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1 ⁄ 5 of a number is equal to 5 ⁄ 8 of the second number . if 35 is added to the first number then it becomes 4 times of second number . what is the value of the second number ? | Mathematical |
when positive integer n is divided by 5 , the remainder is 1 . when n is divided by 7 , the remainder is 3 . what is the smallest positive integer k such that k + n is a multiple of 75 . | Mathematical |
in what time will a train 130 m long cross an electric pole , it its speed be 144 km / hr ? | Mathematical |
donald duck can can swim his pool downstream ( with the pool current helping time ) in exact 40 seconds and upstream ( against the pool current ) in a pool in exact 60 seconds . the length of pool is 2 kilometers . how long donald duck can cover distance of one side at a still pool ( with no current ) . | Mathematical |
a number is increased by 11 % and then reduced by 10 % . after these operations , the number : | Mathematical |
an plane covers a certain distance at a speed of 240 kmph in 5 hours . to cover the same distance in 5 / 3 hours , it must travel at a speed of ? | Mathematical |
the ages of patrick and michael are in the ratio of 3 : 5 and that of michael and monica are in the ratio of 3 : 4 . if the sum of their ages is 132 , what is the difference between the ages of patrick and monica ? | Mathematical |
two vessels contains equal number of mixtures milk and water in the ratio 5 : 2 and 6 : 1 . both the mixtures are now mixed thoroughly . find the ratio of milk to water in the new mixture so obtained ? | Mathematical |
ashok secured average of 80 marks in 6 subjects . if the average of marks in 5 subjects is 74 , how many marks did he secure in the 6 th subject ? | Mathematical |
out of 410 students of a school , 325 play football , 175 play cricket and 50 neither play football nor cricket . how many students play both football and cricket ? | Mathematical |
a number consists of 3 digit whose sum is 10 . the middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed . the number is : | Mathematical |
what amount does an investor receive if the investor invests $ 5000 at 10 % p . a . compound interest for two years , compounding done annually ? | Mathematical |
of the 3,600 employees of company x , 1 / 4 are clerical . if the clerical staff were to be reduced by 1 / 4 , what percent of the total number of the remaining employees would then be clerical ? | Mathematical |
there are 12 teams in a certain league and each team plays each of the other teams exactly once . what is the total number of games played ? | Mathematical |
tough and tricky questions : statistics . set x consists of prime numbers { 3 , 11 , 7 , a , 17 , 19 } . if integer y represents the product of all elements in set x and if 11 y is an even number , what is the range of set x ? | Mathematical |
in a simultaneous throw of a pair of dice , find the probability of getting a total more than 4 | Mathematical |
what is the total number of integers between 100 and 250 that are divisible by 5 ? | Mathematical |
what profit percent is made by selling an article at a certain price , if by selling at 4 / 5 rd of that price , there would be a loss of 20 % ? | Mathematical |
on a sum of money , the simple interest for 2 years is rs . 320 , while the compound interest is rs . 340 , the rate of interest being the same in both the cases . the rate of interest is | Mathematical |
if x , y , and z are positive real numbers such that x ( y + z ) = 62 , y ( z + x ) = 82 , and z ( x + y ) = 100 , then xyz is | Mathematical |
of the families in city x in 1992 , 30 percent owned a personal computer . the number of families in city x owning a computer in 1999 was 50 percent greater than it was in 1992 , and the total number of families in city x was 5 percent greater in 1999 than it was in 1994 . what percent of the families in city x owned a personal computer in 1999 ? | Mathematical |
of the votes cast on a certain proposal , 70 more were in favor of the proposal than were against it . if the number of votes against the proposal was 40 percent of the total vote , what was the total number of votes cast ? ( each vote cast was either in favor of the proposal or against it . ) | Mathematical |
a man can do a piece of work in 4 days , but with the help of his son he can do it in 3 days . in what time can the son do it alone ? | Mathematical |
beginning in town a , biker bob rides his bike 10 miles west , 5 miles north , 5 miles east , and then 15 miles north , to town b . how far apart are town a and town b ? ( ignore the curvature of the earth . ) | Mathematical |
a , b and c have rs . 400 between them , a and c together have rs . 300 and b and c rs . 150 . how much does c have ? | Mathematical |
0.0002152 / 0.000205 x 12.05 = ? | Mathematical |
city x has a population 8 times as great as the population of city y , which has a population twice as great as the population of city z . what is the ratio of the population of city x to the population of city z ? | Mathematical |
in digging a pond 20 m * 10 m * 8 m the volumes of the soil extracted will be ? | Mathematical |
a man took loan from a bank at the rate of 12 % p . a . s . i . after 10 years he had to pay rs . 1500 interest only for the period . the principal amount borrowed by him was ? | Mathematical |
in a bus left side are 15 seats available , 3 few seats in right side because in rear exit door . each seat hold 3 people . in addition , there is a seat back can sit 8 people all together . how many people can sit in a bus ? | Mathematical |
if a town of 45,000 people is growing at a rate of approx . 1 % per year , the population of the town in 5 years will be closest to ? | Mathematical |
a computer wholesaler sells 10 different computers and each is priced differently . if the wholesaler chooses 3 computers for display at a trade show , what is the probability ( all things being equal ) that the two most expensive computers will be among the 3 chosen for display ? | Mathematical |
how many internal diagonals does a octagon ( eight sided polygon ) have ? | Mathematical |
on thursday mabel handled 90 transactions . anthony handled 10 % more transactions than mabel , cal handled 2 / 3 rds of the transactions that anthony handled , and jade handled 17 more transactions than cal . how much transactions did jade handled ? | Mathematical |
among 600 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 ? | Mathematical |
if a farmer sells 15 of his goats , his stock of feed will last for 4 more days than planned , but if he buys 20 more goats , he will run out of feed 3 days earlier than planned . if no goats are sold or bought , the farmer will be exactly on schedule . how many goats does the farmer have ? | Mathematical |
15 men take 21 days of 8 hrs . each to do a piece of work . how many days of 3 hrs . each would it take for 21 women if 3 women do as much work as 2 men ? | Mathematical |
if a tire rotates at 400 revolutions per minute when the car is traveling 72 km / h , what is the circumference of the tire ? | Mathematical |
a , b , c subscribe rs . 50000 for a business . a subscribes rs . 4000 more than b and b rs . 5000 more than c . out of a total profit of rs . 35000 , c receives : | Mathematical |
the sum of number of boys and girls in a school is 900 . if the number of boys is x , then the number of girls becomes x % of the total number of students . the number of boys is ? | Mathematical |
one half of a two digit number exceeds its one fourth by 3 . what is the sum of the digits of the number ? | Mathematical |
a student chose a number , multiplied it by 2 , then subtracted 200 from the result and got 110 . what was the number he chose ? | Mathematical |
20 beavers , working together in a constant pace , can build a dam in 3 hours . how many hours will it take 12 beavers that work at the same pace , to build the same dam ? | Mathematical |
the average expenditure of a labourer for 6 months was 90 and he fell into debt . in the next 4 months by reducing his monthly expenses to 60 he not only cleared off his debt but also saved 30 . his monthly income i | Mathematical |
an aeroplane covers a certain distance at a speed of 240 kmph in 5 hours . to cover the same distance in 1 hours , it must travel at a speed of : | Mathematical |
the length of rectangle is thrice its breadth and its perimeter is 48 m , find the area of the rectangle ? | Mathematical |
find the value of ( √ 1.1 ) / ( √ 0.81 ) + ( √ 1.44 ) / ( √ 0.49 ) is | Mathematical |
if rs . 7500 are borrowed at c . i at the rate of 4 % per annum , then after 6 years the amount to be paid is ? | Mathematical |
if x ^ 2 + y ^ 2 = 15 and xy = 3 , then ( x − y ) ^ 2 = | Mathematical |
the perimeter of a triangle is 48 cm and the in radius of the triangle is 2.5 cm . what is the area of the triangle ? | Mathematical |
if h = { 1 , 7 , 18 , 20 , 29 , 33 } , how much less is the mean of the numbers in h than the median of the numbers in h ? | Mathematical |
what will be the cost of house to paint which area equal to 484 sq ft , if the price per foot of building is rs . 20 | Mathematical |
x varies inversely as square of y . given that y = 2 for x = 1 . the value of x for y = 6 will be equal to ? | Mathematical |
two mba admissions committees are to be formed randomly from 6 second year mbas with 3 members each . what is the probability r that jane will be on the same committee as albert ? | Mathematical |
there are , in a certain league , 50 teams , and each team face another team for a total of 4 times . how many games are played in the season ? | Mathematical |
a cycle is bought for rs . 1000 and sold for rs . 2000 , find the gain percent ? | Mathematical |
a 360 m long train is running at a speed of 55 km / hr . it crossed a platform of length 520 m in ? | Mathematical |
5 x 1.6 - 2 x 1.4 / 1.3 = ? | Mathematical |
the speed of a car is 98 km in the first hour and 70 km in the second hour . what is the average speed of the car ? | Mathematical |
12 men work 8 hours per day to complete the work in 10 days . to complete the same work in 10 days , working 12 hours a day , the number of men required ? | Mathematical |
divide rs . 1301 between a and b , so that the amount of a after 7 years is equal to the amount of b after 9 years , the interest being compounded at 4 % per annum . | Mathematical |
heinz produces tomato puree by boiling tomato juice . the tomato puree has only 20 % water while the tomato juice has 90 % water . how many liters of tomato puree will be obtained from 40 litres of tomato juice ? | Mathematical |
david works at a resort from the beginning of march to the end of september . during the month of august this past year , he made 4 times the average ( arithmetic mean ) of his monthly totals in tips for the other months . his total tips for august were what fraction of his total tips for all of the months he worked ? | Mathematical |
a train 330 metres long is moving at a speed of 25 kmph . it will cross a man coming from the opposite direction at a speed of 2 km per hour in : | Mathematical |
walking at 4 / 5 of her normal speed , a worker is 15 minutes later than usual in reaching her office . the usual time ( in minutes ) taken by her to cover the distance between her home and her office is | Mathematical |
a cylinder of height h is 8 / 9 of water . when all of the water is poured into an empty cylinder whose radius is 25 percent larger than that of the original cylinder , the new cylinder is 3 / 5 full . the height of the new cylinder is what percent of h ? | Mathematical |
mary passed a certain gas station on a highway while traveling west at a constant speed of 40 miles per hour . then , 15 minutes later , paul passed the same gas station while traveling west at a constant speed of 60 miles per hour . if both drivers maintained their speeds and both remained on the highway for at least 2 hours , how long after he passed the gas station did paul catch up with mary ? | Mathematical |
a can do a job in 15 days and b in 30 days . if they work on it together for 4 days , then the fraction of the work that is left is ? | Mathematical |
the population of a city increases by 9 % per year but due to migration it decrease by 1 % per years . what will be the percentage increase in population in 3 years ? | Mathematical |
a cistern of capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.5 m and its walls are 5 cm thick . the thickness of the bottom is : | Mathematical |
if k is the greatest positive integer such that 3 ^ k is a divisor of 18 ! then k = | Mathematical |
if 18888 – n is divisible by 11 , and 0 < n < 11 , what is n ? | Mathematical |
after decreasing 56 % in the price of an article costs rs . 4400 . find the actual cost of an article ? | Mathematical |
for each of her sales , a saleswoman receives a commission equal to 20 percent of the first $ 500 of the total amount of the sale , plus 45 percent of the total amount in excess of $ 500 . if the total amount of one of her sales was $ 800 , the saleswoman ’ s commission was approximately what percent of the total amount of the sale ? | Mathematical |
a shop owner sells 50 mtr of cloth and gains sp of 10 mtrs . find the gain % ? | Mathematical |
find compound interest on rs . 7500 at 4 % per annum for 2 years , compounded annually . | Mathematical |
a number is 4 less than 6 times the other number . if the sum of both the number is 38 , what are the numbers ? | Mathematical |
two trains of length 250 m and 120 m are 50 m apart . they start moving towards each other on parallel tracks , at speeds 64 kmph and 42 kmph . after how much time will the trains meet ? | Mathematical |
the area of sector of a circle whose radius is 12 metro and whose angle at the center is 38 ° is ? | Mathematical |
if the l . c . m of two numbers is 750 and their product is 18750 , find the h . c . f of the numbers . | Mathematical |
the population of a bacteria culture doubles every 2 minutes . approximately how many minutes will it take for the population to grow from 1,000 to 200,000 bacteria | Mathematical |
the marks obtained by polly and sandy are in the ratio 3 : 5 and those obtained by sandy and willy are in the ratio of 3 : 2 . the marks obtained by polly and willy are in the ratio of . . . ? | Mathematical |
if the largest 3 digit number is subtracted from the smallest 5 digit number , then the remainder is | Mathematical |
x and y started a business investing rs . 50000 and rs 40000 respectively . in what ratio the profit earned after 2 years be divided between x and y respectively ? | Mathematical |
a man can row downstream at 26 kmph and upstream at 10 kmph . find the speed of the man in still water and the speed of stream respectively ? | Mathematical |
if log 1087.5 = 3.9421 , then the number of digits in ( 875 ) 10 is ? | Mathematical |
if $ 5,000 is invested in an account that earns 12 % interest compounded semi - annually , then the interest earned after one year would be how much greater than if the $ 5,000 had been invested at 8 % simple yearly interest ? | Mathematical |
the sides of a triangle are in the ratio 5 : 12 : 13 and its perimeter is 180 m , its area is ? | Mathematical |
if 2 ^ 4 , 2 ^ 3 , and 11 ^ 3 are factors of the product of 1,452 and w , where w is a positive integer , what is the smallest possible value of w ? | Mathematical |
what is the sum of 80 consecutive integers from - 39 inclusive , in a increasing order ? | Mathematical |
the profit earned by selling an article for rs . 832 is equal to the loss incurred when the same article is sold for rs . 448 . what should be the sale price for making 70 % profit ? | Mathematical |
a man has some hens and cows . if the number of heads be 46 and the number of feet equals 136 , then the number of hens will be | Mathematical |
find the smallest number which when divided by 13 and 17 leaves respective remainders of 3 and 7 . | Mathematical |
a ' s speed is 20 / 13 times that of b . if a and b run a race , what part of the length of the race should a give b as a head start , so that b beats a by 25 % of the length of the race ? | Mathematical |
find the constant k so that : - x 2 - ( k + 11 ) x - 8 = - ( x - 2 ) ( x - 4 ) | Mathematical |
what is the maximum number of pieces of birthday cake of size 10 ” by 10 ” that can be cut from a cake 20 ” by 20 ” ? | Mathematical |
if the sides of a triangle are 65 cm , 60 cm and 25 cm , what is its area ? | Mathematical |
a man walking at a rate of 15 km / hr crosses a bridge in 30 minutes . the length of the bridge is ? | Mathematical |
the population of a city increases by 7 % per year but due to migration it decrease by 1 % per years . what will be the percentage increase in population in 3 years ? | Mathematical |
at a restaurant , glasses are stored in two different - sized boxes . one box contains 12 glasses , and the other contains 16 glasses . if the average number of glasses per box is 15 , and there are 16 more of the larger boxes , what is the total number of glasses r at the restaurant ? ( assume that all boxes are filled to capacity . ) | Mathematical |