dfdsfgf/big_math_dataset · Datasets at Hugging Face

question stringlengths 3 1.14k
If the sum of a set of 7 different positive prime numbers is an even number, which of the following prime numbers must be in the set?
A company pays 15.5% dividend to its investors. If an investor buys Rs.50 shares and gets 25% on investment, at what price did the investor buy the shares?
The 42 parents participating in the Smithville PTA have been assigned to at least 1 of 3 committees: festival planning, classroom aid, and teacher relations. 21 parents are assigned to the festival planning committee, 18 parents are assigned to the classroom aid committee, and 19 parents are assigned to the teacher relations committee. If 5 parents are assigned to all 3 committees, how many parents are assigned to exactly 2 committees?
Three workers have a productivity ratio of 2 to 3 to 5. All three workers are working on a job for 4 hours. At the beginning of the 5th hour, the slowest worker takes a break. The slowest worker comes back to work at the beginning of the 9th hour and begins working again. The job is done in ten hours. What was the ratio of the work performed by the fastest worker as compared to the slowest?
The tax on a commodity is diminished by 20% and its consumption increased by 15%. The effect on revenue is?
A die is rolled twice. What is the probability of getting a sum equal to 9?
The value of land increases by p% during June and decreases by q% during July. If the value of the land is the same at the end of July as at the beginning of June, what is q in terms of p?
if you put $1500 into the bank with a interest rate of 5% and left the money there for 4 years how much interest do you get at the end of the 4 years?
Nicky and Cristina are running a race. Since Cristina is faster than Nicky, she gives him a 30 meter head start. If Cristina runs at a pace of 5 meters per second and Nicky runs at a pace of only 3 meters per second, how many seconds will Nicky have run before Cristina catches up to him?
A sum amounts to Rs.3969 in 2 years at the rate of 5% p.a. If interest was compounded yearly then what was the principal?
A positive integer is divisible by 3 if and only if the sum of its digits is divisible by 3. If the six-digit integer is divisible by 3, and n is of the form 1k2,k42, where k represents a digit that occurs twice, how many values could n have?
How many bricks, each measuring 50 cm x 11.25 cm x 6 cm, will be needed to build a wall of 8 m x 6 m x 22.5 cm?
If the production cost in a certain company for first 1 lac item is Rs 20 lac and thereafter Rs 10 for each item. What is the minimum numbers of items that must be manufactured in order to get a cost of Rs 15 per item ?
How much time will take for an amount of Rs. 410 to yield Rs. 81 as interest at 4.5% per annum of simple interest?
The youngest of 4 children has siblings who are 2, 7, and 11 years older than she is. If the average (arithmetic mean) age of the 4 siblings is 25, what is the age of the youngest sibling?
Two pipes A and B can separately fill a tank in 20 and 15 minutes respectively. A third pipe C can drain off 45 liters of water per minute. If all the pipes are opened, the tank can be filled in 15 minutes. What is the capacity of the tank?
In 40 litres of a mixture, the ratio of milk to water is 7:1. In order to make the ratio of milk to water as 3:1, the quantity of water that should be added to the mixture will be?
find the next term in the series 1, 0, -2, -3, 8, 95
In an election between the two candidates ,The candidates who gets 60% of votes polled is winned by 280 votes majority. What is the total number of votes polled?
A, B and C enter into partnership. A invests some money at the beginning, B invests double the amount after 6 months, and C invests thrice the amount after 8 months. If the annual gain be Rs.18000. A's share is?
A man has Rs. 496 in the denominations of one-rupee notes, five-rupee notes and ten-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has ?
If the difference between the length and breadth of a rectangle is 23 m and its perimeter is 206 m, what is its area?
For a certain set, the value range of its members is 104.8. A new set is created from the members of the old set as follows: 12 is subtracted from a member of the old set, and the result is divided by 4. The resulting value is a member of the new set. If this operation is done for each member of the old set, what is the range of values of the members of the new set?
If x = 3 and y = -2, what is the value of 2(x-y)^2 - xy ?
How many liters of a 40% iodine solution need to be mixed with 35 liters of a 20% iodine solution to create a 30% iodine solution?
A shopkeeper buys two articles for Rs.1000 each and then sells them, making 20% profit on the first article and 20% loss on second article. Find the net profit or loss percent?
The ratio between the number of sheep and the number of horses at the Stewar farm is 5 to 7. If each of horse is fed 230 ounces of horse food per day and the farm needs a total 12880 ounces of horse food per day. what is number sheep in the form??
Tomy's age 22 years hence will be thrice his age four years ago. Find Tomy's present age?
The maximum number of student amoung them 1802 pens and 1203 pencils can be distributed in such a way that each student gets the same number of pens and same number of pencils is :
If w = 9/25, c = 15/32, and m + w + c = 1, which of the following gives the values of m, w, and c in increasing order?
Which of the following expressions are different in value? (A) (2x + 3y)2 (B) (2x + y)2 + 8y(x + y) (C) (2x – y)2 – 8y(x + y) (D) 22(x + y)2 + 4xy + 5y2
A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?
Machine A can finish a job in 4 hours, Machine В can finish the job in 12 hours, and Machine С can finish the job in 8 hours. How many hours will it take for A, B, and С together to finish the job?
In Kaya's teacher's desk there are 4 pink highlighters, 2 yellow highlighters, and 5 blue highlighters. How many highlighters are there in all?
For any integer p, p is equal to the product of all the integers between 1 and p, inclusive. How many prime numbers are there between 4 + 3 and *4 + 4, inclusive?
On a partly cloudy day, milton decides to walk back from work. When it is sunny, he walks at a speed of s miles/hr (s is an integer) and when it gets cloudy, he increases his speed to (s + 1) miles/hr. If his average speed for the entire distance is 2.8 miles/hr, what fraction of the total distance did he cover while the sun was shining on him?
If 1 kilometer is approximately 0.6 mile, which of the following best approximates the number of kilometers in 4 miles?
A train 125 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?
The average monthly salary of 24 employees in an organisation is Rs. 2400. If the manager's salary is added, then the average salary increases by Rs. 100. What is the manager's monthly salary?
Two vessels P and Q contain 62.5% and 87.5% of alcohol respectively. If 4 litres from vessel P is mixed with 8 litres from vessel Q, the ratio of alcohol and water in the resulting mixture is?
Each child has 2 pencils and 13 Skittles. If there are 8 children, how many pencils are there in total?
The product Z of two prime numbers is between 10 and 30 . If one of the prime numbers is greater than 2 but less than 6 and the other prime number is greater than 6 but less than 24, then what is Z?
In the class of 50 students, 30 speak Tamil and 40 speak Telugu. What is the lowest possible number of students who speak both the languages?
Mother is aged 3times more than her daughter Rose. After 8 years, she would be two and a 1/2times of Rose's age. After further 8 years, how many times would he be of Rose's age?
In a 300 member association consisting of men and women, exactly 80% of men and exactly 15% women are homeowners. What is the least number of members who are homeowners?
The sum of three consecutive odd natural numbers, each divisible by 3 is 78. What is the largest among them?
The average monthly income of P and Q is Rs. 2050. The average monthly income of Q and R is Rs. 5250 and the average monthly income of P and R is Rs. 6200. The monthly income of R is:
A person crosses a 720 m long street in 12 minutes. What is his speed in km per hour?
A person want to give his money of $900 to his 3 children A,B,C in the ratio 2:3:4. What is the B's share?
FAG, GAF, HAI, IAH, ____
The length of the bridge, which a train 130 meters long and travelling at 45 km/hr can cross in 30 seconds, is:
It takes Jim two hours to wash the car and it takes Julia one hour to wash the car. Working together, how many minutes will it take them to wash the car?
If the cost price is 96% of selling price then what is the profit percentage.
After spending Rs. 5000 on rent, Rs. 1500 on milk, Rs. 4500 on groceries, Rs.2500 On childrens education Rs. 2000 on petrol and Rs. 2500 on miscellaneous expenses, Mr. Kishore saved 10% of his monthly salary. How much did he save in Rs. ?
The least number which should be added to 6320 so that the sum is exactly divisible by 4, 6, 7 and 9 is:
The price of commodity X increases by 45 cents every year, while the price of commodity Y increases by 20 cents every year. In 2001, the price of commodity X was $4.20 and the price of commodity Y was $6.30. In which year will the price of commodity X be 65 cents more than the price of commodity Y?
How long does a train 120 m long running at the speed of 70 km/hr takes to cross a bridge 150 m length?
When running a mile during a recent track meet, Nuria was initially credited with a final time of 5 minutes, 39 seconds. Shortly after her run, officials realized that the timing mechanism malfunctioned. The stopwatch did not begin timing her until 11/25 of a minute after she began to run. If the time was otherwise correct, how long did it actually take Nuria to run the mile?
Six students are equally divided into 3 groups, then, the three groups were assigned to three different topics. How many different arrangements W are possible?
1+2+2^2=？
There are three piles of books A,B and C having 3,4,5 books respectively.These books have to be picked up and put in a shelf one by one.How many possible sequence can be formed in the shelf if a book can be picked only from top of any pile?
If a train, travelling at a speed of 120 kmph, crosses a pole in 6 sec, then the length of train is?
3 women and a few men participated in a chess tournament. Each player played two matches with each of the other players. If the number of matches that men played among themselves is 78 more than those they played with the women, how many more men than women participated in the tournament?
What is the remainder when 43^87 is divided by 5?
A vessel of capacity 90 litres is fully filled with pure milk. Nine litres of milk is removed from the vessel and replaced with water. Nine litres of the solution thus formed is removed and replaced with water. Find the quantity of pure milk in the final milk solution?
Convert the 13/36 m/s into kilometers per hour?
Two letters from the word MYANTKAR are selected at random. What is the probability that at least one of the selected letters is a consonant?
If 6 (A's capital) = 8 (B's capital) = 10 (C's capital). Then the ratio of their capitals is?
At the rate of 6%p.a SI, a sum of Rs. 2500 will earn how much interest by the end of 5 years?
If n is a prime number greater than 5, what is the remainder when n^2 is divided by 23?
If the compound interest on a certain sum for 2 years in Rs. 80.80 and the simple interest Rs. 80; then the rate of interest per annum is
In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women?
A train moves past a post and a platform 264 m long in 8 seconds and 20 seconds respectively. What is the speed of the train?
Find the remainder when 10,000 is divided by 84
The difference of 2 digit number & the number obtained by interchanging the digits is 36. What is the difference the sum and the number if the ratio between the digits of the number is 1:2 ?
xy=1 then what is (4^(x+y)^2) / (4^(x-y)^2)
A certain galaxy is known to comprise approximately 4 x 10^12 stars. Of every 50 million of these stars, one is larger in mass than our sun. Approximately how many stars in this galaxy are larger than the sun?
If a book is sold at 5% profit instead of 5% loss, it would have brought Rs 13 more. Find out the cost price of the book
If the number of students in each of three groups are in the ratio 8:9:10, and also the number of students in each group is a multiple of 5. then the following statements are true. I. The product of number of students of each group is divisible by both 2 and 3. II. The product of number of students of each group is divisible by 125 III. The product of number of students of each group is divisible by 125, 2 and 3
Kavi spends 50% of his monthly salary on food and saves 80% of the remaining amount. If his monthly salary is Rs.19,000, how much money does he save every month ?
I. a3 - 405 = 324, II. b2 - 72 = 9 to solve both the equations to find the values of a and b?
The area of sector of a circle whose radius is 12 metro and whose angle at the center is 30° is?
Mohan purchased 15 kgs of rice at the rate of Rs.26 per kg and 10 kgs of pulses at the rate of Rs.26 per kg. Whaat is the total amount that he paid to the shopkeeper?
Mary charges $8.50 per hour to clean a house. If she works 22 hours, how much does she earn in one week?
In a class of students, 1/2 of the number of girls is equal to 1/5 of the total number of students. What is the ratio of boys to girls in the class?
There were totally 100 men.84 are married.75 have T.V, 85 have radio,70 have A.C. How many men have T.V, radio, A.C and also married?
What will be in unit's place digit of 3 to the power 34.
Jalal weighs twice as much as Meena. Meena's weight is 60% of Bahar's weight. Dolly weighs 50% of Laila's weight. Laila weighs 19% of Jalal's weight. Who among these 5 persons weighs the least?
Solve x2 – 7x = 0
How many 3-letter words with or without meaning, can be formed out of the letters of the word, 'LOGAR', if repetition of letters is not allowed?
A train running at the speed of 56 km/hr crosses a pole in 9 sec. What is the length of the train?
If w and t are positive integers, wt + w + t cannot be
A mobile battery in 1 hour charges to 20 percent.How much time (in minute) will it require more to charge to 30 percent.
If the average (arithmetic mean) of 18 consecutive odd integers is 414, then the least of these integers is
A car started running at a speed of 38 km/hr and the speed of the car was increased by 2 km/hr at the end of every hour. Find the total distance covered by the car in the first 10 hours of the journey.
H.C.F. of 513, 1134 and 1215 is
On Saturday morning, Malachi will begin a camping vacation and he will return home at the end of the first day on which it rains. If on the first three days of the vacation the probability of rain on each day is 0.3, what is the probability that Malachi will return home at the end of the day on the following Monday?
If 10 men can make 200 tables working for 15 days at the rate of 8 hr per day, how many tables can 5 men make working for 10 days at the rate of 6 hr a day?A
A and B together can do a work in6 days. If A alone can do it in 42 days. In how many days can B alone do it?
A cistern can be filled by a tap in 7 hours while it can be emptied by another tap in 9 hours. If both the taps are opened simultaneously, then after how much time will the cistern get filled ?

If the sum of a set of 7 different positive prime numbers is an even number, which of the following prime numbers must be in the set?

A company pays 15.5% dividend to its investors. If an investor buys Rs.50 shares and gets 25% on investment, at what price did the investor buy the shares?

The 42 parents participating in the Smithville PTA have been assigned to at least 1 of 3 committees: festival planning, classroom aid, and teacher relations. 21 parents are assigned to the festival planning committee, 18 parents are assigned to the classroom aid committee, and 19 parents are assigned to the teacher relations committee. If 5 parents are assigned to all 3 committees, how many parents are assigned to exactly 2 committees?

Three workers have a productivity ratio of 2 to 3 to 5. All three workers are working on a job for 4 hours. At the beginning of the 5th hour, the slowest worker takes a break. The slowest worker comes back to work at the beginning of the 9th hour and begins working again. The job is done in ten hours. What was the ratio of the work performed by the fastest worker as compared to the slowest?

The tax on a commodity is diminished by 20% and its consumption increased by 15%. The effect on revenue is?

A die is rolled twice. What is the probability of getting a sum equal to 9?

The value of land increases by p% during June and decreases by q% during July. If the value of the land is the same at the end of July as at the beginning of June, what is q in terms of p?

if you put $1500 into the bank with a interest rate of 5% and left the money there for 4 years how much interest do you get at the end of the 4 years?

Nicky and Cristina are running a race. Since Cristina is faster than Nicky, she gives him a 30 meter head start. If Cristina runs at a pace of 5 meters per second and Nicky runs at a pace of only 3 meters per second, how many seconds will Nicky have run before Cristina catches up to him?

A sum amounts to Rs.3969 in 2 years at the rate of 5% p.a. If interest was compounded yearly then what was the principal?

A positive integer is divisible by 3 if and only if the sum of its digits is divisible by 3. If the six-digit integer is divisible by 3, and n is of the form 1k2,k42, where k represents a digit that occurs twice, how many values could n have?

How many bricks, each measuring 50 cm x 11.25 cm x 6 cm, will be needed to build a wall of 8 m x 6 m x 22.5 cm?

If the production cost in a certain company for first 1 lac item is Rs 20 lac and thereafter Rs 10 for each item. What is the minimum numbers of items that must be manufactured in order to get a cost of Rs 15 per item ?

How much time will take for an amount of Rs. 410 to yield Rs. 81 as interest at 4.5% per annum of simple interest?

The youngest of 4 children has siblings who are 2, 7, and 11 years older than she is. If the average (arithmetic mean) age of the 4 siblings is 25, what is the age of the youngest sibling?

Two pipes A and B can separately fill a tank in 20 and 15 minutes respectively. A third pipe C can drain off 45 liters of water per minute. If all the pipes are opened, the tank can be filled in 15 minutes. What is the capacity of the tank?

In 40 litres of a mixture, the ratio of milk to water is 7:1. In order to make the ratio of milk to water as 3:1, the quantity of water that should be added to the mixture will be?

find the next term in the series 1, 0, -2, -3, 8, 95

In an election between the two candidates ,The candidates who gets 60% of votes polled is winned by 280 votes majority. What is the total number of votes polled?

A, B and C enter into partnership. A invests some money at the beginning, B invests double the amount after 6 months, and C invests thrice the amount after 8 months. If the annual gain be Rs.18000. A's share is?

A man has Rs. 496 in the denominations of one-rupee notes, five-rupee notes and ten-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has ?

If the difference between the length and breadth of a rectangle is 23 m and its perimeter is 206 m, what is its area?

For a certain set, the value range of its members is 104.8. A new set is created from the members of the old set as follows: 12 is subtracted from a member of the old set, and the result is divided by 4. The resulting value is a member of the new set. If this operation is done for each member of the old set, what is the range of values of the members of the new set?

If x = 3 and y = -2, what is the value of 2(x-y)^2 - xy ?

How many liters of a 40% iodine solution need to be mixed with 35 liters of a 20% iodine solution to create a 30% iodine solution?

A shopkeeper buys two articles for Rs.1000 each and then sells them, making 20% profit on the first article and 20% loss on second article. Find the net profit or loss percent?

The ratio between the number of sheep and the number of horses at the Stewar farm is 5 to 7. If each of horse is fed 230 ounces of horse food per day and the farm needs a total 12880 ounces of horse food per day. what is number sheep in the form??

Tomy's age 22 years hence will be thrice his age four years ago. Find Tomy's present age?

The maximum number of student amoung them 1802 pens and 1203 pencils can be distributed in such a way that each student gets the same number of pens and same number of pencils is :

If w = 9/25, c = 15/32, and m + w + c = 1, which of the following gives the values of m, w, and c in increasing order?

Which of the following expressions are different in value? (A) (2x + 3y)2 (B) (2x + y)2 + 8y(x + y) (C) (2x – y)2 – 8y(x + y) (D) 22(x + y)2 + 4xy + 5y2

A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?

Machine A can finish a job in 4 hours, Machine В can finish the job in 12 hours, and Machine С can finish the job in 8 hours. How many hours will it take for A, B, and С together to finish the job?

In Kaya's teacher's desk there are 4 pink highlighters, 2 yellow highlighters, and 5 blue highlighters. How many highlighters are there in all?

For any integer p, *p is equal to the product of all the integers between 1 and p, inclusive. How many prime numbers are there between *4 + 3 and *4 + 4, inclusive?

On a partly cloudy day, milton decides to walk back from work. When it is sunny, he walks at a speed of s miles/hr (s is an integer) and when it gets cloudy, he increases his speed to (s + 1) miles/hr. If his average speed for the entire distance is 2.8 miles/hr, what fraction of the total distance did he cover while the sun was shining on him?

If 1 kilometer is approximately 0.6 mile, which of the following best approximates the number of kilometers in 4 miles?

A train 125 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?

The average monthly salary of 24 employees in an organisation is Rs. 2400. If the manager's salary is added, then the average salary increases by Rs. 100. What is the manager's monthly salary?

Two vessels P and Q contain 62.5% and 87.5% of alcohol respectively. If 4 litres from vessel P is mixed with 8 litres from vessel Q, the ratio of alcohol and water in the resulting mixture is?

Each child has 2 pencils and 13 Skittles. If there are 8 children, how many pencils are there in total?

The product Z of two prime numbers is between 10 and 30 . If one of the prime numbers is greater than 2 but less than 6 and the other prime number is greater than 6 but less than 24, then what is Z?

In the class of 50 students, 30 speak Tamil and 40 speak Telugu. What is the lowest possible number of students who speak both the languages?

Mother is aged 3times more than her daughter Rose. After 8 years, she would be two and a 1/2times of Rose's age. After further 8 years, how many times would he be of Rose's age?

In a 300 member association consisting of men and women, exactly 80% of men and exactly 15% women are homeowners. What is the least number of members who are homeowners?

The sum of three consecutive odd natural numbers, each divisible by 3 is 78. What is the largest among them?

The average monthly income of P and Q is Rs. 2050. The average monthly income of Q and R is Rs. 5250 and the average monthly income of P and R is Rs. 6200. The monthly income of R is:

A person crosses a 720 m long street in 12 minutes. What is his speed in km per hour?

A person want to give his money of $900 to his 3 children A,B,C in the ratio 2:3:4. What is the B's share?

FAG, GAF, HAI, IAH, ____

The length of the bridge, which a train 130 meters long and travelling at 45 km/hr can cross in 30 seconds, is:

It takes Jim two hours to wash the car and it takes Julia one hour to wash the car. Working together, how many minutes will it take them to wash the car?

If the cost price is 96% of selling price then what is the profit percentage.

After spending Rs. 5000 on rent, Rs. 1500 on milk, Rs. 4500 on groceries, Rs.2500 On childrens education Rs. 2000 on petrol and Rs. 2500 on miscellaneous expenses, Mr. Kishore saved 10% of his monthly salary. How much did he save in Rs. ?

The least number which should be added to 6320 so that the sum is exactly divisible by 4, 6, 7 and 9 is:

The price of commodity X increases by 45 cents every year, while the price of commodity Y increases by 20 cents every year. In 2001, the price of commodity X was $4.20 and the price of commodity Y was $6.30. In which year will the price of commodity X be 65 cents more than the price of commodity Y?

How long does a train 120 m long running at the speed of 70 km/hr takes to cross a bridge 150 m length?

When running a mile during a recent track meet, Nuria was initially credited with a final time of 5 minutes, 39 seconds. Shortly after her run, officials realized that the timing mechanism malfunctioned. The stopwatch did not begin timing her until 11/25 of a minute after she began to run. If the time was otherwise correct, how long did it actually take Nuria to run the mile?

Six students are equally divided into 3 groups, then, the three groups were assigned to three different topics. How many different arrangements W are possible?

1+2+2^2=？

There are three piles of books A,B and C having 3,4,5 books respectively.These books have to be picked up and put in a shelf one by one.How many possible sequence can be formed in the shelf if a book can be picked only from top of any pile?

If a train, travelling at a speed of 120 kmph, crosses a pole in 6 sec, then the length of train is?

3 women and a few men participated in a chess tournament. Each player played two matches with each of the other players. If the number of matches that men played among themselves is 78 more than those they played with the women, how many more men than women participated in the tournament?

What is the remainder when 43^87 is divided by 5?

A vessel of capacity 90 litres is fully filled with pure milk. Nine litres of milk is removed from the vessel and replaced with water. Nine litres of the solution thus formed is removed and replaced with water. Find the quantity of pure milk in the final milk solution?

Convert the 13/36 m/s into kilometers per hour?

Two letters from the word MYANTKAR are selected at random. What is the probability that at least one of the selected letters is a consonant?

If 6 (A's capital) = 8 (B's capital) = 10 (C's capital). Then the ratio of their capitals is?

At the rate of 6%p.a SI, a sum of Rs. 2500 will earn how much interest by the end of 5 years?

If n is a prime number greater than 5, what is the remainder when n^2 is divided by 23?

If the compound interest on a certain sum for 2 years in Rs. 80.80 and the simple interest Rs. 80; then the rate of interest per annum is

In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women?

A train moves past a post and a platform 264 m long in 8 seconds and 20 seconds respectively. What is the speed of the train?

Find the remainder when 10,000 is divided by 84

The difference of 2 digit number & the number obtained by interchanging the digits is 36. What is the difference the sum and the number if the ratio between the digits of the number is 1:2 ?

xy=1 then what is (4^(x+y)^2) / (4^(x-y)^2)

A certain galaxy is known to comprise approximately 4 x 10^12 stars. Of every 50 million of these stars, one is larger in mass than our sun. Approximately how many stars in this galaxy are larger than the sun?

If a book is sold at 5% profit instead of 5% loss, it would have brought Rs 13 more. Find out the cost price of the book

If the number of students in each of three groups are in the ratio 8:9:10, and also the number of students in each group is a multiple of 5. then the following statements are true. I. The product of number of students of each group is divisible by both 2 and 3. II. The product of number of students of each group is divisible by 125 III. The product of number of students of each group is divisible by 125, 2 and 3

Kavi spends 50% of his monthly salary on food and saves 80% of the remaining amount. If his monthly salary is Rs.19,000, how much money does he save every month ?

I. a3 - 405 = 324, II. b2 - 72 = 9 to solve both the equations to find the values of a and b?

The area of sector of a circle whose radius is 12 metro and whose angle at the center is 30° is?

Mohan purchased 15 kgs of rice at the rate of Rs.26 per kg and 10 kgs of pulses at the rate of Rs.26 per kg. Whaat is the total amount that he paid to the shopkeeper?

Mary charges $8.50 per hour to clean a house. If she works 22 hours, how much does she earn in one week?

In a class of students, 1/2 of the number of girls is equal to 1/5 of the total number of students. What is the ratio of boys to girls in the class?

There were totally 100 men.84 are married.75 have T.V, 85 have radio,70 have A.C. How many men have T.V, radio, A.C and also married?

What will be in unit's place digit of 3 to the power 34.

Jalal weighs twice as much as Meena. Meena's weight is 60% of Bahar's weight. Dolly weighs 50% of Laila's weight. Laila weighs 19% of Jalal's weight. Who among these 5 persons weighs the least?

Solve x2 – 7x = 0

How many 3-letter words with or without meaning, can be formed out of the letters of the word, 'LOGAR', if repetition of letters is not allowed?

A train running at the speed of 56 km/hr crosses a pole in 9 sec. What is the length of the train?

If w and t are positive integers, wt + w + t cannot be

A mobile battery in 1 hour charges to 20 percent.How much time (in minute) will it require more to charge to 30 percent.

If the average (arithmetic mean) of 18 consecutive odd integers is 414, then the least of these integers is

A car started running at a speed of 38 km/hr and the speed of the car was increased by 2 km/hr at the end of every hour. Find the total distance covered by the car in the first 10 hours of the journey.

H.C.F. of 513, 1134 and 1215 is

On Saturday morning, Malachi will begin a camping vacation and he will return home at the end of the first day on which it rains. If on the first three days of the vacation the probability of rain on each day is 0.3, what is the probability that Malachi will return home at the end of the day on the following Monday?

If 10 men can make 200 tables working for 15 days at the rate of 8 hr per day, how many tables can 5 men make working for 10 days at the rate of 6 hr a day?A

A and B together can do a work in6 days. If A alone can do it in 42 days. In how many days can B alone do it?

A cistern can be filled by a tap in 7 hours while it can be emptied by another tap in 9 hours. If both the taps are opened simultaneously, then after how much time will the cistern get filled ?