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a shopkeeper sold an article offering a discount of 10 % and earned a profit of 25 % . what would have been the percentage of profit earned if no discount was offered ? | 2gain |
a certain high school has 500 students . of these students , 30 are taking music , 20 are taking art , and 10 are taking both music and art . how many students are taking neither music nor art ? | 5other |
a ranch has both horses and ponies . exactly 3 / 10 of the ponies have horseshoes , and exactly 5 / 8 of the ponies with horseshoes are from iceland . if there are 3 more horses than ponies , what is the minimum possible combined number of horses and ponies on the ranch ? | 0general |
two bullet trains of equal lengths take 10 seconds and 15 seconds respectively to cross a telegraph post . if the length of each bullet train be 120 metres , in what time ( in seconds ) will they cross each other travelling in opposite direction ? | 1physics |
there is food for 760 men for 22 days . how many more men should join after two days so that the same food may last for 8 days more ? | 1physics |
if the price of a tv is first decreased by 20 % and then increased by 55 % , then the net change in the price will be : | 0general |
what is the smallest integer c for which 27 ^ c > 3 ^ 24 ? | 0general |
in order to obtain an income of rs . 600 from 12 % stock at rs . 106 , one must make an investment of | 2gain |
speed of a boat in standing water is 16 kmph and the speed of the stream is 2 kmph . a man rows to a place at a distance of 7200 km and comes back to the starting point . the total time taken by him is : | 1physics |
a alone can do a piece of work in 6 days and b alone in 8 days . a and b undertook to do it for rs . 7000 . with the help of c , they completed the work in 3 days . how much is to be paid to c ? | 1physics |
what is the average ( arithmetic mean ) of all multiples of 10 from 10 to 400 inclusive ? | 0general |
a train 130 m long is running with a speed of 60 km / hr . in what time will it pass a man who is running at 4 km / hr in the direction opposite to that in which the train is going ? | 1physics |
after giving a discount of rs . 80 the shopkeeper still gets a profit of 10 % , if the cost price is rs . 200 . find the markup % ? | 2gain |
if the digits 27 in the decimal 0.00027 repeat indefinitely , what is the value of ( 10 ^ 5 - 10 ^ 3 ) ( 0.00027 ) ? | 0general |
one ball will drop from a certain height . the height it will reach after rebounding from the floor is 50 percent of the previous height . the total travel is 200 cm when it touches the floor on third time . what is the value of the original height ? | 2gain |
in the coordinate plane , one of the vertices of a square is the point ( - 3 , - 4 ) . if the diagonals of that square intersect at point ( 5 , 3 ) , what is the area of that square ? | 3geometry |
in a school with 652 students , the average age of the boys is 12 years and that of the girls is 11 years . if the average age of the school is 11 years 9 months , then the number of girls in the school is | 0general |
( 35423 + 7164 + 41720 ) - ( 317 x 89 ) = ? | 0general |
in a garden , there are yellow and green flowers which are straight and curved . if the probability of picking a green flower is 2 / 3 and picking a straight flower is 1 / 2 , then what is the probability of picking a flower which is yellow and straight | 4probability |
how many words , with or without meaning , can be formed using all letters of the word beautiful using each letter exactly once ? | 0general |
a shopkeeper sells his goods at cost price but uses a faulty meter that weighs 940 grams . find the profit percent . | 2gain |
the average of first six multiples of 4 is : | 0general |
a person can row at 10 kmph in still water . if the velocity of the current is 2 kmph and it takes him 20 hour to row to a place and come back , how far is the place ? | 1physics |
during a sale , the price of a pair of shoes is marked down 20 % from the regular price . after the sale ends , the price goes back to the original price . what is the percent of increase to the nearest percent from the sale price back to the regular price for the shoes ? | 2gain |
in what time will a train 320 m long cross an electric pole , it its speed be 144 km / hr ? | 1physics |
among 200 students , 56 % study sociology , 44 % study mathematics and 40 % study biology . if 30 % of students study both mathematics and sociology , what is the largest possible number of students who study biology but do not study either mathematics or sociology ? | 5other |
a person can row at 10 kmph in still water . if the velocity of the current is 2 kmph and it takes him 5 hour to row to a place and come back , how far is the place ? | 1physics |
what is the cost of leveling the field in the form of parallelogram at the rate of rs . 70 / 10 sq . metre , whose base & perpendicular distance from the other side being 84 m & 24 m respectively ? | 1physics |
during a certain two - week period , 70 percent of the movies rented from a video store were comedies , and of the remaining movies rented , there were 5 times as many dramas as action movies . if no other movies were rented during that two - week period and there were a action movies rented , then how many comedies , in terms of a , were rented during that two - week period ? | 0general |
country x taxes each of its citizens an amount equal to 11 percent of the first $ 40,000 of income , plus 20 percent of all income in excess of $ 40,000 . if a citizen of country x is taxed a total of $ 8,000 , what is her income ? | 0general |
list k consists of 14 consecutive integers . if - 4 is the least integer in list k , what is the range of the positive integers in list k ? | 0general |
a person travels equal distances with speeds of 3 km / hr , 4 km / hr and 5 km / hr and takes a total time of 40 minutes . the total distance is ? | 1physics |
the average of 20 results is 65 and the average of other 65 results is 20 . what is the average of all the results ? | 0general |
by investing rs . 1620 in 8 % stock , michael earns rs . 135 . the stock is then quoted at | 2gain |
in an election only two candidates contested . a candidate secured 70 % of the valid votes and won by a majority of 192 votes . find the total number of valid votes ? | 2gain |
how many liters of water must be evaporated from 50 liters of a 3 - percent sugar solution to get a 20 - percent solution ? | 2gain |
a combustion reaction forms carbon dioxide . a carbon dioxide molecule contains one carbon and two oxygen atoms . if , over a period of 10 minutes , a combustion reaction creates 10,000 molecules of carbon dioxide then approximately how many more atoms of oxygen than carbon are created on average per minute ? | 0general |
find the average of all the numbers between 6 and 34 which is divisible by 5 | 0general |
. 3 + 33 + 333 + 3.33 = ? | 0general |
an woman swims downstream 45 km and upstream 25 km taking 5 hours each time ; what is the speed of the current ? | 1physics |
find a sum for first 6 prime number ' ss ? | 0general |
a computer factory produces 8400 computers per month at a constant rate , how many computers are built every 30 minutes assuming that there are 28 days in one month ? | 1physics |
what least number should be subtracted from 3,381 so that the remainder when divided by 9 , 11 , and 17 will leave in each case the same remainder 8 ? | 0general |
a trader marked the selling price of an article at 40 % above the cost price . at the time of selling , he allows certain discount and suffers a loss of 1 % . he allowed a discount of : | 2gain |
diana is painting statues . she has 7 / 16 of a gallon of paint remaining . each statue requires 1 / 16 gallon of paint . how many statues can she paint ? | 0general |
in an election a candidate who gets 60 % of the votes is elected by a majority of 1300 votes . what is the total number of votes polled ? | 2gain |
fresh grapes contain 60 % by weight while dried grapes contain 20 % water by weight . what is the weight of dry grapes available from 30 kg of fresh grapes ? | 2gain |
without stoppages , a train travels certain distance with an average speed of 80 km / h , and with stoppages , it covers the same distance with an average speed of 60 km / h . how many minutes per hour the train stops ? | 1physics |
if 5 / ( 4 + 1 / x ) = 1 , then x = | 0general |
the average age of a class of 22 students is 21 years . the average increased by 1 when the teacher ' s age also included . what is the age of the teacher ? | 0general |
by selling 88 pens , a trader gains the cost of 22 pens . find his gain percentage ? | 2gain |
the population of a bacteria colony doubles every day . if it was started 9 days ago with 2 bacteria and each bacteria lives for 13 days , how large is the colony today ? | 1physics |
due to construction , the speed limit along an 9 - mile section of highway is reduced from 55 miles per hour to 35 miles per hour . approximately how many minutes more will it take to travel along this section of highway at the new speed limit than it would have taken at the old speed limit ? | 1physics |
if k is a non - negative integer and 18 ^ k is a divisor of 624,938 then 6 ^ k - k ^ 6 = | 0general |
in the first m games of a team ' s season , the ratio of the team ' s wins to its losses was 1 : 3 . in the subsequent n games , the ratio of the team ´ s wins to losses was 2 : 3 . if m : n = 4 : 5 , what was the ratio of the team ' s wins to its losses for all m + n games ? | 0general |
two trains start at same time from two stations and proceed towards each other at the rate of 20 km / hr and 25 km / hr respectively . when they meet , it is found that one train has traveled 55 km more than the other . what is the distance between the two stations ? | 0general |
the compound ratio of 5 : 6 , 3 : 2 and 4 : 5 ? | 5other |
in a division sum , the remainder is 6 and the divisor is 5 times the quotient and is obtained by adding 17 to the thrice of the remainder . the dividend is | 0general |
if albert ’ s monthly earnings rise by 36 % , he would earn $ 495 . if , instead , his earnings rise by only 25 % , how much ( in $ ) would he earn this month ? | 2gain |
lilly has 10 fish and rosy has 9 fish . in total , how many fish do they have in all ? | 0general |
after giving a discount of rs . 100 the shopkeeper still gets a profit of 30 % , if the cost price is rs . 1000 . find the markup % ? | 2gain |
of the goose eggs laid at a certain pond , 1 / 3 hatched and 4 / 5 of the geese that hatched from those eggs survived the first month . of the geese that survived the first month , 3 / 5 did not survive the first year . if 120 geese survived the first year and if no more than one goose hatched from each egg , how many goose eggs were laid at the pond ? | 0general |
a certain car traveled twice as many miles from town a to town b as it did from town b to town c . from town a to town b , the car averaged 20 miles per gallon , and from town b to town c , the car averaged 24 miles per gallon . what is the average miles per gallon that the car achieved on its trip from town a through town b to town c ? | 0general |
a bowl of fruit contains 10 apples and 23 oranges . how many oranges must be removed so that 50 % of the pieces of fruit in the bowl will be apples ? | 2gain |
given that p is a positive even integer with a positive units digit , if the units digit of p ^ 3 minus the units digit of p ^ 2 is equal to 0 , what is the units digit of p + 5 ? | 0general |
if a / x = 1 / 3 and a / y = 1 / 4 , then ( x + y ) = | 0general |
for the past n days , the average ( arithmetic mean ) daily production at a company was 70 units . if today ' s production of 90 units raises the average to 75 units per day , what is the value of n ? | 0general |
a is twice as good a work man as b and together they finish the work in 6 days . in how many days a alone can finish the work ? | 1physics |
three cubes of metal whose edges are 9 , 12 and 21 cm respectively , are melted and one new cube is made . find the edge of the new cube ? | 1physics |
a bottle contains a certain solution . in the bottled solution , the ratio of water to soap is 3 : 2 , and the ratio of soap to salt is five times this ratio . the solution is poured into an open container , and after some time , the ratio of water to soap in the open container is halved by water evaporation . at that time , what is the ratio of water to salt in the solution ? | 5other |
if a @ b = a * b ^ ( 1 / 2 ) then 4 @ 9 = ? self made | 0general |
population of a city in 20004 was 1000000 . if in 2005 there isan increment of 25 % , in 2006 there is a decrements of 35 % and in 2007 there is an increment of 45 % , then find the population of city atthe end of the year 2007 | 2gain |
the difference between simple interest and compound interest of a certain sum of money at 20 % per annum for 2 years is $ 48 . then the sum is | 2gain |
the equal amounts of money are deposited in two banks each at 15 % per annum for 3.5 years and 5 years respectively . if the difference between their interests is rs . 144 , find the each sum ? | 0general |
the number of stamps that p and q had were in the ratio of 5 : 3 respectively . after p gave q 10 stamps , the ratio of the number of p ' s stamps to the number of q ' s stamps was 9 : 7 . as a result of the gift , p had how many more stamps than q ? | 5other |
if y is the smallest positive integer such that 31,360 multiplied by y is the square of an integer , then y must be | 3geometry |
solution y is 30 percent liquid x and 70 percent water . if 3 kilograms of water evaporate from 8 kilograms of solution y and 3 kilograms of solution y are added to the remaining 6 kilograms of liquid , what percent of this new solution is liquid x ? | 2gain |
a train 480 m in length crosses a telegraph post in 16 seconds . the speed of the train is ? | 1physics |
a boat can travel with a speed of 13 km / hr in still water . if the speed of the stream is 4 km / hr . find the time taken by the boat to go 80 km downstream ? | 1physics |
a library has an average of 510 visitors on sunday and 240 on other days . the average number of visitors per day in a month of 30 days beginning with a sunday is ? | 0general |
the sum of present age of abe and the age before 7 years is 35 . find the present age of abe . what will be his age after 7 years ? | 0general |
the two lines y = x and x = - 6 intersect on the coordinate plane . what is the value of the area of the figure formed by the intersecting lines and the x - axis ? | 0general |
what distance will be covered by a bus moving at 36 kmph in 30 seconds ? | 1physics |
if 2.5 of a number is equal to 0.75 of another number , the ratio of the numbers is : | 5other |
the average weight of 29 students is 28 kg . by the admission of a new student , the average weight is reduced to 27.5 kg . the weight of the new student is | 0general |
if 4 tic equals 3 tacs and 6 tacs equal 4 tocs , what is the ratio of one tic to one toc ? | 5other |
the speed of a boat in still water is 30 kmph . what is the speed of the stream if the boat can cover 80 km downstream or 40 km upstream in the same time ? | 1physics |
after getting 2 successive discounts , a shirt with a list price of rs 150 is available at rs 105 . if the second discount is 12.55 , find the first discount . | 2gain |
a rectangular plot measuring 60 meters by 50 meters is to be enclosed by wire fencing . if the poles of the fence are kept 5 meters apart . how many poles will be needed ? | 1physics |
the arithmetic mean and standard deviation of a certain normal distribution are 15 and 1.5 , respectively . what value is exactly 2 standard deviations less than the mean ? | 0general |
in how many years will a sum of money doubles itself at 12 % per annum on simple interest ? | 2gain |
20 % of a number is more than 20 % of 650 by 190 . find the number ? | 2gain |
it will take 18 days for cameron to complete a certain task alone . he worked for 9 days before she was joined by sandra . both of them completed the remaining task in 3 and half days . how many days will it take both of them to complete the entire job ? | 1physics |
if greg buys 5 shirts , 4 trousers and 2 ties , the total cost is $ 80 . if greg buys 7 shirts , 4 trousers and 2 ties , the total cost is $ 70 . how much will it cost him to buy 2 trousers , 3 shirts and 1 ties ? | 0general |
what is the sum of all the numbers between 1 and 16 , inclusive ? | 0general |
ramesh purchased a refrigerator for rs . 12500 after getting a discount of 20 % on the labelled price . he spent rs . 125 on transport and rs . 250 on installation . at what price should it be sold so that the profit earned would be 20 % if no discount was offered ? | 2gain |
the distance between delhi and mathura is 100 kms . a starts from delhi with a speed of 50 kmph at 7 a . m . for mathura and b starts from mathura with a speed of 45 kmph at 8 p . m . from delhi . when will they meet ? | 1physics |
the length and breadth of a rectangular floor are 16.25 metre and 12.75 metre respectively . find how many minimum number of square tiles would be required to cover it completely ? | 3geometry |
a man can row upstream at 25 kmph and downstream at 37 kmph , and then find the speed of the man in still water ? | 1physics |
walking at 50 % of his usual speed a man takes 24 minutes more to cover a distance . what is his usual time to cover this distance ? | 1physics |
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