rootacess/math-qa-classification · Datasets at Hugging Face

Problem stringlengths 5 967	category class label 6 classes
a retailer purchases shirts from a wholesaler and then sells the shirts in her store at a retail price that is 50 percent greater than the wholesale price . if the retailer decreases the retail price by 30 percent this will have the same effect as increasing the wholesale price by what percent ?	2gain
on dividing 172 by a number , the quotient is 10 and the remainder is 2 . find the divisor .	0general
in what time a sum of money double itself at 4 % per annum simple interest ?	2gain
a big container is 35 % full with water . if 48 liters of water is added , the container becomes 3 / 4 full . what is the capacity of the big container in liters ?	0general
in a box , there are 8 orange , 7 black and 6 white balls . if one ball is picked up randomly . what is the probability that it is neither orange nor white ?	0general
suraj has a certain average of runs for 12 innings . in the 13 th innings he scores 96 runs thereby increasing his average by 5 runs . what is his average after the 13 th innings ?	0general
total number of boys and girls in a school is 150 . if the number of boys is x , then girls become x % of the total number of students . the number of boys is	0general
$ 20000 will become $ 60000 at 20 % p . a . find the time ?	2gain
a certain car dealership sells economy cars , luxury cars , and sport utility vehicles . the ratio of economy to luxury cars is 6 : 2 . the ratio of economy cars to sport utility vehicles is 5 : 3 . what is the ratio of luxury cars to sport utility vehicles ?	5other
what is the smallest integer that satisfies the inequality ( ( x - 3 ) / ( x ^ 2 - 8 x - 20 ) ) > 0 ?	0general
the average ( arithmetic mean ) of 20 , 40 , and 60 is 5 more than the average of 10 , 80 , and what number ?	0general
if a = 105 and a ^ 3 = 21 * 49 * 45 * b , what is the value of b ?	0general
james took a 3 - hour bike ride . in the second hour he traveled 30 miles , which was 20 percent farther than he traveled the first hour . if he traveled 25 percent farther in the third hour than he did in the second hour , how many miles did jose travel during the entire ride ?	1physics
calculate the value of n from the below equation : n ^ 3 â ˆ ’ 10 n + 20 = 44	0general
due to construction , the speed limit along an 9 - mile section of highway is reduced from 45 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
a number x is multiplied by 5 , and this product is then divided by 3 . if the positive square root of the result of these two operations equals x , what is the value of x if x ≠ 0 ?	0general
what amount does an investor receive if the investor invests $ 4000 at 10 % p . a . compound interest for two years , compounding done annually ?	2gain
a store owner estimates that the average price of type a products will increase by 40 % next year and that the price of type b products will increase by 10 % next year . this year , the total amount paid for type a products was $ 4500 and the total price paid for type b products was $ 8300 . according to the store owner ' s estimate , and assuming the number of products purchased next year remains the same as that of this year , how much will be spent for both products next year ?	0general
the school soccer team looks at their record and finds that they win , lose , and tie games in a ratio of 4 : 3 : 1 . how many games did they play if they lost 9 games ?	5other
if 9 gallons of gasoline are added to a tank that is already filled to 3 / 4 of its capacity , the tank is then filled to 9 / 10 of its capacity . how many gallons does the tank hold ?	0general
what is the remainder when 121212 . . . . . . . ( 300 ) digits is divided by 99 .	0general
walking 9 / 8 of his usual rate , a boy reaches his school 4 min early . find his usual time to reach the school ?	2gain
the average of 30 numbers is 48 . if three numbers namely 45 , 55 and 43 are discarded , the average of remaining numbers is ?	0general
a man rows his boat 95 km downstream and 45 km upstream , taking 2 1 / 2 hours each time . find the speed of the stream ?	1physics
a company has 15 managers and 75 associates . the 15 managers have an average salary of $ 210,000 . the 75 associates have an average salary of $ 30,000 . what is the average salary for the company ?	0general
a batsman scored 1 runs in his 18 th innings and that makes his average 18 . find his average upto the 17 th innings ?	0general
if jack walked 9 miles in 1 hour and 15 minutes , what was his rate of walking in miles per hour ?	1physics
a student chose a number , multiplied it by 2 , then subtracted 148 from the result and got 110 . what was the number he chose ?	0general
a crate measures 3 feet by 8 feet by 12 feet on the inside . a stone pillar in the shape of a right circular cylinder must fit into the crate for shipping so that it rests upright when the crate sits on at least one of its six sides . what is the radius , in feet , of the pillar with the largest volume that could still fit in the crate ?	3geometry
what percent of 17 is 17 percent of 1 ?	2gain
if [ x ] is the greatest integer less than or equal to x , what is the value of [ 1.6 ] + [ - 3.4 ] + [ 10.7 ] ?	0general
a firm is comprised of partners and associates in a ratio of 2 : 61 . if 75 more associates were hired , the ratio of partners to associates would be 4 : 137 . how many partners are currently in the firm ?	5other
evaluate : 37 - 18 ÷ 3 × 2 =	0general
a train 225 m long running at 90 kmph crosses a platform in 25 sec . what is the length of the platform ?	1physics
in an election only two candidates contested 20 % of the voters did not vote and 120 votes were declared as invalid . the winner got 200 votes more than his opponent thus he secured 41 % votes of the total voters on the voter list . percentage votes of the defeated candidate out of the total votes casted is :	0general
a 600 m long train crosses a platform in 39 sec while it crosses a signal pole in 18 sec . what is the length of the platform ?	1physics
17 times a number gives 187 . the number is	0general
0.0008154 / 0.00205 x 16.5 = ?	0general
if the area of a circle is 144 pi square feet , find its circumference .	3geometry
tammy climbed a mountain in two days . she spent a total of 14 hours climbing the mountain . on the second day , she walked at an average speed that was half a kilometer per hour faster , but 2 hours less than what she walked on the first day . if the total distance she climbed during the two days is 52 kilometers , how many r kilometers per hour did tammy walk on the second day ?	1physics
a man sitting in a train which is traveling at 80 kmph observes that a goods train , traveling in opposite direction , takes 9 seconds to pass him . if the goods train is 280 m long , find its speed . ?	1physics
howmany 3 digit numbers are there tens digit place is more than hundreds digit place and units place less than hundreds digit place ?	0general
a = 7 ^ 15 - 625 ^ 3 and a / x is an integer , where x is a positive integer greater than 1 , such that it does not have a factor p such that 1 < p < x , then how many different values for x are possible ?	0general
what is the total surface area in square meters of a rectangular solid whose length is 6 meters , width is 5 meters , and depth is 2 meters ?	3geometry
average of 10 matches is 32 , how many runs one should should score to increase his average by 4 runs .	0general
a particular library has 300 books in a special collection , all of which were in the library at the beginning of the month . these book are occasionally loaned out through an inter - library program . if , by the end of the month , 65 percent of books that were loaned out are returned and there are 244 books in the special collection at that time , how many books of the special collection were loaned out during that month ?	2gain
in a lake , there is a patch of lily pads . every day , the patch doubles in size . it takes 58 days for the patch to cover the entire lake , how many days would it take the patch to cover half of the lake ?	1physics
joshua and jose work at an auto repair center with 1 other workers . for a survey on health care insurance , 2 of the 6 workers will be randomly chosen to be interviewed . what is the probability that joshua and jose will both be chosen ?	1physics
what is the value of n if the sum of the consecutive odd intergers e from 1 to n equals 169 ?	0general
the average of first thirteen prime numbers which are odd is ?	0general
joseph completes work worth $ 3.25 in hour and his cost to company per hour is $ 2.85 . ray completes worth worth of $ 2.80 in an hour and his cost to company is $ 2.65 per hour . if joseph works for 55000 hours , how many must ray work so that company makes at least as much in total gross profit as in case of joseph ?	1physics
a train 250 m long passes a man , running at 5 km / hr in the same direction in which the train is going , in 10 seconds . the speed of the train is :	1physics
of the 200 employees at company x , 50 are full - time , and 150 have worked at company x for at least a year . there are 10 employees at company x who aren ’ t full - time and haven ’ t worked at company x for at least a year . how many full - time employees of company x have worked at the company for at least a year ?	0general
if the volume of two cubes are in the ratio 64 : 8 , the ratio of their edges is :	3geometry
population is 24000 . population increases by 10 % every year , then the population after 3 years is ?	2gain
a man purchased 3 blankets @ rs . 100 each , 2 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 ?	0general
find the least number which when divided by 34 and 5 leaves a remainder of 4 in each case .	0general
an artist wishes to paint a circular region on a square poster that is 3 feet on a side . if the area of the circular region is to be 1 / 2 the area of the poster , what must be the radius of the circular region in feet ?	3geometry
two trains 120 m and 150 m long run at the speed of 60 km / hr and 40 km / hr respectively in opposite directions on parallel tracks . the time which they take to cross each other is ?	1physics
a 160 meter long train crosses a man standing on the platform in 8 sec . what is the speed of the train ?	1physics
18 beavers , working together in a constant pace , can build a dam in 12 hours . how many hours will it take 12 beavers that work at the same pace , to build the same dam ?	1physics
a batsman makes a score of 87 runs in the 17 th inning and thus increases his avg by 3 . find his average after 17 th inning .	0general
a company produces 120000 bottles of water everyday . if a case can hold 12 bottles of water . how many cases are required by the company to hold its one day production	1physics
at a garage sale , all of the items were sold at different prices . if the price of a radio sold at the garage sale was both the 15 th highest price and the 22 nd lowest price among the prices of the items sold , how many items were sold at the garage sale ?	5other
the cash difference between the selling prices of an book at a profit of 4 % and 6 % is $ 3 . the ratio of the two selling prices is :	2gain
in town x , 120 percent of the population are employed , and 80 percent of the population are employed males . what percent of the employed people in town x are females ?	2gain
if an average hard drive had a capacity of 0.1 tb in 2000 , and average hard drive capacities double every 5 years , what will be the average hard drive capacity in 2050 ?	0general
( x + 3 ) is a factor in x ^ 2 - mx - 15 . what is the value of m ?	0general
a small water pump would take 3 hours to fill an empty tank . a larger pump would take 1 / 4 hour to fill the same tank . how many hours would it take both pumps , working at their respective constant rates , to fill the empty tank if they began pumping at the same time ?	1physics
by approximately what percent is x greater than 4 / 7 if ( 1 / 7 ) ( x ) = 1 ?	0general
when 1 / 10 percent of 3,000 is subtracted from 1 / 10 of 3,000 , the difference is	0general
how many multiples of 5 are there between 10 and 89 , 10 and 89 inclusive ?	0general
a worker can load one truck in 5 hours . a second worker can load the same truck in 8 hours . if both workers load one truck simultaneously while maintaining their constant rates , approximately how long , in hours , will it take them to fill one truck ?	1physics
if 4 a = 5 b and ab ≠ 0 , what is the ratio of a / 5 to b / 4 ?	0general
what number is that , to which if 1 , 5 , and 13 , be severally added , the first sum shall be to the second , as the second to the third ?	0general
the price of a cycle is reduced by 25 per cent . the new price is reduced by a further 40 per cent . the two reductions together are equal to a single reduction of	0general
2.505 / 10.02 =	0general
1000 boys have provisions for 15 days . if 200 more men join them , for how many days will the provisions last now ?	1physics
in a certain neighborhood , there are half as many beige houses as white houses , and 6 times as many white houses as brown houses . what is the ratio of the number of brown houses to the number of beige houses ?	5other
the surface area of a sphere is 4 π r ^ 2 , where r is the radius of the sphere . if the surface area of sphere a is eight times as large as the surface area of sphere b , then the radius of sphere a is how many times the radius of sphere b ?	3geometry
a man buy a book in rs 50 & sale it rs 50 . what is the rate of profit ? ? ?	2gain
a train passes a station platform in 50 sec and a man standing on the platform in 20 sec . if the speed of the train is 72 km / hr . what is the length of the platform ?	1physics
certain stocks in january were 40 % less than they were in february and 15 % greater than they were in march . what was the percentage decrease in the stocks from february to march ?	0general
the length of the bridge , which a train 150 metres long and travelling at 45 km / hr can cross in 30 seconds , is :	1physics
fresh grapes contain 85 % water by weight and raisins obtained by drying fresh grapes contain 25 % water by weight . how many kgs of fresh grapes are needed to get 20 kgs of raisins ?	2gain
the average age of a family of 6 members is 24 years . if the age of the youngest member is 8 years , what was the average age of the family at the birth of the youngest member ?	0general
tickets to a certain concert sell for $ 20 each . the first 10 people to show up at the ticket booth received a 40 % discount , and the next 20 received a 15 % discount . if 45 people bought tickets to the concert , what was the total revenue from ticket sales ?	2gain
a car averages 35 miles per hour for the first 4 hours of a trip and averages 44 miles per hour for each additional hour of travel time . if the average speed for the entire trip is 38 miles per hour , how many hours long is the trip ?	1physics
a 300 m long train crosses a platform in 39 sec while it crosses a signal pole in 18 sec . what is the length of the platform ?	1physics
what is the decimal equivalent of ( 1 / 4 ) ^ 5 ?	0general
a palindrome is a number that reads the same front - to - back as it does back - to - front ( e . g . 202 , 575 , 1991 , etc . ) p is the smallest integer greater than 800 that is both a prime and a palindrome . what is the sum of the digits of p ?	0general
a reduction of 35 % in the price of apples would enable a man to obtain 42 more for rs . 20 , what is reduced price per dozen ?	2gain
what is the units digit of ( 52 ^ 5 ) ( 37 ^ 3 ) ( 71 ^ 9 ) ?	0general
how many seconds will a 220 metre long train take to cross a man running with a speed of 8 km / hr in the direction of the moving train if the speed of the train is 80 km / hr ?	1physics
pipe a can fill a tank in 16 minutes and pipe b cam empty it in 24 minutes . if both the pipes are opened together after how many minutes should pipe b be closed , so that the tank is filled in 30 minutes ?	1physics
what is the units digit of ( 147 ^ 25 ) ^ 50 ?	0general
fox jeans regularly sell for $ 15 a pair and pony jeans regularly sell for $ 18 a pair . during a sale these regular unit prices are discounted at different rates so that a total of $ 9 is saved by purchasing 5 pairs of jeans : 3 pairs of fox jeans and 2 pairs of pony jeans . if the sum of the two discounts rates is 33 percent , what is the discount rate on pony jeans ?	2gain
a train travelling at a speed of 75 mph enters a tunnel 31 / 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 ?	1physics
the value of log 343 7 is	5other
a watch was sold at a loss of 16 % . if it was sold for rs . 140 more , there would have been a gain of 4 % . what is the cost price ?	2gain

a retailer purchases shirts from a wholesaler and then sells the shirts in her store at a retail price that is 50 percent greater than the wholesale price . if the retailer decreases the retail price by 30 percent this will have the same effect as increasing the wholesale price by what percent ?

2gain

on dividing 172 by a number , the quotient is 10 and the remainder is 2 . find the divisor .

0general

in what time a sum of money double itself at 4 % per annum simple interest ?

2gain

a big container is 35 % full with water . if 48 liters of water is added , the container becomes 3 / 4 full . what is the capacity of the big container in liters ?

0general

in a box , there are 8 orange , 7 black and 6 white balls . if one ball is picked up randomly . what is the probability that it is neither orange nor white ?

0general

suraj has a certain average of runs for 12 innings . in the 13 th innings he scores 96 runs thereby increasing his average by 5 runs . what is his average after the 13 th innings ?

0general

total number of boys and girls in a school is 150 . if the number of boys is x , then girls become x % of the total number of students . the number of boys is

0general

$ 20000 will become $ 60000 at 20 % p . a . find the time ?

2gain

a certain car dealership sells economy cars , luxury cars , and sport utility vehicles . the ratio of economy to luxury cars is 6 : 2 . the ratio of economy cars to sport utility vehicles is 5 : 3 . what is the ratio of luxury cars to sport utility vehicles ?

5other

what is the smallest integer that satisfies the inequality ( ( x - 3 ) / ( x ^ 2 - 8 x - 20 ) ) > 0 ?

0general

the average ( arithmetic mean ) of 20 , 40 , and 60 is 5 more than the average of 10 , 80 , and what number ?

0general

if a = 105 and a ^ 3 = 21 * 49 * 45 * b , what is the value of b ?

0general

james took a 3 - hour bike ride . in the second hour he traveled 30 miles , which was 20 percent farther than he traveled the first hour . if he traveled 25 percent farther in the third hour than he did in the second hour , how many miles did jose travel during the entire ride ?

1physics

calculate the value of n from the below equation : n ^ 3 â ˆ ’ 10 n + 20 = 44

0general

due to construction , the speed limit along an 9 - mile section of highway is reduced from 45 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

a number x is multiplied by 5 , and this product is then divided by 3 . if the positive square root of the result of these two operations equals x , what is the value of x if x ≠ 0 ?

0general

what amount does an investor receive if the investor invests $ 4000 at 10 % p . a . compound interest for two years , compounding done annually ?

2gain

a store owner estimates that the average price of type a products will increase by 40 % next year and that the price of type b products will increase by 10 % next year . this year , the total amount paid for type a products was $ 4500 and the total price paid for type b products was $ 8300 . according to the store owner ' s estimate , and assuming the number of products purchased next year remains the same as that of this year , how much will be spent for both products next year ?

0general

the school soccer team looks at their record and finds that they win , lose , and tie games in a ratio of 4 : 3 : 1 . how many games did they play if they lost 9 games ?

5other

if 9 gallons of gasoline are added to a tank that is already filled to 3 / 4 of its capacity , the tank is then filled to 9 / 10 of its capacity . how many gallons does the tank hold ?

0general

what is the remainder when 121212 . . . . . . . ( 300 ) digits is divided by 99 .

0general

walking 9 / 8 of his usual rate , a boy reaches his school 4 min early . find his usual time to reach the school ?

2gain

the average of 30 numbers is 48 . if three numbers namely 45 , 55 and 43 are discarded , the average of remaining numbers is ?

0general

a man rows his boat 95 km downstream and 45 km upstream , taking 2 1 / 2 hours each time . find the speed of the stream ?

1physics

a company has 15 managers and 75 associates . the 15 managers have an average salary of $ 210,000 . the 75 associates have an average salary of $ 30,000 . what is the average salary for the company ?

0general

a batsman scored 1 runs in his 18 th innings and that makes his average 18 . find his average upto the 17 th innings ?

0general

if jack walked 9 miles in 1 hour and 15 minutes , what was his rate of walking in miles per hour ?

1physics

a student chose a number , multiplied it by 2 , then subtracted 148 from the result and got 110 . what was the number he chose ?

0general

a crate measures 3 feet by 8 feet by 12 feet on the inside . a stone pillar in the shape of a right circular cylinder must fit into the crate for shipping so that it rests upright when the crate sits on at least one of its six sides . what is the radius , in feet , of the pillar with the largest volume that could still fit in the crate ?

3geometry

what percent of 17 is 17 percent of 1 ?

2gain

if [ x ] is the greatest integer less than or equal to x , what is the value of [ 1.6 ] + [ - 3.4 ] + [ 10.7 ] ?

0general

a firm is comprised of partners and associates in a ratio of 2 : 61 . if 75 more associates were hired , the ratio of partners to associates would be 4 : 137 . how many partners are currently in the firm ?

5other

evaluate : 37 - 18 ÷ 3 × 2 =

0general

a train 225 m long running at 90 kmph crosses a platform in 25 sec . what is the length of the platform ?

1physics

in an election only two candidates contested 20 % of the voters did not vote and 120 votes were declared as invalid . the winner got 200 votes more than his opponent thus he secured 41 % votes of the total voters on the voter list . percentage votes of the defeated candidate out of the total votes casted is :

0general

a 600 m long train crosses a platform in 39 sec while it crosses a signal pole in 18 sec . what is the length of the platform ?

1physics

17 times a number gives 187 . the number is

0general

0.0008154 / 0.00205 x 16.5 = ?

0general

if the area of a circle is 144 pi square feet , find its circumference .

3geometry

tammy climbed a mountain in two days . she spent a total of 14 hours climbing the mountain . on the second day , she walked at an average speed that was half a kilometer per hour faster , but 2 hours less than what she walked on the first day . if the total distance she climbed during the two days is 52 kilometers , how many r kilometers per hour did tammy walk on the second day ?

1physics

a man sitting in a train which is traveling at 80 kmph observes that a goods train , traveling in opposite direction , takes 9 seconds to pass him . if the goods train is 280 m long , find its speed . ?

1physics

howmany 3 digit numbers are there tens digit place is more than hundreds digit place and units place less than hundreds digit place ?

0general

a = 7 ^ 15 - 625 ^ 3 and a / x is an integer , where x is a positive integer greater than 1 , such that it does not have a factor p such that 1 < p < x , then how many different values for x are possible ?

0general

what is the total surface area in square meters of a rectangular solid whose length is 6 meters , width is 5 meters , and depth is 2 meters ?

3geometry

average of 10 matches is 32 , how many runs one should should score to increase his average by 4 runs .

0general

a particular library has 300 books in a special collection , all of which were in the library at the beginning of the month . these book are occasionally loaned out through an inter - library program . if , by the end of the month , 65 percent of books that were loaned out are returned and there are 244 books in the special collection at that time , how many books of the special collection were loaned out during that month ?

2gain

in a lake , there is a patch of lily pads . every day , the patch doubles in size . it takes 58 days for the patch to cover the entire lake , how many days would it take the patch to cover half of the lake ?

1physics

joshua and jose work at an auto repair center with 1 other workers . for a survey on health care insurance , 2 of the 6 workers will be randomly chosen to be interviewed . what is the probability that joshua and jose will both be chosen ?

1physics

what is the value of n if the sum of the consecutive odd intergers e from 1 to n equals 169 ?

0general

the average of first thirteen prime numbers which are odd is ?

0general

joseph completes work worth $ 3.25 in hour and his cost to company per hour is $ 2.85 . ray completes worth worth of $ 2.80 in an hour and his cost to company is $ 2.65 per hour . if joseph works for 55000 hours , how many must ray work so that company makes at least as much in total gross profit as in case of joseph ?

1physics

a train 250 m long passes a man , running at 5 km / hr in the same direction in which the train is going , in 10 seconds . the speed of the train is :

1physics

of the 200 employees at company x , 50 are full - time , and 150 have worked at company x for at least a year . there are 10 employees at company x who aren ’ t full - time and haven ’ t worked at company x for at least a year . how many full - time employees of company x have worked at the company for at least a year ?

0general

if the volume of two cubes are in the ratio 64 : 8 , the ratio of their edges is :

3geometry

population is 24000 . population increases by 10 % every year , then the population after 3 years is ?

2gain

a man purchased 3 blankets @ rs . 100 each , 2 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 ?

0general

find the least number which when divided by 34 and 5 leaves a remainder of 4 in each case .

0general

an artist wishes to paint a circular region on a square poster that is 3 feet on a side . if the area of the circular region is to be 1 / 2 the area of the poster , what must be the radius of the circular region in feet ?

3geometry

two trains 120 m and 150 m long run at the speed of 60 km / hr and 40 km / hr respectively in opposite directions on parallel tracks . the time which they take to cross each other is ?

1physics

a 160 meter long train crosses a man standing on the platform in 8 sec . what is the speed of the train ?

1physics

18 beavers , working together in a constant pace , can build a dam in 12 hours . how many hours will it take 12 beavers that work at the same pace , to build the same dam ?

1physics

a batsman makes a score of 87 runs in the 17 th inning and thus increases his avg by 3 . find his average after 17 th inning .

0general

a company produces 120000 bottles of water everyday . if a case can hold 12 bottles of water . how many cases are required by the company to hold its one day production

1physics

at a garage sale , all of the items were sold at different prices . if the price of a radio sold at the garage sale was both the 15 th highest price and the 22 nd lowest price among the prices of the items sold , how many items were sold at the garage sale ?

5other

the cash difference between the selling prices of an book at a profit of 4 % and 6 % is $ 3 . the ratio of the two selling prices is :

2gain

in town x , 120 percent of the population are employed , and 80 percent of the population are employed males . what percent of the employed people in town x are females ?

2gain

if an average hard drive had a capacity of 0.1 tb in 2000 , and average hard drive capacities double every 5 years , what will be the average hard drive capacity in 2050 ?

0general

( x + 3 ) is a factor in x ^ 2 - mx - 15 . what is the value of m ?

0general

a small water pump would take 3 hours to fill an empty tank . a larger pump would take 1 / 4 hour to fill the same tank . how many hours would it take both pumps , working at their respective constant rates , to fill the empty tank if they began pumping at the same time ?

1physics

by approximately what percent is x greater than 4 / 7 if ( 1 / 7 ) ( x ) = 1 ?

0general

when 1 / 10 percent of 3,000 is subtracted from 1 / 10 of 3,000 , the difference is

0general

how many multiples of 5 are there between 10 and 89 , 10 and 89 inclusive ?

0general

a worker can load one truck in 5 hours . a second worker can load the same truck in 8 hours . if both workers load one truck simultaneously while maintaining their constant rates , approximately how long , in hours , will it take them to fill one truck ?

1physics

if 4 a = 5 b and ab ≠ 0 , what is the ratio of a / 5 to b / 4 ?

0general

what number is that , to which if 1 , 5 , and 13 , be severally added , the first sum shall be to the second , as the second to the third ?

0general

the price of a cycle is reduced by 25 per cent . the new price is reduced by a further 40 per cent . the two reductions together are equal to a single reduction of

0general

2.505 / 10.02 =

0general

1000 boys have provisions for 15 days . if 200 more men join them , for how many days will the provisions last now ?

1physics

in a certain neighborhood , there are half as many beige houses as white houses , and 6 times as many white houses as brown houses . what is the ratio of the number of brown houses to the number of beige houses ?

5other

the surface area of a sphere is 4 π r ^ 2 , where r is the radius of the sphere . if the surface area of sphere a is eight times as large as the surface area of sphere b , then the radius of sphere a is how many times the radius of sphere b ?

3geometry

a man buy a book in rs 50 & sale it rs 50 . what is the rate of profit ? ? ?

2gain

a train passes a station platform in 50 sec and a man standing on the platform in 20 sec . if the speed of the train is 72 km / hr . what is the length of the platform ?

1physics

certain stocks in january were 40 % less than they were in february and 15 % greater than they were in march . what was the percentage decrease in the stocks from february to march ?

0general

the length of the bridge , which a train 150 metres long and travelling at 45 km / hr can cross in 30 seconds , is :

1physics

fresh grapes contain 85 % water by weight and raisins obtained by drying fresh grapes contain 25 % water by weight . how many kgs of fresh grapes are needed to get 20 kgs of raisins ?

2gain

the average age of a family of 6 members is 24 years . if the age of the youngest member is 8 years , what was the average age of the family at the birth of the youngest member ?

0general

tickets to a certain concert sell for $ 20 each . the first 10 people to show up at the ticket booth received a 40 % discount , and the next 20 received a 15 % discount . if 45 people bought tickets to the concert , what was the total revenue from ticket sales ?

2gain

a car averages 35 miles per hour for the first 4 hours of a trip and averages 44 miles per hour for each additional hour of travel time . if the average speed for the entire trip is 38 miles per hour , how many hours long is the trip ?

1physics

a 300 m long train crosses a platform in 39 sec while it crosses a signal pole in 18 sec . what is the length of the platform ?

1physics

what is the decimal equivalent of ( 1 / 4 ) ^ 5 ?

0general

a palindrome is a number that reads the same front - to - back as it does back - to - front ( e . g . 202 , 575 , 1991 , etc . ) p is the smallest integer greater than 800 that is both a prime and a palindrome . what is the sum of the digits of p ?

0general

a reduction of 35 % in the price of apples would enable a man to obtain 42 more for rs . 20 , what is reduced price per dozen ?

2gain

what is the units digit of ( 52 ^ 5 ) ( 37 ^ 3 ) ( 71 ^ 9 ) ?

0general

how many seconds will a 220 metre long train take to cross a man running with a speed of 8 km / hr in the direction of the moving train if the speed of the train is 80 km / hr ?

1physics

pipe a can fill a tank in 16 minutes and pipe b cam empty it in 24 minutes . if both the pipes are opened together after how many minutes should pipe b be closed , so that the tank is filled in 30 minutes ?

1physics

what is the units digit of ( 147 ^ 25 ) ^ 50 ?

0general

fox jeans regularly sell for $ 15 a pair and pony jeans regularly sell for $ 18 a pair . during a sale these regular unit prices are discounted at different rates so that a total of $ 9 is saved by purchasing 5 pairs of jeans : 3 pairs of fox jeans and 2 pairs of pony jeans . if the sum of the two discounts rates is 33 percent , what is the discount rate on pony jeans ?

2gain

a train travelling at a speed of 75 mph enters a tunnel 31 / 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 ?

1physics

the value of log 343 7 is

5other

a watch was sold at a loss of 16 % . if it was sold for rs . 140 more , there would have been a gain of 4 % . what is the cost price ?

2gain