of rice, 7 plates of mixed vegetable and 6 ice-cream cups. The cost of each chapati is Rs.6, that of each plate of rice is Rs.45 and that of mixed vegetable is Rs.70. The amount that Alok paid the cashier was Rs.1081. Find the cost of each ice-cream cup?
[ "66", "77", "99", "45" ]
null
D
null
aqua_rat
aqua_rat_39044
A board of length L feet is cut into two pieces such that the length of piece A is 2 feet less than three times the length of piece B. Which of the following is the length, in feet, of piece A?
[ "(3L - 2)/4", "(L + 2)/3", "(3L + 2)/3", "(2L - 1)/4" ]
null
A
null
aqua_rat
aqua_rat_17317
The current of a stream runs at the rate of 4 kmph. A boat goes 6 km and back to the starting point in 2 hours, then find the speed of the boat in still water?
[ "5", "8", "9", "6" ]
null
B
null
aqua_rat
aqua_rat_15378
Find the odd man out. 1, 27, 216, 512, 1024, 1331
[ "1024", "27", "1", "2" ]
null
A
null
aqua_rat
aqua_rat_31321
Shipment --- No. of Defective Chips/shipment --- Total Chips in shipment S1 ---------------------- 5 ------------------------------------------ 5,000 S2 ---------------------- 5 ------------------- ---------------------- 12,000 S3 ---------------------- 8 ------------------------------------------ 17,000 S4 ---------------------- 7 ------------------------------------------ 16,000 A computer chip manufacturer expects the ratio of the number of defective chips to the total number of chips in all future shipments to equal the corresponding ratio for shipments S1, S2, S3, and S4 combined, as shown in the table above. What’s the expected number of defective chips in a shipment of 60,000 chips?
[ "20", "22", "30", "25" ]
null
C
null
aqua_rat
aqua_rat_13406
Two trains of equal length are running on parallel lines in the same direction at 46 km/hr and 36 km/hr. The faster train catches and completely passes the slower train in 18 seconds. What is the length of each train (in meters)?
[ "25", "35", "50", "65" ]
null
A
null
aqua_rat
aqua_rat_877
Two trains are running in opposite directions with the same speed. If the length of each train is 120 m and they cross each other in 12 sec, then the speed of each train is?
[ "18", "63", "36", "72" ]
null
C
null
aqua_rat
aqua_rat_22138
If 9 men working 6 hours a day can do a work in 88 days. Then 6 men working 8 hours a day can do it in how many days?
[ "90 days", "85 days", "99 days", "79 days" ]
null
C
null
aqua_rat
aqua_rat_57341
In how many ways the word "KIT" can be arranged?
[ "6", "18", "21", "24" ]
null
A
null
aqua_rat
aqua_rat_37641
A is two years older than B who is twice as old as C.If the total ages of A,B and c be 27 . what is the age of B?
[ "10 years", "8 years", "14 years", "16 years" ]
null
A
null
aqua_rat
aqua_rat_35919
In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there?
[ "209", "321", "521", "130" ]
null
A
null
aqua_rat
aqua_rat_46135
At what rate percent per annum will the simple interest on a sum of money be 1/5 of the amount in 10 years?
[ "2%", "9%", "3%", "1%" ]
null
A
null
aqua_rat
aqua_rat_84163
Two trains of length 100 m and 280 m are running towards each other on parallel lines at 42 kmph and 30 kmph respectively. In what time will they be clear of each other from the moment they meet?
[ "32 sec", "82 sec", "20 sec", "19 sec" ]
null
D
null
aqua_rat
aqua_rat_14415
A certain team consists of 3 professors and 6 teaching assistants. How many different teams of 3 can be formed in which at least one member of the group is a professor? (Two groups are considered different if at least one group member is different.)
[ "52", "56", "60", "64" ]
null
D
null
aqua_rat
aqua_rat_12813
The function g(j) is defined for integers j such that if j is even, g(j) = j/2 and if j is odd, g(j) = j + 5. Given that g(g(g(g(g(j))))) = 19, how many possible values for j would satisfy this equation?
[ "5", "7", "8", "11" ]
null
C
null
aqua_rat
aqua_rat_72917
A train running at the speed of 60 km/hr crosses a pole in 15 sec. What is the length of the train?
[ "178 m", "250 m", "168 m", "150 m" ]
null
B
null
aqua_rat
aqua_rat_29702
How many 1/12s are there in 37 1/2?
[ "450", "500", "650", "700" ]
null
A
null
aqua_rat
aqua_rat_220
The length of a rectangle is reduced by 20%. By what % would the width have to be increased to maintainthe original area?
[ "20%", "25%", "30%", "45%" ]
null
B
null
aqua_rat
aqua_rat_81063
A music store has 90 different CD's. If an average price is $12 per CD and 20 of the most expensive ones are $20 each, what is the average price of the remaining CD's?
[ "8.75", "9.23", "9.71", "10.07" ]
null
C
null
aqua_rat
aqua_rat_48803
The game of blackjack is played with a deck consisting of 13 cards (one of each of the numbers 2-10, one jack, one queen, one king, and one of ace) in each of four suits: clubs, diamonds, hearts, and spades. In a game of blackjack, if your first card is a spade, what are the odds Y that it is an ace?
[ "1/26", "1/13", "1/4", "5/13" ]
null
B
null
aqua_rat
aqua_rat_36580
If 3 people can do 3 times of a particular work in 3 days, then how many days would it take 4 people to do 4 times of that particular work?
[ "2", "3", "4", "7" ]
null
B
null
aqua_rat
aqua_rat_78345
The third proportional to 0.24 and 0.36 is :
[ "64", "54", "58", "66" ]
null
B
null
aqua_rat
aqua_rat_32154
The charge for a single room at Hotel P is 40 percent less than the charge for a single room at Hotel R and 10 percent less than the charge for a single room at Hotel G. The charge for a single room at Hotel R is what percent greater than the charge for a single room at Hotel G ?
[ "20%", "40%", "50%", "150%" ]
null
C
null
aqua_rat
aqua_rat_44659
Statements: Government has spoiled many top ranking financial institutions by appointing bureaucrats as Directors of these institutions. Assumptions: 1) Government should appoint Directors of the financial institutes taking into consideration the expertise of the person in the area of finance. 2) The Director of the financial institute should have expertise commensurate with the financial work carried out by the institute.
[ "Only conclusion II follows", "Either I or II follows", "Neither I nor II follows", "Both I and II follow" ]
null
D
null
aqua_rat
aqua_rat_28799
Two water pumps, working simultaneously at their respective constant rates, took exactly five hours to fill a certain swimming pool. If the constant rate of one pump was 1.5 times the constant rate of the other, how many hours would it have taken the faster pump to fill the pool if it had worked alone at its constant rate?
[ "16/3", "11/2", "6", "25/3" ]
null
D
null
aqua_rat
aqua_rat_81550
There are two examinations rooms A and B. If 10 students are sent from A to B, then the number of students in each room is the same. If 20 candidates are sent from B to A, then the number of students in A is double the number of students in B. The number of students in room A is:
[ "80", "100", "200", "None" ]
null
B
null
aqua_rat
aqua_rat_80474
A manufacturer of a certain type of screw rejects any screw whose length is less than 2.47 centimeters or greater than 2.53 centimeters. If k represents the length of a screw, in centimeters, which of the following inequalities specifies all the lengths of screws that are acceptable?
[ "|k — 0.03| <= 2.5", "|k — 2.5| > 0.03", "|k — 2.5| >= 0.06", "|k — 2.5| <= 0.03" ]
null
D
null
aqua_rat
aqua_rat_46342
The length of the bridge, which a train 130 meters long and travelling at 45 km/hr can cross in 30 seconds, is?
[ "267", "245", "288", "261" ]
null
B
null
aqua_rat
aqua_rat_51734
How many words can be formed by using all letters of the word 'BIHAR' ?
[ "120", "157", "136", "142" ]
null
A
null
aqua_rat
aqua_rat_5850
If W is the set of all the integers between 59 and 99, inclusive, that are either multiples of 3 or multiples of 2 or multiples of both, then W contains how many numbers?
[ "27", "33", "34", "35" ]
null
A
null
aqua_rat
aqua_rat_67875
Of three numbers, the third is four times the second and the second is two times the first. If their average is 165, the smallest of the three numbers is:
[ "19", "45", "21", "22" ]
null
B
null
aqua_rat
aqua_rat_61874
A pack of 52 playing cards, 2 cards aredrawn together at random. Find the probability of both the cards being king ?
[ "3/234", "1/221", "2/314", "3/431" ]
null
B
null
aqua_rat
aqua_rat_81097
The speed at which a man can row a boat in still water is 15 kmph. If he rows downstream, where the speed of current is 3 kmph, what time will he take to cover 120 metres?
[ "24", "17", "12", "13" ]
null
A
null
aqua_rat
aqua_rat_96013
There is 60% increase in an amount in 6 years at S.I. What will be the C.I. of Rs. 12,000 after 3 years at the same rate?
[ "Rs. 3972", "Rs. 3372", "Rs. 3942", "Rs. 3772" ]
null
B
null
aqua_rat
aqua_rat_77696
A train running at the speed of 60 km/hr crosses a pole in 9 sec. What is the length of the train?
[ "27", "299", "287", "150" ]
null
D
null
aqua_rat
aqua_rat_43784
Veena ranks 79rd from the top in a class of 182. What is her rank from the bottom if 22 students have failed the examination?
[ "108", "82", "90", "93" ]
null
B
null
aqua_rat
aqua_rat_44902
Ashok has Rs.1000, He invests a part of it at 3% per annum and remainder at 8% per annum, He earns Rs.100 in 2 years. Find the sum invested at different rates of interest?
[ "Rs.600, Rs.400", "Rs.700, Rs.300", "Rs.300, Rs.700", "Rs.300, Rs.800" ]
null
A
null
aqua_rat
aqua_rat_67263
The average of first six prime numbers which are between 50 and 90 is
[ "42", "45.7", "64", "67" ]
null
C
null
aqua_rat
aqua_rat_18196
Rodrick mixes a martini that has a volume of 'n' ounces having 35% 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?
[ "n/3", "2n/5", "5n/6", "8n/5" ]
null
B
null
aqua_rat
aqua_rat_5903
A jogger running at 9 km/hr along side a railway track is 200 m ahead of the engine of a 120 m long train running at 45 km/hr in the same direction. In how much time will the train pass the jogger?
[ "32", "36", "88", "34" ]
null
A
null
aqua_rat
aqua_rat_62431
Solve for x: 2x – y = (3/4)x + 6
[ "4(y + 6)/5", "(y + 6)", "4(y - 6)/5.", "-4(y-6)/5" ]
null
A
null
aqua_rat
aqua_rat_16763
The average of seven results is 156 and that of the first six is 169. The fifth result is?
[ "160", "89", "78", "148" ]
null
C
null
aqua_rat
aqua_rat_16364
A river 2m deep and 45 m wide is flowing at the rate of 3 kmph the amount of water that runs into the sea per minute is?
[ "1390", "2778", "2779", "2121" ]
null
A
null
aqua_rat
aqua_rat_42600
At a certain bowling alley, it costs $0.50 to rent bowling shoes for the day and $2 to bowl 1 game. If a person has $12.80 and must rent shoes, what is the greatest number of complete games that person can bowl in one day?
[ "8", "6", "10", "11" ]
null
B
null
aqua_rat
aqua_rat_24392
How many multiples of 7 are there between 21 and 343, inclusive ?
[ "47", "46", "45", "44" ]
null
A
null
aqua_rat
aqua_rat_88923
Two students appeared at an examination. One of them secured 9 marks more than the other and his marks was 56% of the sum of their marks. The marks obtained by them are
[ "42,31", "42,32", "42,33", "None of these" ]
null
C
null
aqua_rat
aqua_rat_69937
If there is exactly one root of the equation x^2 + ax - b, where a and b are positive constants, what is b in terms of a?
[ "a", "-a^2/4", "a^2/2", "a^2/4" ]
null
B
null
aqua_rat
aqua_rat_12885
X starts a business with Rs.45000. Y joins in the business after 7 months with Rs.30000. What will be the ratio in which they should share the profit at the end of the year?
[ "18:5", "1:5", "3:1", "1:1" ]
null
A
null
aqua_rat
aqua_rat_18852
If a motor bike's wheel is 12 cm diameter and rotating at the rate of x cm/min and another motor bike's wheel is 6 cm diameter rotating at the rate of y cm/min and if both the bikes reach the distance at same time then what is the value of y in terms of x?
[ "3x/6", "4x/2", "1x/2", "2x/3" ]
null
C
null
aqua_rat
aqua_rat_36141
The probability that a number selected at random from the first 50 natural numbers is a composite number is?
[ "17/21", "17/22", "17/29", "17/25" ]
null
D
null