dfdsfgf/big_math_dataset · Datasets at Hugging Face

question stringlengths 3 1.14k
Due to reduction of 25% in price of oranges a customer can purchase 4 oranges more for Rs. 16. what is original price of an orange?
The time taken by a man to row his boat upstream is twice the time taken by him to row the same distance downstream. If the speed of the boat in still water is 42 kmph, find the speed of the stream?
The cost price of 7 articles is equal to the selling price of 5 articles. What is the profit percent?
If paint costs $3.20 per quart, and a quart covers 60 square feet, how much will it cost to paint the outside of a cube 10 feet on each edge?
Sandy gets 3 marks for each correct sum and loses 2 marks for each incorrect sum. Sandy attempts 30 sums and obtains 55 marks. How many sums did Sandy get correct?
A certain telescope increases the visual range at a particular location from 90 kilometers to 150 kilometers. By what percent is the visual range increased by using the telescope ?
If P : Q = 3 : 4 and Q : R = 5 : 6, then P : Q : R is:
At the end of the first quarter, the share price of a certain mutual fund was 30 percent higher than it was at the beginning of the year. At the end of the second quarter, the share price was 75 percent higher than it was at the beginning of the year. What was the percent increase in the share price from the end of the first quarter to the end of the second quarter?
A train 1200 m long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 min, then the length of the tunnel is?
A tank is 25m long 12m wide and 6m deep. The cost of plastering its walls and bottom at 45 paise per sq m is
The total of company C's assets in 1994 was 400% greater than the total in 1993, which in turn was 400% greater than the total in 1992. If the total of company C's assets in in 1992 was N dollars, which one of the following represents company C's assets in 1994:
30 square stone slabs of equal size were needed to cover a floor area of 120 sq.m. Find the length of each stone slab?
For what value of x between − 5 and 5, inclusive, is the value of x^2 − 10x + 16 the greatest?
In a rectangular coordinate system, what is the area of a rhombus whose vertices have the coordinates (0, 3.5), (9, 0), (0, -3.5), (-9, 0)?
1397 x 1397
How many 9's are there preceded by 5 but not followed by 1? 5 9 3 2 1 7 4 2 5 9 7 4 6 1 3 2 8 7 4 1 3 8 3 5 9 1 7 4 3 9 5 8 2 0 1 8 7 4 6 3
A man sells a horse for Rs.740 and loses something, if he had sold it for Rs.980, his gain would have been double the former loss. Find the cost price of the horse?
Every year Taylor goes to the same carnival, and he attempts to shoot a basketball into a small hoop, hoping that he will win a ten-foot tall teddy bear. If the probability that Taylor does not make a basket is 1/3, what is the probability that Taylor makes exactly one basket in three tries?
100 people are standing in a circle. The person standing at number 1 is having a sword. He kills the person next to him with the sword and then gives the sword to the third person. This process is carried out till there is just one person left. Can you find out who survives?
Anmol can eat 27 pastries in a hour. Aakriti can eat 2 pastries in 10 minutes. Divya can eat 7 pastries in 20 minutes. How long will it take them to eat a 420 pastries ?
Total Rs.700 are divided among 3 persons (A, B, and C). A gets 1/2 of B and B gets 1/2 of C. How much C have?
The sum of the digits of a two-digit number is 15 and the difference between the digits is 3. What is the two-digit number?
If selling price is doubled, the profit triples. Find the profit percent.
How much water must be added to 60 litres of milk at 1 1⁄2 litres for 20 so as to have a mixture worth 10 2⁄3 a litre?
What is the least value of k. So that 123k578 is divisible by 11.
What is the greatest positive integer x such that 6^x is a factor of 216^10?
Brindavan Express leave Chennai Central Station every day at 07.50 am and goes to Bangalore City Railway station. This train is very popular among the travelers. On 25th July 2012 number of passengers traveling by I class and II class was in the ratio 1:4. The fare for this travel is in the ratio 3:1. The total fare collected was Rs. 224000/. (Rs. Two lakhs twenty four thousand only). What was the fare collected from I class passengers on that day?
There is a square with sides of 13. What is the area of the biggest circle that can be cut out of this square?
A cycle is bought for Rs.600 and sold for Rs.1080, find the gain percent?
Ratio between Rahul and Deepak is 4:3, After 10 Years Rahul age will be 26 years. What is Deepak present age.
Running at their respective constant rate, machine X takes 2 days longer to produce w widgets than machines Y. AT these rates, if the two machines together produce 5w/4 widgets in 3 days, how many days would it take machine X alone to produce 4w widgets.
Bill’s compact disc player randomly plays a song, so that no song is repeated before the entire album is played. If Bill plays a disc with 15 songs, what are the chances that the third song he hears will be his favorite?
Out of three numbers, the first is twice the second and is half of the third. If the average of the three numbers is 84, the three numbers in order are?
8 men can dig a pit in 20 days. If a work half as much again as a boy, then 4 men and 9 boys can dig a similiar pit. Find the days for 15 days can dig?
If the letters of the word PLACE are arranged taken all at a time, find how many do not start with AE?
The side of a square is increased by 30% then how much % does its area increases?
In a bag, there are 4 white, 1 brown and 5 red pens. One pen is picked up randomly. What is the probability that it is neither white nor red?
A bag contains 6 red, 5 blue and 2 green balls. If 2 ballsare picked at random, what is the probability that both are red?
In how many different ways can the letters of the word ‘ARMOUM’ be arranged?
If 12 men and 16 boys can do a piece of work in 5 days and 13 men together will 24 boys can do it in 4 days. Compare the daily work done by a man with that of a boy?
In a room with 7 people, 4 people have exactly 1 friend in the room and 3 people have exactly 2 friends in the room (Assuming that friendship is a mutual relationship, i.e. if Jane is Paul's friend, Paul is Jane's friend). If two individuals are selected from the room at random, what is the probability that those two individuals are NOT friends?
How much is 75% of 40 is greater than 4/5 of 25?
If f(a)=3a+6, what is the value of (f(2a)+f(a)) ?
Sum of 53 odd numbers is?
Given that 2x + 11 > 5 and 5x - 13 < 7, all values of x must be between which of the following pairs of integers?
On dividing 136 by a number, the quotient is 9 and the remainder is 1. Find the divisor?
The ratio of number of boys and girls in a school is 3:2. If there are 100 students in the school, find the number of girls in the school?
A train speeds past a pole in 15 seconds and a platform 150 meters long in 25 seconds. What is the length of the train (in meters)?
-64x29+165=?
Which of the following CANNOT be a product of two distinct positive integers r and s?
Three friends are buying a gift for a friend. Declan contributes 4 dollars more than 1/4 the cost of the gift, Ed contributes 6 dollar less than 1/3 the cost of the gift, and Frank contributes the remaining 22 dollars. What is the cost of the gift?
In how many different number of ways 5 boys and 2 girls can sit on a shopa which can accommodate persons?
Find the greatest number which leaves the same remainder when it divides 25, 57 and 105.
A small, rectangular park has a perimeter of 560 feet and a diagonal measurement of 600 feet. What is its area, in square feet?
If the remainder is 3 when positive integer n is divided by 18, what is the remainder when n is divided by 6?
Health insurance Plan W requires the insured to pay $1000 or 50% of total cost, whichever is lower. Plan B requires the insured to pay the initial $300, but then pays 80% of the cost over $300. Which of the following is a cost level for which both insurance plans pay out the same amount?
We have boxes colored either red or blue. In each blue box there is a fixed number of blueberries. In each red box there is a fixed number of strawberries. If we dispose of one blue box for one additional red box, the total number of berries would increase by 30, and the difference between the total number of strawberries and the total number of blueberries would increase by 100. Each blue box contains how many blueberries?
If s and t are positive integers such that s/t = 56.18, which of the following could be the remainder when s is divided by t ?
If three numbers in the ratio 3 : 2: 5 be such that the sum of their squares is 1862, the middle number will be
Rahul went to a shop and bought things worth Rs. 24, out of which 30 Paise went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free items?
In measuring the sides of a rectangle,one side is taken 5% in excess,and the other 4% in deficit.Find the error percent in the error percent in the area calculated from these measurements.
there are five red shoe and 4 green. if one draw randomly a shoe then what is the probability of getting red
There 3 kinds of books in the library physics, chemistry and biology. Ratio of physics to chemistry is 3 to 2; ratio of chemistry to biology is 4 to 3, and the total of the books is more than 3000. Which one of following can be the total E of the book?
From the given equation find the value of x: x² − 3x + 2
Sam taken a loan Rs.15000/- from Co-operative Society with an interest @ 11.5% per month. At the same time he deposited Rs. 10000/- as Fixed Deposit with an interest @ 9.5% per month. After one week sam asked the manager to calculate the interest to be paid. What is the interest amount for 7 days?
Calculate the time it will take for a train that is 200 meter long to pass a bridge of 180 meter length, if the speed of the train is 65 km/hour ?
Train E and F, 455 miles apart, are traveling toward each other at constant rates and in the same time zone. If train E left at 4 pm traveling at a speed of 60 miles per hour, and train F left at 5:45 pm and traveling at 45 miles per hour, then at what time would they pass each other?
An athlete runs 200 metres race in 24 seconds. His speed is
While playing a certain dice game, Chris wins if the sum of the two dice is 10, at which point the game is over. If the game allows Chris three rolls in an attempt to win, what is the probability that Chris will win?
If the ratio of the change in the book's price to its new price is 1 : 5, What is the % price increase?
If 4x+y=34, 2x-y=20, for integers of x and y, y^2=?
A sum of $1162 is divided among A,B and C. Such that 4 times A's share share is equal to 5 times B's share and 7 times C's share . What is the share of C?
The average of first 10 odd numbers is?
The events A and B are independent. The probability that event A occurs is x and the probability that event B occurs is y. Which of the following is equal to the probability that exactly one of the events A and B occurs?
What will be the cost of gardening 1 meter boundary around a rectangular plot having perimeter of 340 meters at the rate of Rs. 10 per square meter ?
A man buys s cycle for $1400 and sells it at a loss of 15%. What is the selling price of the cycle?
Let the number which when multiplied by 15 is increased by 280.
A dishonest dealer professes to sell goods at the cost price but uses a weight of 700 grams per kg, what is his percent?
The length of a rectangle is halved, while its breadth is tripled. Wa tis the % changein area?
The ratio of money with Ram and Gopal is 7 : 17 and that with Gopal and Krishan is 7: 17. If Ram has Rs. 490, Krishan has ?
A starts business with Rs.3500 and after 8 months, B joins with A as his partner. After a year, the profit is divided in the ratio 2 : 3. What is Bâ€™s contribution in the Capital ?
In what time a sum of money double itself at 5% per annum simple interest?
The integer E has a tens digit of 6 and a units digit of 7. The units digit of integer y is 8. The product of E and y has a tens digit of 8. Which of the following is a possible tens digit of integer y?
If Ram and gohul can do a job in 10 days and 15 days independently, How many days would they take to complete the same job working simultaneously?
A dishonest dealer professes to sell goods at the cost price but uses a false weight and gains 25%. Find his false weight age?
12, 36, ?, 324, 972
Two consultants can type up a report in 12.5 hours and edit it in 7.5 hours. If Mary needs 30 hours to type the report and Jim needs 12 hours to edit it alone, how many R hours will it take if Jim types the report and Mary edits it immediately after he is done?
A man saves Rs 400 at the end of each year and lends the money at 5% compound interest. How much will it become at the end of 3 years.
Z is a set of positive numbers. The median of Z is greater than the mean of Z. Which of the following W must be true? I. At least 50% of the numbers in Z are smaller than the median. II. Less than 50% of the numbers in Z are greater than the median. III. The median of Z is greater than the average of the largest and smallest numbers in Z.
To apply for the position of photographer at a local magazine, a photographer needs to include three or four photos in an envelope accompanying the application. If the photographer has pre-selected six photos representative of her work, how many choices does she have to provide the photos for the magazine?
A can run a kilometer race in 4 1/2 min while B can run same race in 5 min. How many meters start can A give B in a kilometer race, so that the race mat end in a dead heat?
John bought 2 shares and sold them for $98 each. If he had a profit of 20% on the sale of one of the shares but a loss of 20% on the sale of the other share, then on the sale of both shares John had
If each participant of a chess tournament plays exactly one game with each of the remaining participants, then 253 games will be played during the tournament. What is the number of participants?
A credit card number has 6 digits (between 1 to 9 inclusive). The first two digits are 12 in that order, the third digit is bigger than 6, the fourth digit is divisible by 2, and the fifth digit is 3 times the sixth. How many different credit card numbers are possible?
1+ 1+ 1+ 2 × 1^2 + 2 × 1^1+ 2 × 1^4 + 2 × 1^5 + 2 × 1^6 + 2 × 1^7 =
On a test, students receive 6 points for each correct answer and are penalized by losing 2 points for each incorrect answer. There are 6 questions on the test and each question has 4 answer options, A, B, C, and D. It is known that 5 of the questions have option B as the correct answer and one question has option C as the correct answer. If a student marks B for the first 3 questions and C for the last 3 questions, what is the minimum possible score that student can receive?
Tough and Tricky questions: Word Problems. It takes Sarah 20 minutes to do one oil change, and it takes Alice 12 minutes. If Sarah and Alice both begin doing oil changes at exactly 9:00 a.m. without pausing, when is the first time at which they will finish changing the oil of a car simultaneously?
The length of the bridge, which a train 130 m long and traveling at 45 km/hr can cross in 30 sec is?
A firm has 4 senior partners and 6 junior partners. How many different groups of 3 partners can be formed in which at least one member of the group is a senior partner. (2 groups are considered different if at least one group member is different)
Three 6 faced dice are thrown together. The probability that all the three show the same number on them is -

Due to reduction of 25% in price of oranges a customer can purchase 4 oranges more for Rs. 16. what is original price of an orange?

The time taken by a man to row his boat upstream is twice the time taken by him to row the same distance downstream. If the speed of the boat in still water is 42 kmph, find the speed of the stream?

The cost price of 7 articles is equal to the selling price of 5 articles. What is the profit percent?

If paint costs $3.20 per quart, and a quart covers 60 square feet, how much will it cost to paint the outside of a cube 10 feet on each edge?

Sandy gets 3 marks for each correct sum and loses 2 marks for each incorrect sum. Sandy attempts 30 sums and obtains 55 marks. How many sums did Sandy get correct?

A certain telescope increases the visual range at a particular location from 90 kilometers to 150 kilometers. By what percent is the visual range increased by using the telescope ?

If P : Q = 3 : 4 and Q : R = 5 : 6, then P : Q : R is:

At the end of the first quarter, the share price of a certain mutual fund was 30 percent higher than it was at the beginning of the year. At the end of the second quarter, the share price was 75 percent higher than it was at the beginning of the year. What was the percent increase in the share price from the end of the first quarter to the end of the second quarter?

A train 1200 m long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 min, then the length of the tunnel is?

A tank is 25m long 12m wide and 6m deep. The cost of plastering its walls and bottom at 45 paise per sq m is

The total of company C's assets in 1994 was 400% greater than the total in 1993, which in turn was 400% greater than the total in 1992. If the total of company C's assets in in 1992 was N dollars, which one of the following represents company C's assets in 1994:

30 square stone slabs of equal size were needed to cover a floor area of 120 sq.m. Find the length of each stone slab?

For what value of x between − 5 and 5, inclusive, is the value of x^2 − 10x + 16 the greatest?

In a rectangular coordinate system, what is the area of a rhombus whose vertices have the coordinates (0, 3.5), (9, 0), (0, -3.5), (-9, 0)?

1397 x 1397

How many 9's are there preceded by 5 but not followed by 1? 5 9 3 2 1 7 4 2 5 9 7 4 6 1 3 2 8 7 4 1 3 8 3 5 9 1 7 4 3 9 5 8 2 0 1 8 7 4 6 3

A man sells a horse for Rs.740 and loses something, if he had sold it for Rs.980, his gain would have been double the former loss. Find the cost price of the horse?

Every year Taylor goes to the same carnival, and he attempts to shoot a basketball into a small hoop, hoping that he will win a ten-foot tall teddy bear. If the probability that Taylor does not make a basket is 1/3, what is the probability that Taylor makes exactly one basket in three tries?

100 people are standing in a circle. The person standing at number 1 is having a sword. He kills the person next to him with the sword and then gives the sword to the third person. This process is carried out till there is just one person left. Can you find out who survives?

Anmol can eat 27 pastries in a hour. Aakriti can eat 2 pastries in 10 minutes. Divya can eat 7 pastries in 20 minutes. How long will it take them to eat a 420 pastries ?

Total Rs.700 are divided among 3 persons (A, B, and C). A gets 1/2 of B and B gets 1/2 of C. How much C have?

The sum of the digits of a two-digit number is 15 and the difference between the digits is 3. What is the two-digit number?

If selling price is doubled, the profit triples. Find the profit percent.

How much water must be added to 60 litres of milk at 1 1⁄2 litres for 20 so as to have a mixture worth 10 2⁄3 a litre?

What is the least value of k. So that 123k578 is divisible by 11.

What is the greatest positive integer x such that 6^x is a factor of 216^10?

Brindavan Express leave Chennai Central Station every day at 07.50 am and goes to Bangalore City Railway station. This train is very popular among the travelers. On 25th July 2012 number of passengers traveling by I class and II class was in the ratio 1:4. The fare for this travel is in the ratio 3:1. The total fare collected was Rs. 224000/. (Rs. Two lakhs twenty four thousand only). What was the fare collected from I class passengers on that day?

There is a square with sides of 13. What is the area of the biggest circle that can be cut out of this square?

A cycle is bought for Rs.600 and sold for Rs.1080, find the gain percent?

Ratio between Rahul and Deepak is 4:3, After 10 Years Rahul age will be 26 years. What is Deepak present age.

Running at their respective constant rate, machine X takes 2 days longer to produce w widgets than machines Y. AT these rates, if the two machines together produce 5w/4 widgets in 3 days, how many days would it take machine X alone to produce 4w widgets.

Bill’s compact disc player randomly plays a song, so that no song is repeated before the entire album is played. If Bill plays a disc with 15 songs, what are the chances that the third song he hears will be his favorite?

Out of three numbers, the first is twice the second and is half of the third. If the average of the three numbers is 84, the three numbers in order are?

8 men can dig a pit in 20 days. If a work half as much again as a boy, then 4 men and 9 boys can dig a similiar pit. Find the days for 15 days can dig?

If the letters of the word PLACE are arranged taken all at a time, find how many do not start with AE?

The side of a square is increased by 30% then how much % does its area increases?

In a bag, there are 4 white, 1 brown and 5 red pens. One pen is picked up randomly. What is the probability that it is neither white nor red?

A bag contains 6 red, 5 blue and 2 green balls. If 2 ballsare picked at random, what is the probability that both are red?

In how many different ways can the letters of the word ‘ARMOUM’ be arranged?

If 12 men and 16 boys can do a piece of work in 5 days and 13 men together will 24 boys can do it in 4 days. Compare the daily work done by a man with that of a boy?

In a room with 7 people, 4 people have exactly 1 friend in the room and 3 people have exactly 2 friends in the room (Assuming that friendship is a mutual relationship, i.e. if Jane is Paul's friend, Paul is Jane's friend). If two individuals are selected from the room at random, what is the probability that those two individuals are NOT friends?

How much is 75% of 40 is greater than 4/5 of 25?

If f(a)=3a+6, what is the value of (f(2a)+f(a)) ?

Sum of 53 odd numbers is?

Given that 2x + 11 > 5 and 5x - 13 < 7, all values of x must be between which of the following pairs of integers?

On dividing 136 by a number, the quotient is 9 and the remainder is 1. Find the divisor?

The ratio of number of boys and girls in a school is 3:2. If there are 100 students in the school, find the number of girls in the school?

A train speeds past a pole in 15 seconds and a platform 150 meters long in 25 seconds. What is the length of the train (in meters)?

-64x29+165=?

Which of the following CANNOT be a product of two distinct positive integers r and s?

Three friends are buying a gift for a friend. Declan contributes 4 dollars more than 1/4 the cost of the gift, Ed contributes 6 dollar less than 1/3 the cost of the gift, and Frank contributes the remaining 22 dollars. What is the cost of the gift?

In how many different number of ways 5 boys and 2 girls can sit on a shopa which can accommodate persons?

Find the greatest number which leaves the same remainder when it divides 25, 57 and 105.

A small, rectangular park has a perimeter of 560 feet and a diagonal measurement of 600 feet. What is its area, in square feet?

If the remainder is 3 when positive integer n is divided by 18, what is the remainder when n is divided by 6?

Health insurance Plan W requires the insured to pay $1000 or 50% of total cost, whichever is lower. Plan B requires the insured to pay the initial $300, but then pays 80% of the cost over $300. Which of the following is a cost level for which both insurance plans pay out the same amount?

We have boxes colored either red or blue. In each blue box there is a fixed number of blueberries. In each red box there is a fixed number of strawberries. If we dispose of one blue box for one additional red box, the total number of berries would increase by 30, and the difference between the total number of strawberries and the total number of blueberries would increase by 100. Each blue box contains how many blueberries?

If s and t are positive integers such that s/t = 56.18, which of the following could be the remainder when s is divided by t ?

If three numbers in the ratio 3 : 2: 5 be such that the sum of their squares is 1862, the middle number will be

Rahul went to a shop and bought things worth Rs. 24, out of which 30 Paise went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free items?

In measuring the sides of a rectangle,one side is taken 5% in excess,and the other 4% in deficit.Find the error percent in the error percent in the area calculated from these measurements.

there are five red shoe and 4 green. if one draw randomly a shoe then what is the probability of getting red

There 3 kinds of books in the library physics, chemistry and biology. Ratio of physics to chemistry is 3 to 2; ratio of chemistry to biology is 4 to 3, and the total of the books is more than 3000. Which one of following can be the total E of the book?

From the given equation find the value of x: x² − 3x + 2

Sam taken a loan Rs.15000/- from Co-operative Society with an interest @ 11.5% per month. At the same time he deposited Rs. 10000/- as Fixed Deposit with an interest @ 9.5% per month. After one week sam asked the manager to calculate the interest to be paid. What is the interest amount for 7 days?

Calculate the time it will take for a train that is 200 meter long to pass a bridge of 180 meter length, if the speed of the train is 65 km/hour ?

Train E and F, 455 miles apart, are traveling toward each other at constant rates and in the same time zone. If train E left at 4 pm traveling at a speed of 60 miles per hour, and train F left at 5:45 pm and traveling at 45 miles per hour, then at what time would they pass each other?

An athlete runs 200 metres race in 24 seconds. His speed is

While playing a certain dice game, Chris wins if the sum of the two dice is 10, at which point the game is over. If the game allows Chris three rolls in an attempt to win, what is the probability that Chris will win?

If the ratio of the change in the book's price to its new price is 1 : 5, What is the % price increase?

If 4x+y=34, 2x-y=20, for integers of x and y, y^2=?

A sum of $1162 is divided among A,B and C. Such that 4 times A's share share is equal to 5 times B's share and 7 times C's share . What is the share of C?

The average of first 10 odd numbers is?

The events A and B are independent. The probability that event A occurs is x and the probability that event B occurs is y. Which of the following is equal to the probability that exactly one of the events A and B occurs?

What will be the cost of gardening 1 meter boundary around a rectangular plot having perimeter of 340 meters at the rate of Rs. 10 per square meter ?

A man buys s cycle for $1400 and sells it at a loss of 15%. What is the selling price of the cycle?

Let the number which when multiplied by 15 is increased by 280.

A dishonest dealer professes to sell goods at the cost price but uses a weight of 700 grams per kg, what is his percent?

The length of a rectangle is halved, while its breadth is tripled. Wa tis the % changein area?

The ratio of money with Ram and Gopal is 7 : 17 and that with Gopal and Krishan is 7: 17. If Ram has Rs. 490, Krishan has ?

A starts business with Rs.3500 and after 8 months, B joins with A as his partner. After a year, the profit is divided in the ratio 2 : 3. What is Bâ€™s contribution in the Capital ?

In what time a sum of money double itself at 5% per annum simple interest?

The integer E has a tens digit of 6 and a units digit of 7. The units digit of integer y is 8. The product of E and y has a tens digit of 8. Which of the following is a possible tens digit of integer y?

If Ram and gohul can do a job in 10 days and 15 days independently, How many days would they take to complete the same job working simultaneously?

A dishonest dealer professes to sell goods at the cost price but uses a false weight and gains 25%. Find his false weight age?

12, 36, ?, 324, 972

Two consultants can type up a report in 12.5 hours and edit it in 7.5 hours. If Mary needs 30 hours to type the report and Jim needs 12 hours to edit it alone, how many R hours will it take if Jim types the report and Mary edits it immediately after he is done?

A man saves Rs 400 at the end of each year and lends the money at 5% compound interest. How much will it become at the end of 3 years.

Z is a set of positive numbers. The median of Z is greater than the mean of Z. Which of the following W must be true? I. At least 50% of the numbers in Z are smaller than the median. II. Less than 50% of the numbers in Z are greater than the median. III. The median of Z is greater than the average of the largest and smallest numbers in Z.

To apply for the position of photographer at a local magazine, a photographer needs to include three or four photos in an envelope accompanying the application. If the photographer has pre-selected six photos representative of her work, how many choices does she have to provide the photos for the magazine?

A can run a kilometer race in 4 1/2 min while B can run same race in 5 min. How many meters start can A give B in a kilometer race, so that the race mat end in a dead heat?

John bought 2 shares and sold them for $98 each. If he had a profit of 20% on the sale of one of the shares but a loss of 20% on the sale of the other share, then on the sale of both shares John had

If each participant of a chess tournament plays exactly one game with each of the remaining participants, then 253 games will be played during the tournament. What is the number of participants?

A credit card number has 6 digits (between 1 to 9 inclusive). The first two digits are 12 in that order, the third digit is bigger than 6, the fourth digit is divisible by 2, and the fifth digit is 3 times the sixth. How many different credit card numbers are possible?

1+ 1+ 1+ 2 × 1^2 + 2 × 1^1+ 2 × 1^4 + 2 × 1^5 + 2 × 1^6 + 2 × 1^7 =

On a test, students receive 6 points for each correct answer and are penalized by losing 2 points for each incorrect answer. There are 6 questions on the test and each question has 4 answer options, A, B, C, and D. It is known that 5 of the questions have option B as the correct answer and one question has option C as the correct answer. If a student marks B for the first 3 questions and C for the last 3 questions, what is the minimum possible score that student can receive?

Tough and Tricky questions: Word Problems. It takes Sarah 20 minutes to do one oil change, and it takes Alice 12 minutes. If Sarah and Alice both begin doing oil changes at exactly 9:00 a.m. without pausing, when is the first time at which they will finish changing the oil of a car simultaneously?

The length of the bridge, which a train 130 m long and traveling at 45 km/hr can cross in 30 sec is?

A firm has 4 senior partners and 6 junior partners. How many different groups of 3 partners can be formed in which at least one member of the group is a senior partner. (2 groups are considered different if at least one group member is different)

Three 6 faced dice are thrown together. The probability that all the three show the same number on them is -