dfdsfgf/big_math_dataset · Datasets at Hugging Face

question stringlengths 3 1.14k
3.5 can be expressed in terms of percentage as?
4 dice are thrown simultaneously on the board. Find the probability show the same face.
The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is:
Tom can hit a target 3 times in 6 shots, Marry can hit the target 2 times in 6 shots & mike can hit 4 times in 4 shots. What is the probability that atleast 2shots hit the target ?
A took 15 seconds to cross a rectangular field diagonally walking at the rate of 52 m/min and B took the same time to cross the same field along its sides walking at the rate of 68m/min. The area of the field is?
3,14,39,_?
The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 81. What is the difference between the two digits of that number?
In a certain lottery, the probability that a number between 12 and 20, inclusive, is drawn is 1/6 . If the probability that a number 12 or larger is drawn is 1/2 , what is the probability that a number less than or equal to 20 is drawn?
In how many ways can the word DAILY arranged?
The value of x + x(xx) when x = 2 is: (a) 10, (b) 16, (c) 18, (d) 36, (e) 64
A cylinder of height h is 6/7 of water. When all of the water is poured into an empty cylinder whose radius is 25 percent larger than that of the original cylinder, the new cylinder is 3/5 full. The height of the new cylinder is what percent of h?
There is a 55 cm line marked at each centimeter and an insect is placed at every centimeter. 9 frogs are trained to jump a constant distance. The first one jumps 2 cm in every leap, the second one jumps 3 cm and so on until the 9th one jumps 10 cm in every leap and they eat any insect that is available at that spot. If all of them start from start line and finish the entire 55 cm, how many insects were still left after the race was over?
A certain sum of money at simple interest amounted Rs.1240 in 6 years at 4% per annum, find the sum?
If -0.5 < x < 0, which of the following must be true? I. x^7 < x^2 II. x^3 < 1 – x^3 III. x^4 < x^2
An aeroplane covers a certain distance at a speed of 1500 kmph in 2 hours. To cover the same distance in 1 2/3 hours, it must travel at a speed of:
The total weight of six people of equal weights inside a car is 12% of the total weight of the car (inclusive of the six people inside). If three people get down from the car, what will be the ratio of the weight of people inside the car to the weight of the empty car?
If the cost price of 12 pens is equal to the selling price of 7 pens, the gain percent is:
John would make the 3-letter codes with 26 alphabets in condition that the middle letter must be vowel and the first letter and the third letter must be different from each other and both are consonant. How many cases of the codes are there?
The sum of the two numbers is 15 and their product is 35. What is the sum of the reciprocals of these numbers?
Of the 645 speckled trout in a certain fishery that contains only speckled and rainbow trout, the number of males is 45 more than twice the number of females. If the ratio of female speckled trout to male rainbow trout is 4:3 and the ratio of male rainbow trout to all trout is 3:20, how many female rainbow trout are there?
There are 16 bees in the hive , then 7 more fly. How many bees are there in all?
Rs.2500 is divided into two parts such that if one part be put out at 5% simple interest and the other at 6%, the yearly annual income may be Rs.140. How much was lent at 5%?
If two dice are thrown together, the probability of getting an even number on one die and an odd number on the other is?
Two taps A and B can fill a cistern in 12 minutes and 18 minutes respectively. They are turned on at the same time. If the tap A is turned off after 4 minutes, how long will tap B take to fill the rest of the cistern ?
IF x is an integer greater than 6, then all the following must be divisible by 3 EXCEPT
Jordan passed a point on a track at a constant speed of 50 miles per hour. Then, 15 minutes later, Pauline passed the same point at a constant speed of 60 miles per hour. If both runners maintained their speeds , how long after he passed the gas station did Pauline catch up with Jordan?
If two girls starting from same point, walking in the opposite directions with 7km/hr and 3km/hr as average speeds respectively. Then the distance between them after 12 hours is?
Perimeter of the backwheel is 9 feet and front wheel is 7 feet at a certain distance. The front wheel gets 10 revolutions more than the back wheel. What is the distance?
You have 59 cubic blocks. What is the minimum number that needs to be taken away in order to construct a solid cube with none left over?
Angelo and Isabella are both salespersons. In any given week, Angelo makes $550 in base salary plus 8 percent of the portion of his sales above $3,000 for that week. Isabella makes 10 percent of her total sales for any given week. For what amount of weekly sales would Angelo and Isabella earn the same amount of money?
In a kilometer race, A beats B by 16 meters or 10 seconds. What time does A take to complete the race?
John was thrice as old as Tom 6 yrs back. He will be 5/3 times as old as Tom 6 years hence. How old is Tom today?
A car covers a distance of 624 km in 6 ½ hours. Find its speed?
The area of one square is x^2 + 4x + 4and the area of another square is 4x^2 − 12x + 9. If the sum of the perimeters of both squares is 32, what is the value of x?
If (8x)/(11y/z -1) = 3x then which of the following is true?
Which of the following could be the sides of an obtuse angled triangle? all values are degree only I. 51, 29, 100 II. 32, 33,4 4 III. 52, 53, 55
Excluding stoppages, the speed of a bus is 5454 kmph and including stoppages, it is 4545kmph. For how many minutes does the bus stop per hour?
For a certain set of numbers, if x is in the set, then x - 3 is also in the set. If the number 4 is in the set , which of the following must also be in the set ? a) 4 b) 1 c) -5
5^100 is divided by 18. Then what is the remainder?
If two letters are chosen at random (without replacement) from the word EQUAL, what is the probability that none of the letters are vowels?
If nn is a positive integer and (n+1)(n+3)(n+1)(n+3) is odd, then (n+2)(n+4)(n+2)(n+4) must be a multiple of which one of the following?
In how many ways can a five-letter password be chosen, using the letters A, B, C, D, E, F, G, and/or H such that at least one letter is repeated within the password?
A car covers 4 successive 3km stretches at speed of 10kmph, 20kmph, 30kmph & 60kmph resp. Its average speed is
A reading list for a certain course consists of 10 books, of which 4 are poems and the rest are novels. Each student is required to read a selection of 4 books from the list, including at most 2 novels. How many selections of 4 books satisfy the requirements?
The sum an integer N and its reciprocal is equal to 78/15. What is the value of N?
An accurate clock shows 5 o'clock in the morning. Through how may degrees will the hour hand rotate when the clock shows 11 o'clock in the morning?
How many 5 digit numbers can be formed which are divisible by 3 using the numerals 0, 1, 2, 3, 4, 5 (WITHOUT REPETITION)
Monica planned her birthday party. She prepared 5 muffins for each of her guests and kept aside two additional muffins in case someone will want extra. After the party, it turned out that one of the guests didn't come but every one of the guests that did come ate six muffins and 3 muffins remained. How many guests did Monica plan on?
Two pipes P and Q can fill a cistern in 10 and 15 minutes respectively. Both are opened together, but at the end of 3 minutes the first is turned off. How much longer will the cistern take to fill?
In a marketing survey, 60 people were asked to rank three flavors of ice cream, chocolate, vanilla, and strawberry, in order of their preference. All 60 people responded, and no two flavors were ranked equally by any of the people surveyed. If 3/5 of the people ranked vanilla last, 1/10 of them ranked vanilla before chocolate, and 1/3 of them ranked vanilla before strawberry, how many people ranked vanilla first?
Water consists of hydrogen and oxygen, and the approximate ratio, by mass, of hydrogen to oxygen is 2:16. Approximately how many grams of oxygen are there in 135 grams of water?
If (x/y)=(7/5), find the value (x^2+y^2)/(x^2-y^2)
A man can row his boat with the stream at 20 km/h and against the stream in 4 km/h. The man's rate is?
The average marks obtained by 120 candidates in a certain examination is 35.Find the total marks.
A no. when divided by the sum of 555 and 445 gives 2times their difference as quotient & 30 as remainder. Find the no. is?
A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days A do the work if he is assisted by B and C on every third day?
If 1535/1038 = a+1/[b+1/{c+(d+1/e)}]. Find abcde?
A wire in the form of a circle of radius 3.5 m is bent in the form of a rectangule, whose length and breadth are in the ratio of 6 : 5. What is the area of the rectangle?
There are 9 women and 7 men in a certain club. If the club is to select a committee of 2 women and 2 men, how many different such committees are possible?
The average of 11 numbers is 10.7. If the average of the first six numbers is 10.5 and that of the last six numbers is 11.4, then the middle number is
If w is 40 percent less than x, x is 40 percent less than y, and z is 46 percent less than y, then z is greater than w by what percent of w?
Look at this series: 98, 98, 90, 90, 82, 82, ... What number should come next?
Warner Limited has 4 Senior Managing Directors and 6 Managing Directors. Each investment banking deal requires the guidance of three managing directors, at least one of which must be a Senior Managing Director. How many possible investment banking deals can Warner Limited possibly provide guidance for?
12 men take 18 days to complete a job whereas 12 women in 18 days can complete 1/2 of the same job. How many days will 10 men and 8 women together take to complete the same job?
The ages of X and Y are in the ratio of 3:8 respectively and product of their ages is 384. Compute the ratio of their ages three years hence.
A diagonal of a polygon is an segment between two non-adjacent vertices of the polygon. How many diagonals does a regular 20-sided polygon have?
Adding 50% of x to x is equivalent to multiplying x by which of the following?
What is the rate percent when the simple interest on Rs.800 amount to Rs.128 in 4 Years?
A researcher plans to identify each participant in a certain medical experiment with a code consisting of either a single letter or a pair of distinct letters written in alphabetical order. What is the least number of letters that can be used if there are 12 participants, and each participant is to receive a different code?
A and B can do a piece of work in 40 days and 40 days respectively. They work together for 10 days and B leaves. In how many days the whole work is completed?
There are 4 people of different heights standing in order of increasing height. The difference is 2 inches between the first person and the second person, and also between the second person and the third person. The difference between the third person and the fourth person is 6 inches and the average height is 79. How tall is the fourth person?
Kamal's salary was decreased by 50% and subsequently increased by 30%. How much percent does he lose?
A dog takes 3 leaps for every 5 leaps of a hare. If one leap of the dog is equal to 3 leaps of the hare, the ratio of the speed of the dog to that of the hare is :
A rectangular parking space is marked out by painting three of its sides. If the length of the unpainted side is 99 feet, and the sum of the lengths of the painted sides is 37 feet, find out the area of the parking space in square feet?
The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one of the numbers is 275, then the other is:
What is the equation of a circle of radius 6 units centered at (2, 2)?
The price of sugar is increased by 7%. By how much percent should a home maker reduce her consumption of sugar to have no extra expenditure?
In how many ways letters of the word RSCUPERATE be arranged?
9548 + 7314 = 7362 + (?)
The current birth rate per thousand is 32, whereas corresponding death rate is 11 per thoudand. The net growth rate in terms of population increase in percent is given by
Reena took a loan of Rs. 1200 with simple interest for as many years as the rate of interest. If she paid Rs. 432 as interest at the end of the loan period, what was the rate of interest?
Which of the following describes all values of x for which 4–x^2 >= 0?
AMS employs 7 professors on their staff. Their respective probability of remaining in employment for 10 years are, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9. The probability that after 10 years all 7 of them still work in AMS is ?
Jegan has 10 pairs of shoes; each pair is a different color. If Jegan randomly selects 2 shoes without replacement from the 20 shoes, what is the probability that she will select 2 shoes of the same color?
The fourth proportional to 12, 15 and 20 is?
If the cost price of 12 pens is equal to the selling price of 8 pens, the gain percent is:
If m/35 is an integer, then each of the following must be an integer EXCEPT
Visitors to show were charged Rs.5 each on the first day. Rs.7.50 on the second day, Rs.2.50 on the third day and total attendance on the three days were in ratio 2:5:13 respectively. The average charge per person for the whole show is?
The length of the bridge, which a train 130 m long and traveling at 45 km/hr can cross in 30 sec is?
A jar contains 9 marbles consisting of an equal number of red, green, and blue marbles. Three marbles are removed from the jar and discarded. What is the probability that only two colors will remain in the jar after the Three marbles have been removed?
A MAN wants to plant trees in his garden in rows in such a way that the number of trees in each row to be the same. If there are 12 rows the number of trees in each row is 24 if there are 6 more rows find the number of trees in each row?
If 2<m<6<m<11, then what is the greatest possible positive integer difference of m and n?
A starts a business with a capital of Rs. 85,000. B joins in the business with Rs.42500 after some time. For how much period does B join, if the profits at the end of the year are divided in the ratio of 3 : 1?
Every student at Zarcy School is in at least one of three clubs: horseback riding, embroidery, and country dancing, which are the only clubs in existence at the school. The ratio of the number of students in exactly two clubs to the number of students in exactly one club is 4:3, while the ratio of the number of students in exactly two clubs to the number of students in at least two clubs is 5:7. Which of the following could be the total number of students at Zarcy School?
If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance traveled by him is?
If the cost price of 20 articles is same as the selling price of 25 articles. Find the gain or loss percentage?
Three competing juice makers conducted a blind taste test with mall shoppers. The shoppers could choose to taste any number of the three brands of juices but had to select at least one juice that they liked. If 100 shoppers liked brand J, 200 shoppers liked brand K, 700 shoppers liked brand L, 300 shoppers liked exactly 2 juices, and 25 shoppers liked all three juices, how many shoppers took the taste test?
A certain sum amount to $1400 in 2 yrs and $2000 in five years on certain fixed simple interest. In how many yrs would the amount be $2440 had it been put at the rate of interest compounded annually?
A parking space have 5 different slots. 5 cars has to arrange in 5 slots. But there are exactly 3 cars between 2 specified cars. In how many ways cars can be arranged?
In what time will a train 150 m long cross an electric pole, it its speed be 144 km/hr?

3.5 can be expressed in terms of percentage as?

4 dice are thrown simultaneously on the board. Find the probability show the same face.

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

Tom can hit a target 3 times in 6 shots, Marry can hit the target 2 times in 6 shots & mike can hit 4 times in 4 shots. What is the probability that atleast 2shots hit the target ?

A took 15 seconds to cross a rectangular field diagonally walking at the rate of 52 m/min and B took the same time to cross the same field along its sides walking at the rate of 68m/min. The area of the field is?

3,14,39,_?

The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 81. What is the difference between the two digits of that number?

In a certain lottery, the probability that a number between 12 and 20, inclusive, is drawn is 1/6 . If the probability that a number 12 or larger is drawn is 1/2 , what is the probability that a number less than or equal to 20 is drawn?

In how many ways can the word DAILY arranged?

The value of x + x(xx) when x = 2 is: (a) 10, (b) 16, (c) 18, (d) 36, (e) 64

A cylinder of height h is 6/7 of water. When all of the water is poured into an empty cylinder whose radius is 25 percent larger than that of the original cylinder, the new cylinder is 3/5 full. The height of the new cylinder is what percent of h?

There is a 55 cm line marked at each centimeter and an insect is placed at every centimeter. 9 frogs are trained to jump a constant distance. The first one jumps 2 cm in every leap, the second one jumps 3 cm and so on until the 9th one jumps 10 cm in every leap and they eat any insect that is available at that spot. If all of them start from start line and finish the entire 55 cm, how many insects were still left after the race was over?

A certain sum of money at simple interest amounted Rs.1240 in 6 years at 4% per annum, find the sum?

If -0.5 < x < 0, which of the following must be true? I. x^7 < x^2 II. x^3 < 1 – x^3 III. x^4 < x^2

An aeroplane covers a certain distance at a speed of 1500 kmph in 2 hours. To cover the same distance in 1 2/3 hours, it must travel at a speed of:

The total weight of six people of equal weights inside a car is 12% of the total weight of the car (inclusive of the six people inside). If three people get down from the car, what will be the ratio of the weight of people inside the car to the weight of the empty car?

If the cost price of 12 pens is equal to the selling price of 7 pens, the gain percent is:

John would make the 3-letter codes with 26 alphabets in condition that the middle letter must be vowel and the first letter and the third letter must be different from each other and both are consonant. How many cases of the codes are there?

The sum of the two numbers is 15 and their product is 35. What is the sum of the reciprocals of these numbers?

Of the 645 speckled trout in a certain fishery that contains only speckled and rainbow trout, the number of males is 45 more than twice the number of females. If the ratio of female speckled trout to male rainbow trout is 4:3 and the ratio of male rainbow trout to all trout is 3:20, how many female rainbow trout are there?

There are 16 bees in the hive , then 7 more fly. How many bees are there in all?

Rs.2500 is divided into two parts such that if one part be put out at 5% simple interest and the other at 6%, the yearly annual income may be Rs.140. How much was lent at 5%?

If two dice are thrown together, the probability of getting an even number on one die and an odd number on the other is?

Two taps A and B can fill a cistern in 12 minutes and 18 minutes respectively. They are turned on at the same time. If the tap A is turned off after 4 minutes, how long will tap B take to fill the rest of the cistern ?

IF x is an integer greater than 6, then all the following must be divisible by 3 EXCEPT

Jordan passed a point on a track at a constant speed of 50 miles per hour. Then, 15 minutes later, Pauline passed the same point at a constant speed of 60 miles per hour. If both runners maintained their speeds , how long after he passed the gas station did Pauline catch up with Jordan?

If two girls starting from same point, walking in the opposite directions with 7km/hr and 3km/hr as average speeds respectively. Then the distance between them after 12 hours is?

Perimeter of the backwheel is 9 feet and front wheel is 7 feet at a certain distance. The front wheel gets 10 revolutions more than the back wheel. What is the distance?

You have 59 cubic blocks. What is the minimum number that needs to be taken away in order to construct a solid cube with none left over?

Angelo and Isabella are both salespersons. In any given week, Angelo makes $550 in base salary plus 8 percent of the portion of his sales above $3,000 for that week. Isabella makes 10 percent of her total sales for any given week. For what amount of weekly sales would Angelo and Isabella earn the same amount of money?

In a kilometer race, A beats B by 16 meters or 10 seconds. What time does A take to complete the race?

John was thrice as old as Tom 6 yrs back. He will be 5/3 times as old as Tom 6 years hence. How old is Tom today?

A car covers a distance of 624 km in 6 ½ hours. Find its speed?

The area of one square is x^2 + 4x + 4and the area of another square is 4x^2 − 12x + 9. If the sum of the perimeters of both squares is 32, what is the value of x?

If (8x)/(11y/z -1) = 3x then which of the following is true?

Which of the following could be the sides of an obtuse angled triangle? all values are degree only I. 51, 29, 100 II. 32, 33,4 4 III. 52, 53, 55

Excluding stoppages, the speed of a bus is 5454 kmph and including stoppages, it is 4545kmph. For how many minutes does the bus stop per hour?

For a certain set of numbers, if x is in the set, then x - 3 is also in the set. If the number 4 is in the set , which of the following must also be in the set ? a) 4 b) 1 c) -5

5^100 is divided by 18. Then what is the remainder?

If two letters are chosen at random (without replacement) from the word EQUAL, what is the probability that none of the letters are vowels?

If nn is a positive integer and (n+1)(n+3)(n+1)(n+3) is odd, then (n+2)(n+4)(n+2)(n+4) must be a multiple of which one of the following?

In how many ways can a five-letter password be chosen, using the letters A, B, C, D, E, F, G, and/or H such that at least one letter is repeated within the password?

A car covers 4 successive 3km stretches at speed of 10kmph, 20kmph, 30kmph & 60kmph resp. Its average speed is

A reading list for a certain course consists of 10 books, of which 4 are poems and the rest are novels. Each student is required to read a selection of 4 books from the list, including at most 2 novels. How many selections of 4 books satisfy the requirements?

The sum an integer N and its reciprocal is equal to 78/15. What is the value of N?

An accurate clock shows 5 o'clock in the morning. Through how may degrees will the hour hand rotate when the clock shows 11 o'clock in the morning?

How many 5 digit numbers can be formed which are divisible by 3 using the numerals 0, 1, 2, 3, 4, 5 (WITHOUT REPETITION)

Monica planned her birthday party. She prepared 5 muffins for each of her guests and kept aside two additional muffins in case someone will want extra. After the party, it turned out that one of the guests didn't come but every one of the guests that did come ate six muffins and 3 muffins remained. How many guests did Monica plan on?

Two pipes P and Q can fill a cistern in 10 and 15 minutes respectively. Both are opened together, but at the end of 3 minutes the first is turned off. How much longer will the cistern take to fill?

In a marketing survey, 60 people were asked to rank three flavors of ice cream, chocolate, vanilla, and strawberry, in order of their preference. All 60 people responded, and no two flavors were ranked equally by any of the people surveyed. If 3/5 of the people ranked vanilla last, 1/10 of them ranked vanilla before chocolate, and 1/3 of them ranked vanilla before strawberry, how many people ranked vanilla first?

Water consists of hydrogen and oxygen, and the approximate ratio, by mass, of hydrogen to oxygen is 2:16. Approximately how many grams of oxygen are there in 135 grams of water?

If (x/y)=(7/5), find the value (x^2+y^2)/(x^2-y^2)

A man can row his boat with the stream at 20 km/h and against the stream in 4 km/h. The man's rate is?

The average marks obtained by 120 candidates in a certain examination is 35.Find the total marks.

A no. when divided by the sum of 555 and 445 gives 2times their difference as quotient & 30 as remainder. Find the no. is?

A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days A do the work if he is assisted by B and C on every third day?

If 1535/1038 = a+1/[b+1/{c+(d+1/e)}]. Find a*b*c*d*e?

A wire in the form of a circle of radius 3.5 m is bent in the form of a rectangule, whose length and breadth are in the ratio of 6 : 5. What is the area of the rectangle?

There are 9 women and 7 men in a certain club. If the club is to select a committee of 2 women and 2 men, how many different such committees are possible?

The average of 11 numbers is 10.7. If the average of the first six numbers is 10.5 and that of the last six numbers is 11.4, then the middle number is

If w is 40 percent less than x, x is 40 percent less than y, and z is 46 percent less than y, then z is greater than w by what percent of w?

Look at this series: 98, 98, 90, 90, 82, 82, ... What number should come next?

Warner Limited has 4 Senior Managing Directors and 6 Managing Directors. Each investment banking deal requires the guidance of three managing directors, at least one of which must be a Senior Managing Director. How many possible investment banking deals can Warner Limited possibly provide guidance for?

12 men take 18 days to complete a job whereas 12 women in 18 days can complete 1/2 of the same job. How many days will 10 men and 8 women together take to complete the same job?

The ages of X and Y are in the ratio of 3:8 respectively and product of their ages is 384. Compute the ratio of their ages three years hence.

A diagonal of a polygon is an segment between two non-adjacent vertices of the polygon. How many diagonals does a regular 20-sided polygon have?

Adding 50% of x to x is equivalent to multiplying x by which of the following?

What is the rate percent when the simple interest on Rs.800 amount to Rs.128 in 4 Years?

A researcher plans to identify each participant in a certain medical experiment with a code consisting of either a single letter or a pair of distinct letters written in alphabetical order. What is the least number of letters that can be used if there are 12 participants, and each participant is to receive a different code?

A and B can do a piece of work in 40 days and 40 days respectively. They work together for 10 days and B leaves. In how many days the whole work is completed?

There are 4 people of different heights standing in order of increasing height. The difference is 2 inches between the first person and the second person, and also between the second person and the third person. The difference between the third person and the fourth person is 6 inches and the average height is 79. How tall is the fourth person?

Kamal's salary was decreased by 50% and subsequently increased by 30%. How much percent does he lose?

A dog takes 3 leaps for every 5 leaps of a hare. If one leap of the dog is equal to 3 leaps of the hare, the ratio of the speed of the dog to that of the hare is :

A rectangular parking space is marked out by painting three of its sides. If the length of the unpainted side is 99 feet, and the sum of the lengths of the painted sides is 37 feet, find out the area of the parking space in square feet?

The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one of the numbers is 275, then the other is:

What is the equation of a circle of radius 6 units centered at (2, 2)?

The price of sugar is increased by 7%. By how much percent should a home maker reduce her consumption of sugar to have no extra expenditure?

In how many ways letters of the word RSCUPERATE be arranged?

9548 + 7314 = 7362 + (?)

The current birth rate per thousand is 32, whereas corresponding death rate is 11 per thoudand. The net growth rate in terms of population increase in percent is given by

Reena took a loan of Rs. 1200 with simple interest for as many years as the rate of interest. If she paid Rs. 432 as interest at the end of the loan period, what was the rate of interest?

Which of the following describes all values of x for which 4–x^2 >= 0?

AMS employs 7 professors on their staff. Their respective probability of remaining in employment for 10 years are, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9. The probability that after 10 years all 7 of them still work in AMS is ?

Jegan has 10 pairs of shoes; each pair is a different color. If Jegan randomly selects 2 shoes without replacement from the 20 shoes, what is the probability that she will select 2 shoes of the same color?

The fourth proportional to 12, 15 and 20 is?

If the cost price of 12 pens is equal to the selling price of 8 pens, the gain percent is:

If m/35 is an integer, then each of the following must be an integer EXCEPT

Visitors to show were charged Rs.5 each on the first day. Rs.7.50 on the second day, Rs.2.50 on the third day and total attendance on the three days were in ratio 2:5:13 respectively. The average charge per person for the whole show is?

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

A jar contains 9 marbles consisting of an equal number of red, green, and blue marbles. Three marbles are removed from the jar and discarded. What is the probability that only two colors will remain in the jar after the Three marbles have been removed?

A MAN wants to plant trees in his garden in rows in such a way that the number of trees in each row to be the same. If there are 12 rows the number of trees in each row is 24 if there are 6 more rows find the number of trees in each row?

If 2<m<6<m<11, then what is the greatest possible positive integer difference of m and n?

A starts a business with a capital of Rs. 85,000. B joins in the business with Rs.42500 after some time. For how much period does B join, if the profits at the end of the year are divided in the ratio of 3 : 1?

Every student at Zarcy School is in at least one of three clubs: horseback riding, embroidery, and country dancing, which are the only clubs in existence at the school. The ratio of the number of students in exactly two clubs to the number of students in exactly one club is 4:3, while the ratio of the number of students in exactly two clubs to the number of students in at least two clubs is 5:7. Which of the following could be the total number of students at Zarcy School?

If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance traveled by him is?

If the cost price of 20 articles is same as the selling price of 25 articles. Find the gain or loss percentage?

Three competing juice makers conducted a blind taste test with mall shoppers. The shoppers could choose to taste any number of the three brands of juices but had to select at least one juice that they liked. If 100 shoppers liked brand J, 200 shoppers liked brand K, 700 shoppers liked brand L, 300 shoppers liked exactly 2 juices, and 25 shoppers liked all three juices, how many shoppers took the taste test?

A certain sum amount to $1400 in 2 yrs and $2000 in five years on certain fixed simple interest. In how many yrs would the amount be $2440 had it been put at the rate of interest compounded annually?

A parking space have 5 different slots. 5 cars has to arrange in 5 slots. But there are exactly 3 cars between 2 specified cars. In how many ways cars can be arranged?

In what time will a train 150 m long cross an electric pole, it its speed be 144 km/hr?