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

Problem stringlengths 5 967	category class label 6 classes
when the price of an article was reduced by 20 % its sale increased by 80 % . what was the net effect on the sale ?	2gain
a 110 cm long wire is to be cut into two pieces so that one piece will be 2 / 5 th of the other , how many centimeters will the shorter piece be ?	1physics
sachin is younger than rahul by 8 years . if the ratio of their ages is 7 : 9 , find the age of sachin	5other
how long does a train 110 m long running at the speed of 72 km / hr takes to cross a bridge 132 m length	1physics
a dishonest dealer claims to sell a product at its cost price . he uses a counterfeit weight which is 20 % less than the real weight . further greed overtook him and he added 25 % impurities to the product . find the net profit percentage of the dealer ?	0general
i flew my tiny seaplane to visit my mother . on the flight up , i flew at 110 mph . on the way home , i flew 90 mph . what was my average speed for the trip ?	1physics
in 30 years , a will be twice as old as b was 30 years ago . if a is now 5 years older than b , the present age of b is ?	0general
a jogger running at 9 kmph along side a railway track is 280 metres ahead of the engine of a 120 metre long train running at 45 kmph in the same direction . in how much time will the train pass the jogger ?	1physics
what is the square root of 0.16	5other
an escalator moves towards the top level at the rate of 7 ft . sec and its length is 180 feet . if a person walks on the moving escalator at the rate of 2 feet per second towards the top level , how much time does he take to cover the entire length .	2gain
the radius of a wheel is 22.4 cm . what is the distance covered by the wheel in making 1000 resolutions ?	1physics
a garrison of 2000 men has provisions for 60 days . at the end of 15 days , a reinforcement arrives , and it is now found that the provisions will last only for 20 days more . what is the reinforcement ?	1physics
anil grows tomatoes in his backyard which is in the shape of a square . each tomato takes 1 cm 2 in his backyard . this year , he has been able to grow 131 more tomatoes than last year . the shape of the backyard remained a square . how many tomatoes did anil produce this year ?	1physics
when asked what the time is , a person answered that the amount of time left is 1 / 5 of the time already completed . what is the time .	0general
a sum of money at simple interest amounts to rs . 1717 in 1 year and to rs . 1734 in 2 years . the sum is :	2gain
if remainder is 8 , quotient is 43 and dividend is 997 then what is divisor ?	0general
victor gets 80 % marks in examinations . if these are 240 marks , find the maximum marks .	2gain
the sides of a rectangular field are in the ratio 3 : 4 . if the area of the field is 10800 sq . m , the cost of fencing the field @ 25 paise per metre is	1physics
q and r are two - digit positive integers that have the same digits but in reverse order . if the positive difference between q and r is less than 60 , what is the greatest possible value of q minus r ?	0general
there were 35 students in a hostel . due to the admission of 7 new students the expenses of the mess were increased by rs . 84 per day while the average expenditure per head diminished by re 1 . what was the original expenditure of the mess ?	0general
27 is a perfect cube . when x is added to the prime factor of 27 , the result is also a perfect cube . what is x ?	0general
a 480 m long train is running at a speed of 55 km / hr . it crossed a platform of length 620 m in ?	1physics
if the sum and difference of two numbers are 15 and 10 respectively , then the difference of their square is :	0general
a batsman scored 100 runs which included 3 boundaries and 8 sixes . what percent of his total score did he make by running between the wickets ?	0general
a shopkeeper sold an article at $ 100 with 45 % profit . then find its cost price ?	2gain
lionel left his house and walked towards walt ' s house , 48 miles away . two hours later , walt left his house and ran towards lionel ' s house . if lionel ' s speed was 3 miles per hour and walt ' s 4 miles per hour , how many miles had lionel walked when he met walt ?	1physics
the difference between the local value and the face value of 6 in the numeral 85475641 is	0general
the sale price of an article including the sales tax is rs . 616 . the rate of sales tax is 10 % . if the shopkeeper has made a profit of 17 % , then the cost price of the article is :	2gain
28 is divided into two parts in such a way that seventh part of first and ninth part of second are equal . find the smallest part ?	0general
a 35 cm long wire is to be cut into two pieces so that one piece will be 2 / 5 th of the other , how many centimeters will the shorter piece be ?	1physics
car a is 30 miles behind car b , which is traveling in the same direction along the same route as car a . car a is traveling at a constant speed of 58 miles per hour and car bis traveling at a constant speed of 50 miles per hour . how many hours will it take for car a to overtake and drive 8 miles ahead of car b ?	1physics
if a car went the first third of the distance at 80 kmh , the second third at 18 kmh , and the last third at 48 kmh , what was the average speed of the car for the entire trip ?	1physics
in a group of ducks and cows , the total number of legs are 22 more than twice the no . of heads . find the total no . of buffaloes .	0general
how long does a train 110 meters long running at the rate of 36 km / hr take to cross a bridge 132 meters in length ?	2gain
a certain airline ' s fleet consisted of 100 type a planes at the beginning of 1980 . at the end of each year , starting with 1980 , the airline retired 3 of the type a planes and acquired 4 new type b plans . how many years did it take before the number of type a planes left in the airline ' s fleet was less than 50 percent of the fleet ?	2gain
the price of an article is cut by 10 % . to restore it to the former value , the new price must be increased by	2gain
on dividing 23 by a number , the quotient is 5 and the remainder is 3 . find the divisor .	0general
( 2 ^ 2 + 4 ^ 2 + 6 ^ 2 + . . . . . + 14 ^ 2 ) = ?	0general
a group of n students can be divided into equal groups of 4 with 1 student left over or equal groups of 5 with 2 students left over . what is the sum of the two smallest possible values of n ?	0general
find large number from below question the difference of two numbers is 100 . on dividing the larger number by the smaller , we get 9 as quotient and the 4 as remainder	0general
if taxi fares were $ 1.00 for the first 1 / 5 mile and $ 0.30 for each 1 / 5 mile there after , then the taxi fare for a 3 - mile ride was	0general
there are two positive numbers in the ratio 5 : 8 . if the larger number exceeds the smaller by 18 , then find the smaller number ?	5other
find the area of trapezium whose parallel sides are 18 cm and 12 cm long , and the distance between them is 14 cm ?	1physics
the function f ( x ) = x + 4 is given . solve the equation : [ 3 . f ( x - 2 ) ] / f ( 0 ) + 4 = f ( 2 x + 1 )	0general
a 340 - liter solution of kola is made from 80 % water , 6 % concentrated kola and the rest is made from sugar . if 3.2 liters of sugar , 10 liter of water and 6.8 liters of concentrated kola were added to the solution , what percent of the solution is made from sugar ?	2gain
find the largest 6 digit number which is exactly divisible by 88 ?	0general
( 0.12 ) ( power 3 ) - ( 0.1 ) ( power 3 ) / ( 0.12 ) ( power 2 ) + 0.012 + ( 0.1 ) ( power 2 ) is :	0general
if the sum of two numbers is 18 and the sum of their squares is 220 , then the product of the numbers is	0general
how many positive integers less than 10,000 are there in which the sum of the digits equals 5 ?	0general
from january 1 , 1991 , to january 1 , 1993 , the number of people enrolled in health maintenance organizations increased by 20 percent . the enrollment on january 1 , 1993 , was 50 million . how many million people , to the nearest million , were enrolled in health maintenance organizations on january 1 , 1991 ?	2gain
if the remainder is 7 when positive integer n is divided by 10 , what is the remainder when n is divided by 5 ?	0general
on a sum of money , the simple interest for 2 years is rs . 330 , while the compound interest is rs . 340 , the rate of interest being the same in both the cases . the rate of interest is	2gain
the average age of 30 students in a class is 10 years . if teacher ' s age is also included then average increases 1 year then find the teacher ' s age ?	0general
what must be added to each term of the ratio 7 : 11 , so as to make it equal to 3 : 4 ?	0general
jaime earned enough money by selling seashells at 22 cents each to buy several used paperback books at 55 cents each . if he spent all of the money he earned selling seashells to buy the books , what is the least number of seashells he could have sold ?	0general
the water level in a rectangular swimming pool measuring 60 feet by 20 feet is to be lowered by 6 inches . how many gallons of water must be removed ? ( 1 cu ft = 7.5 gallons )	3geometry
what will be the cost of building a fence around a square plot with area equal to 289 sq ft , if the price per foot of building the fence is rs . 57 ?	3geometry
3 friends alice , bond and charlie divide $ 1105 amongs them in such a way that if $ 10 , $ 20 and $ 15 are removed from the sums that alice , bond and charlie received respectively , then the share of the sums that they got will be in the ratio of 11 : 18 : 24 . how much did charlie receive ?	0general
mother , her daughter and her grand child weighs 150 kg . daughter and her daughter ( child ) weighs 60 kg . child is 1 / 5 th of her grand mother . what is the age of the daughter ?	0general
in a weight - lifting competition , the total weight of joe ' s two lifts was 900 pounds . if twice the weight of his first lift was 300 pounds more than the weight of his second lift , what was the weight , in pounds , of his first lift ?	0general
the h . c . f . of two numbers is 25 and the other two factors of their l . c . m . are 14 and 16 . the larger of the two numbers is	5other
in what time will a train 180 meters long cross an electric pole , if its speed is 154 km / hr	1physics
a miniature roulette wheel is divided into 9 equal sectors , each bearing a distinct integer from 1 to 9 , inclusive . each time the wheel is spun , a ball randomly determines the winning sector by settling in that sector . if the wheel is spun four times , approximately what is the probability that the product of the four winning sectors ’ integers will be even ?	0general
an article is bought for rs . 575 and sold for rs . 675 , find the gain percent ?	2gain
a cycle is bought for rs . 900 and sold for rs . 1150 , find the gain percent ?	2gain
an employer pays rs . 20 for each day a worker works and for felts rs . 3 for each day is ideal at the end of sixty days a worker gets rs . 280 . for how many days did the worker remain ideal ?	1physics
a train usually travels at a speed of 72 kmph crossing a pole in 7 sec , what would be the length of the train ?	1physics
a man received a cheque . the amount in rs . has been transposed for paise and vice versa . after spending rs . 5 and 42 paise , he discovered he now had exactly 6 times the value of the correct cheque amount . what amount he should have received ?	0general
if 30 % of ( x - y ) = 20 % of ( x + y ) , then what percent of x is y ?	0general
the digit in units place of the product 81 x 82 x . . . . . x 89 is	0general
alfred buys an old scooter for $ 4700 and spends $ 800 on its repairs . if he sells the scooter for $ 5800 , his gain percent is ?	2gain
a train running at a speed of 36 kmph crosses an electric pole in 12 seconds . in how much time will it cross a 380 m long platform ?	1physics
find the value of 3 + 2 • ( 8 – 3 )	0general
if the height of a cone is increased by 160 % then its volume is increased by ?	3geometry
if x is an integer and 2.134 × 10 ^ x is less than 210,000 , what is the greatest possible value for x ?	0general
in a renowned city , the average birth rate is 4 people every two seconds and the death rate is 3 people every two seconds . estimate the size of the population net increase that occurs in one day .	0general
a certain university will select 2 of 5 candidates eligible to fill a position in the mathematics department and 3 of 8 candidates eligible to fill 2 identical positions in the computer science department . if none of the candidates is eligible for a position in both departments , how many different sets of 3 candidates are there to fill the 3 positions ?	5other
the unit digit in the product ( 784 x 618 x 917 x 463 ) is	0general
a sum of money is to be distributed among a , b , c , d in the proportion of 6 : 2 : 4 : 3 . if c gets $ 500 more than d , what is d ' s share ?	0general
in an examination , 300 students appeared . out of these students ; 25 % got first division , 54 % got second division and the remaining just passed . assuming that no student failed ; find the number of students who just passed .	0general
walking at 4 / 7 of its usual speed , a train is 9 minutes late . find its usual time to cover the journey .	1physics
a no . when divided by the sum of 555 and 445 gives 2 times their difference as quotient & 25 as remainder . find the no . is ?	0general
a , b and c are partners . a receives 2 / 3 of profits , b and c dividing the remainder equally . a ' s income is increased by rs . 800 when the rate to profit rises from 5 to 7 percent . find the capital of b ?	0general
a father said his son , ` ` i was as old as you are at present at the time of your birth . ` ` if the father age is 32 now , the son age 5 years back was	0general
the current in a river is 8 mph . a boat can travel 20 mph in still water . how far up the river can the boat travel if the round trip is to take 10 hours ?	1physics
to asphalt 1 km road , 30 men spent 12 days working 8 hours per day . how many days , 20 men will spend to asphalt a road of 2 km working 9 hours a day ?	1physics
in a division sum , the remainder is 0 . as student mistook the divisor by 12 instead of 21 and obtained 56 as quotient . what is the correct quotient ?	0general
the h . c . f of two numbers is 36 and their l . c . m is 1600 . if one of the numbers is 160 , find the other ?	1physics
a group of 55 adults and 70 children go for trekking . if there is meal for either 70 adults or 90 children and if 21 adults have their meal , find the total number of children that can be catered with the remaining food .	0general
how many different pairs of positive integers ( a , b ) satisfy the equation 1 / a + 1 / b = 30 / 51 ?	0general
rahim bought 42 books for rs . 520 from one shop and 22 books for rs . 248 from another . what is the average price he paid per book ?	0general
a train running at the speed of 52 km / hr crosses a pole in 18 seconds . what is the length of the train ?	1physics
tom opened a shop investing rs . 30000 . jose joined him 2 months later , investing rs . 45000 . they earned a profit of rs . 45000 after completion of one year . what will be jose ' s share of profit ?	2gain
a train running at the speed of 300 km / hr crosses a pole in 33 seconds . what is the length of the train ?	1physics
a rectangle having length 105 cm and width 40 cm . if the length of the rectangle is increased by 20 5 percent then how much percent the breadth should be decreased so as to maintain the same area .	3geometry
if n divided by 7 has a remainder of 2 , what is the remainder when 6 times n is divided by 7 ?	0general
if 40 % of the 880 students at a certain college are enrolled in biology classes , how many students at the college are not enrolled in a biology class ?	5other
the smallest number which when diminished by 3 , is divisible by 12 , 16 , 18 , 21 and 28 is	0general
a rectangular lawn of dimensions 80 m * 50 m has two roads each 10 m wide running in the middle of the lawn , one parallel to the length and the other parallel to the breadth . what is the cost of traveling the two roads at rs . 3 per sq m ?	3geometry
the average age of students of a class is 15.8 years . the average age of boys in the class is 16.4 years and that of the girls is 15.2 years , the ratio of the number of boys to the number of girls in the class is	0general

when the price of an article was reduced by 20 % its sale increased by 80 % . what was the net effect on the sale ?

2gain

a 110 cm long wire is to be cut into two pieces so that one piece will be 2 / 5 th of the other , how many centimeters will the shorter piece be ?

1physics

sachin is younger than rahul by 8 years . if the ratio of their ages is 7 : 9 , find the age of sachin

5other

how long does a train 110 m long running at the speed of 72 km / hr takes to cross a bridge 132 m length

1physics

a dishonest dealer claims to sell a product at its cost price . he uses a counterfeit weight which is 20 % less than the real weight . further greed overtook him and he added 25 % impurities to the product . find the net profit percentage of the dealer ?

0general

i flew my tiny seaplane to visit my mother . on the flight up , i flew at 110 mph . on the way home , i flew 90 mph . what was my average speed for the trip ?

1physics

in 30 years , a will be twice as old as b was 30 years ago . if a is now 5 years older than b , the present age of b is ?

0general

a jogger running at 9 kmph along side a railway track is 280 metres ahead of the engine of a 120 metre long train running at 45 kmph in the same direction . in how much time will the train pass the jogger ?

1physics

what is the square root of 0.16

5other

an escalator moves towards the top level at the rate of 7 ft . sec and its length is 180 feet . if a person walks on the moving escalator at the rate of 2 feet per second towards the top level , how much time does he take to cover the entire length .

2gain

the radius of a wheel is 22.4 cm . what is the distance covered by the wheel in making 1000 resolutions ?

1physics

a garrison of 2000 men has provisions for 60 days . at the end of 15 days , a reinforcement arrives , and it is now found that the provisions will last only for 20 days more . what is the reinforcement ?

1physics

anil grows tomatoes in his backyard which is in the shape of a square . each tomato takes 1 cm 2 in his backyard . this year , he has been able to grow 131 more tomatoes than last year . the shape of the backyard remained a square . how many tomatoes did anil produce this year ?

1physics

when asked what the time is , a person answered that the amount of time left is 1 / 5 of the time already completed . what is the time .

0general

a sum of money at simple interest amounts to rs . 1717 in 1 year and to rs . 1734 in 2 years . the sum is :

2gain

if remainder is 8 , quotient is 43 and dividend is 997 then what is divisor ?

0general

victor gets 80 % marks in examinations . if these are 240 marks , find the maximum marks .

2gain

the sides of a rectangular field are in the ratio 3 : 4 . if the area of the field is 10800 sq . m , the cost of fencing the field @ 25 paise per metre is

1physics

q and r are two - digit positive integers that have the same digits but in reverse order . if the positive difference between q and r is less than 60 , what is the greatest possible value of q minus r ?

0general

there were 35 students in a hostel . due to the admission of 7 new students the expenses of the mess were increased by rs . 84 per day while the average expenditure per head diminished by re 1 . what was the original expenditure of the mess ?

0general

27 is a perfect cube . when x is added to the prime factor of 27 , the result is also a perfect cube . what is x ?

0general

a 480 m long train is running at a speed of 55 km / hr . it crossed a platform of length 620 m in ?

1physics

if the sum and difference of two numbers are 15 and 10 respectively , then the difference of their square is :

0general

a batsman scored 100 runs which included 3 boundaries and 8 sixes . what percent of his total score did he make by running between the wickets ?

0general

a shopkeeper sold an article at $ 100 with 45 % profit . then find its cost price ?

2gain

lionel left his house and walked towards walt ' s house , 48 miles away . two hours later , walt left his house and ran towards lionel ' s house . if lionel ' s speed was 3 miles per hour and walt ' s 4 miles per hour , how many miles had lionel walked when he met walt ?

1physics

the difference between the local value and the face value of 6 in the numeral 85475641 is

0general

the sale price of an article including the sales tax is rs . 616 . the rate of sales tax is 10 % . if the shopkeeper has made a profit of 17 % , then the cost price of the article is :

2gain

28 is divided into two parts in such a way that seventh part of first and ninth part of second are equal . find the smallest part ?

0general

a 35 cm long wire is to be cut into two pieces so that one piece will be 2 / 5 th of the other , how many centimeters will the shorter piece be ?

1physics

car a is 30 miles behind car b , which is traveling in the same direction along the same route as car a . car a is traveling at a constant speed of 58 miles per hour and car bis traveling at a constant speed of 50 miles per hour . how many hours will it take for car a to overtake and drive 8 miles ahead of car b ?

1physics

if a car went the first third of the distance at 80 kmh , the second third at 18 kmh , and the last third at 48 kmh , what was the average speed of the car for the entire trip ?

1physics

in a group of ducks and cows , the total number of legs are 22 more than twice the no . of heads . find the total no . of buffaloes .

0general

how long does a train 110 meters long running at the rate of 36 km / hr take to cross a bridge 132 meters in length ?

2gain

a certain airline ' s fleet consisted of 100 type a planes at the beginning of 1980 . at the end of each year , starting with 1980 , the airline retired 3 of the type a planes and acquired 4 new type b plans . how many years did it take before the number of type a planes left in the airline ' s fleet was less than 50 percent of the fleet ?

2gain

the price of an article is cut by 10 % . to restore it to the former value , the new price must be increased by

2gain

on dividing 23 by a number , the quotient is 5 and the remainder is 3 . find the divisor .

0general

( 2 ^ 2 + 4 ^ 2 + 6 ^ 2 + . . . . . + 14 ^ 2 ) = ?

0general

a group of n students can be divided into equal groups of 4 with 1 student left over or equal groups of 5 with 2 students left over . what is the sum of the two smallest possible values of n ?

0general

find large number from below question the difference of two numbers is 100 . on dividing the larger number by the smaller , we get 9 as quotient and the 4 as remainder

0general

if taxi fares were $ 1.00 for the first 1 / 5 mile and $ 0.30 for each 1 / 5 mile there after , then the taxi fare for a 3 - mile ride was

0general

there are two positive numbers in the ratio 5 : 8 . if the larger number exceeds the smaller by 18 , then find the smaller number ?

5other

find the area of trapezium whose parallel sides are 18 cm and 12 cm long , and the distance between them is 14 cm ?

1physics

the function f ( x ) = x + 4 is given . solve the equation : [ 3 . f ( x - 2 ) ] / f ( 0 ) + 4 = f ( 2 x + 1 )

0general

a 340 - liter solution of kola is made from 80 % water , 6 % concentrated kola and the rest is made from sugar . if 3.2 liters of sugar , 10 liter of water and 6.8 liters of concentrated kola were added to the solution , what percent of the solution is made from sugar ?

2gain

find the largest 6 digit number which is exactly divisible by 88 ?

0general

( 0.12 ) ( power 3 ) - ( 0.1 ) ( power 3 ) / ( 0.12 ) ( power 2 ) + 0.012 + ( 0.1 ) ( power 2 ) is :

0general

if the sum of two numbers is 18 and the sum of their squares is 220 , then the product of the numbers is

0general

how many positive integers less than 10,000 are there in which the sum of the digits equals 5 ?

0general

from january 1 , 1991 , to january 1 , 1993 , the number of people enrolled in health maintenance organizations increased by 20 percent . the enrollment on january 1 , 1993 , was 50 million . how many million people , to the nearest million , were enrolled in health maintenance organizations on january 1 , 1991 ?

2gain

if the remainder is 7 when positive integer n is divided by 10 , what is the remainder when n is divided by 5 ?

0general

on a sum of money , the simple interest for 2 years is rs . 330 , while the compound interest is rs . 340 , the rate of interest being the same in both the cases . the rate of interest is

2gain

the average age of 30 students in a class is 10 years . if teacher ' s age is also included then average increases 1 year then find the teacher ' s age ?

0general

what must be added to each term of the ratio 7 : 11 , so as to make it equal to 3 : 4 ?

0general

jaime earned enough money by selling seashells at 22 cents each to buy several used paperback books at 55 cents each . if he spent all of the money he earned selling seashells to buy the books , what is the least number of seashells he could have sold ?

0general

the water level in a rectangular swimming pool measuring 60 feet by 20 feet is to be lowered by 6 inches . how many gallons of water must be removed ? ( 1 cu ft = 7.5 gallons )

3geometry

what will be the cost of building a fence around a square plot with area equal to 289 sq ft , if the price per foot of building the fence is rs . 57 ?

3geometry

3 friends alice , bond and charlie divide $ 1105 amongs them in such a way that if $ 10 , $ 20 and $ 15 are removed from the sums that alice , bond and charlie received respectively , then the share of the sums that they got will be in the ratio of 11 : 18 : 24 . how much did charlie receive ?

0general

mother , her daughter and her grand child weighs 150 kg . daughter and her daughter ( child ) weighs 60 kg . child is 1 / 5 th of her grand mother . what is the age of the daughter ?

0general

in a weight - lifting competition , the total weight of joe ' s two lifts was 900 pounds . if twice the weight of his first lift was 300 pounds more than the weight of his second lift , what was the weight , in pounds , of his first lift ?

0general

the h . c . f . of two numbers is 25 and the other two factors of their l . c . m . are 14 and 16 . the larger of the two numbers is

5other

in what time will a train 180 meters long cross an electric pole , if its speed is 154 km / hr

1physics

a miniature roulette wheel is divided into 9 equal sectors , each bearing a distinct integer from 1 to 9 , inclusive . each time the wheel is spun , a ball randomly determines the winning sector by settling in that sector . if the wheel is spun four times , approximately what is the probability that the product of the four winning sectors ’ integers will be even ?

0general

an article is bought for rs . 575 and sold for rs . 675 , find the gain percent ?

2gain

a cycle is bought for rs . 900 and sold for rs . 1150 , find the gain percent ?

2gain

an employer pays rs . 20 for each day a worker works and for felts rs . 3 for each day is ideal at the end of sixty days a worker gets rs . 280 . for how many days did the worker remain ideal ?

1physics

a train usually travels at a speed of 72 kmph crossing a pole in 7 sec , what would be the length of the train ?

1physics

a man received a cheque . the amount in rs . has been transposed for paise and vice versa . after spending rs . 5 and 42 paise , he discovered he now had exactly 6 times the value of the correct cheque amount . what amount he should have received ?

0general

if 30 % of ( x - y ) = 20 % of ( x + y ) , then what percent of x is y ?

0general

the digit in units place of the product 81 x 82 x . . . . . x 89 is

0general

alfred buys an old scooter for $ 4700 and spends $ 800 on its repairs . if he sells the scooter for $ 5800 , his gain percent is ?

2gain

a train running at a speed of 36 kmph crosses an electric pole in 12 seconds . in how much time will it cross a 380 m long platform ?

1physics

find the value of 3 + 2 • ( 8 – 3 )

0general

if the height of a cone is increased by 160 % then its volume is increased by ?

3geometry

if x is an integer and 2.134 × 10 ^ x is less than 210,000 , what is the greatest possible value for x ?

0general

in a renowned city , the average birth rate is 4 people every two seconds and the death rate is 3 people every two seconds . estimate the size of the population net increase that occurs in one day .

0general

a certain university will select 2 of 5 candidates eligible to fill a position in the mathematics department and 3 of 8 candidates eligible to fill 2 identical positions in the computer science department . if none of the candidates is eligible for a position in both departments , how many different sets of 3 candidates are there to fill the 3 positions ?

5other

the unit digit in the product ( 784 x 618 x 917 x 463 ) is

0general

a sum of money is to be distributed among a , b , c , d in the proportion of 6 : 2 : 4 : 3 . if c gets $ 500 more than d , what is d ' s share ?

0general

in an examination , 300 students appeared . out of these students ; 25 % got first division , 54 % got second division and the remaining just passed . assuming that no student failed ; find the number of students who just passed .

0general

walking at 4 / 7 of its usual speed , a train is 9 minutes late . find its usual time to cover the journey .

1physics

a no . when divided by the sum of 555 and 445 gives 2 times their difference as quotient & 25 as remainder . find the no . is ?

0general

a , b and c are partners . a receives 2 / 3 of profits , b and c dividing the remainder equally . a ' s income is increased by rs . 800 when the rate to profit rises from 5 to 7 percent . find the capital of b ?

0general

a father said his son , ` ` i was as old as you are at present at the time of your birth . ` ` if the father age is 32 now , the son age 5 years back was

0general

the current in a river is 8 mph . a boat can travel 20 mph in still water . how far up the river can the boat travel if the round trip is to take 10 hours ?

1physics

to asphalt 1 km road , 30 men spent 12 days working 8 hours per day . how many days , 20 men will spend to asphalt a road of 2 km working 9 hours a day ?

1physics

in a division sum , the remainder is 0 . as student mistook the divisor by 12 instead of 21 and obtained 56 as quotient . what is the correct quotient ?

0general

the h . c . f of two numbers is 36 and their l . c . m is 1600 . if one of the numbers is 160 , find the other ?

1physics

a group of 55 adults and 70 children go for trekking . if there is meal for either 70 adults or 90 children and if 21 adults have their meal , find the total number of children that can be catered with the remaining food .

0general

how many different pairs of positive integers ( a , b ) satisfy the equation 1 / a + 1 / b = 30 / 51 ?

0general

rahim bought 42 books for rs . 520 from one shop and 22 books for rs . 248 from another . what is the average price he paid per book ?

0general

a train running at the speed of 52 km / hr crosses a pole in 18 seconds . what is the length of the train ?

1physics

tom opened a shop investing rs . 30000 . jose joined him 2 months later , investing rs . 45000 . they earned a profit of rs . 45000 after completion of one year . what will be jose ' s share of profit ?

2gain

a train running at the speed of 300 km / hr crosses a pole in 33 seconds . what is the length of the train ?

1physics

a rectangle having length 105 cm and width 40 cm . if the length of the rectangle is increased by 20 5 percent then how much percent the breadth should be decreased so as to maintain the same area .

3geometry

if n divided by 7 has a remainder of 2 , what is the remainder when 6 times n is divided by 7 ?

0general

if 40 % of the 880 students at a certain college are enrolled in biology classes , how many students at the college are not enrolled in a biology class ?

5other

the smallest number which when diminished by 3 , is divisible by 12 , 16 , 18 , 21 and 28 is

0general

a rectangular lawn of dimensions 80 m * 50 m has two roads each 10 m wide running in the middle of the lawn , one parallel to the length and the other parallel to the breadth . what is the cost of traveling the two roads at rs . 3 per sq m ?

3geometry

the average age of students of a class is 15.8 years . the average age of boys in the class is 16.4 years and that of the girls is 15.2 years , the ratio of the number of boys to the number of girls in the class is

0general