dfdsfgf/big_math_dataset · Datasets at Hugging Face

question stringlengths 3 1.14k
What digit appears in the units place in the number obtained when 2^320 is multiplied out?
The speed at which a man can row a boat in still water is 15 kmph. If he rows downstream, where the speed of current is 3 kmph, what time will he take to cover 60 metres?
How many of the following numbers are divisible by 16 ? 264, 396, 462, 792, 968, 2178, 5184, 6336
Two pipes A and B can separately fill a cistern in 60 minutes and 120 minutes respectively. There is a third pipe in the bottom of the cistern to empty it. If all the three pipes are simultaneously opened, then the cistern is full in 60 minutes. In how much time, the third pipe alone can empty the cistern?
A squirrel runs up a cylindrical post , in a perfect spiral path making one circuit for each rise of 4 feet . How many feet does the squirrel travels if the post is 16 feet tall and 3 feet in circumference?
51 = 4a + 3b 5 > \|–a\| If a and b are both integers, What is the highest values of ‘a’ that can be used to solve the above equation.
Can you find the smallest non fractional number such that If the number gets divided by 4 , we get the remainder of 1; If the number gets divided by 5 , we get the remainder of 2 If the number gets divided by 6 , we get the remainder of 3; If the number gets divided by 7, we get the remainder of 4.
Nathan,Fred, Alan, Becky and Allison are each holding one of the following 4 cards. Nathan and Alan both have Spades. Becky and Alan both have the same number. Which one has the 9 of hearts?
A cistern is filled by a tap in 7 1/2 hours. Due to leak in the bottom of the cistern, it takes half an hour longer to fill the cistern. If the cistern is full how many hours will it take the leak to empty it?
Find the sum The difference between the compound and S.I. on a certain sum of money for 2 years at 10% per annum is Rs.15of money?
In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, what is the dividend ?
Five friends Adi, Brian, Close, Derek and Eli appeared in two aptitude tests. In the first aptitude test, Derek score 50% less than the average score of the five people. In the second aptitude test, Derek score 50% more than what he scored on the first aptitude test. If the score of his friend in the second aptitude test were same as their score in the first test, by approximately what percentage was Derek's score less than the average score of the 5 people in the second aptitude?
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 sec. The speed of the train is?
Change the below lagarithm log255 = 1/2 to exponential form
A train covers a distance of 12 km in 10 min. If it takes 5 sec to pass a telegraph post, then the length of the train is?
In how many ways a committee, consisting of 5 men and 6 women can be formed from 8 men and 10 women?
what is the compound interest on rs:40,000 for 4 months at the rate of 5% per annum
What will be the ratio of simple interest earned by certain amount at the same rate of interest for 9 years and that for 6 years?
If three machines working at the same rate can do 3/4 of a job in 30 minutes, how many minutes would it take two machines working at the same rate to do 3/5 of the job?
The number of circles that can be drawn out of 10 points of which 7 are collinear is
Ravi can do a piece of work in 30 days while Prakash can do it in 40 days. In how many days will they finish it together?
The average of a non-zero number and its square is 5 times the number. The number is:
Pipes A and B can fill a cistern in 9 and 72 minutes respectively. They are opened an alternate minutes. Find how many minutes, the cistern shall be full?
Look at this series: 7, 10, 8, 11, 9, 12, 10, ... What number should come next?
If a and b are the two values of t that satisfy the equation t^2 â€“ 14t + 24 = 0, with a > b, what is the value of a â€“ b?
At a conference table, 9 employees gather around a table. One of the employees is the manager and he sits at the head of the table. Two of the employees sit on either side of the table. How many different seating arrangements can be made with these 9 employees?
Line m lies in the xy-plane. The y-intercept of line m is -2, and line m passes through the midpoint of the line segment whose endpoints are (2, 4) and (6, -6). What is the slope of line m ?
The sale price of a trolley bag including the sale tax is Rs. 420. The rate of sale tax is 12% . If the shopkeeper has made a profit of 25%, the cost price of the trolley bag is:
Out of 7 constants and 4 vowels how many words of 3 consonants and 2 vowels can be formed?
If A lends Rs.3500 to B at 10% per annum and B lends the same sum to C at 11.5% per annum then the gain of B in a period of 3 years is?
If 20% of a number is equal to three-fifth of another number, what is the ratio of first number to the second number?
A basket has 6 apples and 6 oranges. Three fruits are picked at random. What is the probability that at least 2 apples are picked?
By purchasing an article at 20 % discount on the original price and then selling it at a price of 25% above the original price, a trader earns Rs. 200 as the profit. What was the original price of the article?
A library has an average of 510 visitors on Sunday and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is:
Select the non termination decimal among the following.
How many paying stones, each measuring 3 * 2 m are required to pave a rectangular court yard 15 m long and 6 m board?
Ten percent of Ram's monthly salary is equal to eight percent of Shyam's monthly salary. Shyam's monthly salary is twice Abhinav's monthly salary. If Abhinav's annual salary is Rs. 1.92 lakhs, find Ram's monthly salary?
The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is:
A man rows to a place 24 km distance and come back in 7 hours. He finds that he can row 2 km with the up stream in the same time as 3 km against the down stream. The rate of the stream is
What is the remainder when 3^381 is divided by 5 ?
P alone can complete a piece of work in 6 days. Work done by Q alone in one day is equal to one-third of the work done by P alone in one day. In how many days can the work be completed if P and Q work together?
A runs twice as fast as B and gives B a start of 60m.How long should the racecourse be so that A and B might reach in the same time?
If 5 is added to twice a number and this sum is multiplied by 10, the result is the same as if the number is multiplied by 5 and 20 is added to the product. What is the number?
Laxman went 15 kms from my house, then turned left and walked 20 kms. He then turned east and walked 25 kms and finally turning left covered 20kms. How far was he from his house?
A sum of money invested for a certain number of years at 8% p.a. simple interest grows to Rs.180. The same sum of money invested for the same number of years at 4% p.a. simple interest grows to Rs.120. For how many years was the sum invested?
Calculate the number of urns of water needed to fill a tank of dimensions of 10x10x5m to 90% full, if the volume of the urn is 0.8m3 and can only be filled to 80%.
A clock is set right at 5 a.m. The clock loses 16 minutes in 24 hours.What will be the true time when the clock indicates 10 p.m. on 4th day?
7 speakers gathered to deliver speeches on two topics. Even though 7 speeches were initially planned to be delivered, due to lack of time only 2 speeches were finally decided to be delivered. Topics are to be spoken in a specific order and the speeches differ with respect to speaker or topic. How many such two speeches are possible?
Bill is golfing with two friends and can either buy generic golf tees that are packaged by the dozen or the higher quality Aero flight tees that come by the pair. What is the minimum number of packages of Aero flight tees Bill must purchase to ensure that he has at least 10 golf tees for each member of his foursome, if he will buy no more than 2 packages of the generic golf tees?
What is the selling price of a car? cost of car is Rs 60 & profit 10% profit over selling price
Two unbiased coins are tossed. Find the probability of getting at most one head?
Compound interest of Rs.5000 at 10% per annum for 1 1/2years will be (interest compounded half yearly).
An airplane flies against the wind from A to B in 8 hours. The same airplane returns from B to A, in the same direction as the wind, in 7 hours. Find the ratio of the speed of the airplane (in still air) to the speed of the wind.
A contractor undertakes to complete the construction of a tunnel 720 meters long in 240 days and employs 60 men for the purpose. After 120 days, he finds that only 240 meters of the tunnel is complete. How many more men should be employ in order to complete the work in time?
The length of the bridge, which a train 130 metres long and travelling at 36 km/hr can cross in 45 seconds, is:
Which of the following is equal to the value of 2^7 + 2^7 + 3^7 + 3^7 + 3^7 ?
Fred and Sam are standing 50 miles apart and they start walking in a straight line toward each other at the same time. If Fred walks at a constant speed of 5 miles per hour and Sam walks at a constant speed of 5 miles per hour, how many miles has Sam walked when they meet?
If -1 < x < 0, which of the following must be true? I. x^7 < x^3 II. x^3 < 1 – x III. x^5 < x^3
On a trip, a cyclist averaged 8 miles per hour for the first 12 miles and 12 miles per hour for the remaining 24 miles. If the cyclist returned immediately via the same route and took a total of 7.5 hours for the round trip, what was the average speed (in miles per hour) for the return trip?
A man can do a piece of work in 5 days, but with the help of his son he can do it in 3 days. In what time can the son do it alone ?
At present, the ratio between the ages of Arun and Deepak is 4:3. After 6 years, Arun's age will be 30 years. What is the age of Deepak at present?
Calculate the amount that an investor needs to be invest to earn $441 in interest in 12 months if the investor plans to invest x dollars in a savings account that pays interest at an annual rate of 7% compounded semi-annually?
What least number should be added to 1052, so that the sum is completely divisible by 23
The population of a bacteria colony doubles every day. If it was started 9 days ago with 2 bacteria and each bacteria lives for 11 days, how large is the colony today?
Given 2x + y + z = 3 and 5x + 3y + z = 15, what is the value of x + y - z?
A woman takes 5hr 45min in walking to certain place and riding back. She would have gained 2hrs by riding both ways. The time she would take to walk both ways is?
If x > 0.7, which of the following could be the value of x?
(64 - 12)^2 + 4 x 64 x 12 = ?
There is a sequence ni such, in which i is a positive integer, ni+1=2ni. If n1=1, n2=2, n3=4, n4=8, what is the scope including n11?
A and B can do a job in 15 days and 10 days, respectively. They began the work together but A leaves after some days and B finished the remaining job in 5 days. After how many days did A leave?
If Q = x% of y and B = y% of x, then which of the following is true?
A and B undertake to do a piece of work for Rs. 600. A alone can do it in 6 days while B alone can do it in 8 days. With the help of C, they finish it in 3 days. !find the share of each.
A grocer is storing soap boxes in cartons that measure 25 inches by 42 inches by 60 inches. If the measurement of each soap box is 7 inches by 12 inches by 5 inches, then what is the maximum number of soap boxes that can be placed in each carton?
Find the value of 72515 x 9999 = m?
The rate of a certain chemical reaction is directly proportional to the square of the concentration of chemical A present and inversely proportional to the concentration of chemical T present. If the concentration of chemical T is increased by 100 percent, which of the following is closest to the percent change in the concentration of chemical A required to keep the reaction rate unchanged?
How many of the following numbers are divisible by 132? 264, 396, 462, 792, 968, 2178, 5184, 6336,528,1320
Rs.160 contained in a box consists of one rupee, 50 paisa and 25 paisa coins in the ratio 4:5:6. What is the number of 25 paisa coins?
If x is an integer and 2.134 × 10^x is less than 2,200,000, what is the greatest possible value for x?
Population of a city in 20004 was 1000000. If in 2005 there isan increment of 15% , in 2006 there is a decrements of 35 % and in 2007 there is an increment of 45%, then find the population of city atthe end of the year 2007
A jar holds 10 pink candies and 30 yellow candies. One candy is drawn at random. What is the probability that the candy drawn is yellow?
The annual interest rate earned by an investment increased by 10 percent from last year to this year. If the annual interest rate earned by the investment this year was 12 percent, what was the annual interest rate last year?
If square-root of 15 is 3.87. Then find the value of square-root of (5/3)
A boat covers a certain distance downstream in 1 hour, while it comes back in 1½ hours. If the speed of the stream be 3 kmph, what is the speed of the boat in still water?
What is the product of the greatest 2 digit multiple of 9 and the greatest 2 digit prime number?
a,b,c,d,e,f,g sitting in a row what is the probability that a & c sitting adjacent.
The least number which when divided by 5, 6 , 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder, is:
Joe’s average (arithmetic mean) test score across 4 equally weighted tests was 90. He was allowed to drop his lowest score. After doing so, his average test score improved to 95. What is the lowest test score that was dropped?
What is the units digit of 28! + 50! + 3! + 4!?
On a certain baseball team, 1 out of 5 batters hit the ball. If 2 out of every 10 batters who hit the ball score a home-run, and there are 20 batters who've hit home-runs, how many players have been up to bat?
The radius of a wheel is 22.4 cm. What is the distance covered by the wheel in making 2000 resolutions?
In the county of Veenapaniville, there are a total of 50 high schools, of three kinds: 25 public schools, 16 parochial schools, and 9 private independent schools. These 50 schools are divided between three districts: A, B, and C. District A has 18 high schools total. District B has 17 high schools total, and only two of those are private independent schools. If District C has an equal number of each of the three kinds of schools, how many private independent schools are there in District A?
A sum was put at simple interest at certain rate for 3 years. Had it been put at 1% higher rate it would have fetched Rs. 75 more. The sum is: A. Rs. 2,400 B. Rs. 2,100 C. Rs. 2,200 D.Rs. 2,480
The unit digit in the product (611 * 704 * 912 * 261) is:
The perimeter of one square is 48 cm and that of another is 20 cm. Find the perimeter and the diagonal of a square which is equal in area to these two combined?
Ratio of ages of three persons is 4:7:9, Eight years ago, the sum of their ages was 56. Find their present ages.
An error 2% in excess is made while measuring the sideofa square. The % of error in the calculated area of the square is?
Which of the following describes all the values of x for which 8−4x < 18x−18?
How much does a watch lose per day, if its hands coincide ever 64 minutes?
An athlete runs 200 metres race in 24 seconds. What is his speed?
A dishonest dealer professes to sell goods at the cost price but uses a weight of 800 grams per kg, what is his percent?

What digit appears in the units place in the number obtained when 2^320 is multiplied out?

The speed at which a man can row a boat in still water is 15 kmph. If he rows downstream, where the speed of current is 3 kmph, what time will he take to cover 60 metres?

How many of the following numbers are divisible by 16 ? 264, 396, 462, 792, 968, 2178, 5184, 6336

Two pipes A and B can separately fill a cistern in 60 minutes and 120 minutes respectively. There is a third pipe in the bottom of the cistern to empty it. If all the three pipes are simultaneously opened, then the cistern is full in 60 minutes. In how much time, the third pipe alone can empty the cistern?

A squirrel runs up a cylindrical post , in a perfect spiral path making one circuit for each rise of 4 feet . How many feet does the squirrel travels if the post is 16 feet tall and 3 feet in circumference?

51 = 4a + 3b 5 > |–a| If a and b are both integers, What is the highest values of ‘a’ that can be used to solve the above equation.

Can you find the smallest non fractional number such that If the number gets divided by 4 , we get the remainder of 1; If the number gets divided by 5 , we get the remainder of 2 If the number gets divided by 6 , we get the remainder of 3; If the number gets divided by 7, we get the remainder of 4.

Nathan,Fred, Alan, Becky and Allison are each holding one of the following 4 cards. Nathan and Alan both have Spades. Becky and Alan both have the same number. Which one has the 9 of hearts?

A cistern is filled by a tap in 7 1/2 hours. Due to leak in the bottom of the cistern, it takes half an hour longer to fill the cistern. If the cistern is full how many hours will it take the leak to empty it?

Find the sum The difference between the compound and S.I. on a certain sum of money for 2 years at 10% per annum is Rs.15of money?

In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, what is the dividend ?

Five friends Adi, Brian, Close, Derek and Eli appeared in two aptitude tests. In the first aptitude test, Derek score 50% less than the average score of the five people. In the second aptitude test, Derek score 50% more than what he scored on the first aptitude test. If the score of his friend in the second aptitude test were same as their score in the first test, by approximately what percentage was Derek's score less than the average score of the 5 people in the second aptitude?

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 sec. The speed of the train is?

Change the below lagarithm log255 = 1/2 to exponential form

A train covers a distance of 12 km in 10 min. If it takes 5 sec to pass a telegraph post, then the length of the train is?

In how many ways a committee, consisting of 5 men and 6 women can be formed from 8 men and 10 women?

what is the compound interest on rs:40,000 for 4 months at the rate of 5% per annum

What will be the ratio of simple interest earned by certain amount at the same rate of interest for 9 years and that for 6 years?

If three machines working at the same rate can do 3/4 of a job in 30 minutes, how many minutes would it take two machines working at the same rate to do 3/5 of the job?

The number of circles that can be drawn out of 10 points of which 7 are collinear is

Ravi can do a piece of work in 30 days while Prakash can do it in 40 days. In how many days will they finish it together?

The average of a non-zero number and its square is 5 times the number. The number is:

Pipes A and B can fill a cistern in 9 and 72 minutes respectively. They are opened an alternate minutes. Find how many minutes, the cistern shall be full?

Look at this series: 7, 10, 8, 11, 9, 12, 10, ... What number should come next?

If a and b are the two values of t that satisfy the equation t^2 â€“ 14t + 24 = 0, with a > b, what is the value of a â€“ b?

At a conference table, 9 employees gather around a table. One of the employees is the manager and he sits at the head of the table. Two of the employees sit on either side of the table. How many different seating arrangements can be made with these 9 employees?

Line m lies in the xy-plane. The y-intercept of line m is -2, and line m passes through the midpoint of the line segment whose endpoints are (2, 4) and (6, -6). What is the slope of line m ?

The sale price of a trolley bag including the sale tax is Rs. 420. The rate of sale tax is 12% . If the shopkeeper has made a profit of 25%, the cost price of the trolley bag is:

Out of 7 constants and 4 vowels how many words of 3 consonants and 2 vowels can be formed?

If A lends Rs.3500 to B at 10% per annum and B lends the same sum to C at 11.5% per annum then the gain of B in a period of 3 years is?

If 20% of a number is equal to three-fifth of another number, what is the ratio of first number to the second number?

A basket has 6 apples and 6 oranges. Three fruits are picked at random. What is the probability that at least 2 apples are picked?

By purchasing an article at 20 % discount on the original price and then selling it at a price of 25% above the original price, a trader earns Rs. 200 as the profit. What was the original price of the article?

A library has an average of 510 visitors on Sunday and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is:

Select the non termination decimal among the following.

How many paying stones, each measuring 3 * 2 m are required to pave a rectangular court yard 15 m long and 6 m board?

Ten percent of Ram's monthly salary is equal to eight percent of Shyam's monthly salary. Shyam's monthly salary is twice Abhinav's monthly salary. If Abhinav's annual salary is Rs. 1.92 lakhs, find Ram's monthly salary?

The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is:

A man rows to a place 24 km distance and come back in 7 hours. He finds that he can row 2 km with the up stream in the same time as 3 km against the down stream. The rate of the stream is

What is the remainder when 3^381 is divided by 5 ?

P alone can complete a piece of work in 6 days. Work done by Q alone in one day is equal to one-third of the work done by P alone in one day. In how many days can the work be completed if P and Q work together?

A runs twice as fast as B and gives B a start of 60m.How long should the racecourse be so that A and B might reach in the same time?

If 5 is added to twice a number and this sum is multiplied by 10, the result is the same as if the number is multiplied by 5 and 20 is added to the product. What is the number?

Laxman went 15 kms from my house, then turned left and walked 20 kms. He then turned east and walked 25 kms and finally turning left covered 20kms. How far was he from his house?

A sum of money invested for a certain number of years at 8% p.a. simple interest grows to Rs.180. The same sum of money invested for the same number of years at 4% p.a. simple interest grows to Rs.120. For how many years was the sum invested?

Calculate the number of urns of water needed to fill a tank of dimensions of 10x10x5m to 90% full, if the volume of the urn is 0.8m3 and can only be filled to 80%.

A clock is set right at 5 a.m. The clock loses 16 minutes in 24 hours.What will be the true time when the clock indicates 10 p.m. on 4th day?

7 speakers gathered to deliver speeches on two topics. Even though 7 speeches were initially planned to be delivered, due to lack of time only 2 speeches were finally decided to be delivered. Topics are to be spoken in a specific order and the speeches differ with respect to speaker or topic. How many such two speeches are possible?

Bill is golfing with two friends and can either buy generic golf tees that are packaged by the dozen or the higher quality Aero flight tees that come by the pair. What is the minimum number of packages of Aero flight tees Bill must purchase to ensure that he has at least 10 golf tees for each member of his foursome, if he will buy no more than 2 packages of the generic golf tees?

What is the selling price of a car? cost of car is Rs 60 & profit 10% profit over selling price

Two unbiased coins are tossed. Find the probability of getting at most one head?

Compound interest of Rs.5000 at 10% per annum for 1 1/2years will be (interest compounded half yearly).

An airplane flies against the wind from A to B in 8 hours. The same airplane returns from B to A, in the same direction as the wind, in 7 hours. Find the ratio of the speed of the airplane (in still air) to the speed of the wind.

A contractor undertakes to complete the construction of a tunnel 720 meters long in 240 days and employs 60 men for the purpose. After 120 days, he finds that only 240 meters of the tunnel is complete. How many more men should be employ in order to complete the work in time?

The length of the bridge, which a train 130 metres long and travelling at 36 km/hr can cross in 45 seconds, is:

Which of the following is equal to the value of 2^7 + 2^7 + 3^7 + 3^7 + 3^7 ?

Fred and Sam are standing 50 miles apart and they start walking in a straight line toward each other at the same time. If Fred walks at a constant speed of 5 miles per hour and Sam walks at a constant speed of 5 miles per hour, how many miles has Sam walked when they meet?

If -1 < x < 0, which of the following must be true? I. x^7 < x^3 II. x^3 < 1 – x III. x^5 < x^3

On a trip, a cyclist averaged 8 miles per hour for the first 12 miles and 12 miles per hour for the remaining 24 miles. If the cyclist returned immediately via the same route and took a total of 7.5 hours for the round trip, what was the average speed (in miles per hour) for the return trip?

A man can do a piece of work in 5 days, but with the help of his son he can do it in 3 days. In what time can the son do it alone ?

At present, the ratio between the ages of Arun and Deepak is 4:3. After 6 years, Arun's age will be 30 years. What is the age of Deepak at present?

Calculate the amount that an investor needs to be invest to earn $441 in interest in 12 months if the investor plans to invest x dollars in a savings account that pays interest at an annual rate of 7% compounded semi-annually?

What least number should be added to 1052, so that the sum is completely divisible by 23

The population of a bacteria colony doubles every day. If it was started 9 days ago with 2 bacteria and each bacteria lives for 11 days, how large is the colony today?

Given 2x + y + z = 3 and 5x + 3y + z = 15, what is the value of x + y - z?

A woman takes 5hr 45min in walking to certain place and riding back. She would have gained 2hrs by riding both ways. The time she would take to walk both ways is?

If x > 0.7, which of the following could be the value of x?

(64 - 12)^2 + 4 x 64 x 12 = ?

There is a sequence ni such, in which i is a positive integer, ni+1=2ni. If n1=1, n2=2, n3=4, n4=8, what is the scope including n11?

A and B can do a job in 15 days and 10 days, respectively. They began the work together but A leaves after some days and B finished the remaining job in 5 days. After how many days did A leave?

If Q = x% of y and B = y% of x, then which of the following is true?

A and B undertake to do a piece of work for Rs. 600. A alone can do it in 6 days while B alone can do it in 8 days. With the help of C, they finish it in 3 days. !find the share of each.

A grocer is storing soap boxes in cartons that measure 25 inches by 42 inches by 60 inches. If the measurement of each soap box is 7 inches by 12 inches by 5 inches, then what is the maximum number of soap boxes that can be placed in each carton?

Find the value of 72515 x 9999 = m?

The rate of a certain chemical reaction is directly proportional to the square of the concentration of chemical A present and inversely proportional to the concentration of chemical T present. If the concentration of chemical T is increased by 100 percent, which of the following is closest to the percent change in the concentration of chemical A required to keep the reaction rate unchanged?

How many of the following numbers are divisible by 132? 264, 396, 462, 792, 968, 2178, 5184, 6336,528,1320

Rs.160 contained in a box consists of one rupee, 50 paisa and 25 paisa coins in the ratio 4:5:6. What is the number of 25 paisa coins?

If x is an integer and 2.134 × 10^x is less than 2,200,000, what is the greatest possible value for x?

Population of a city in 20004 was 1000000. If in 2005 there isan increment of 15% , in 2006 there is a decrements of 35 % and in 2007 there is an increment of 45%, then find the population of city atthe end of the year 2007

A jar holds 10 pink candies and 30 yellow candies. One candy is drawn at random. What is the probability that the candy drawn is yellow?

The annual interest rate earned by an investment increased by 10 percent from last year to this year. If the annual interest rate earned by the investment this year was 12 percent, what was the annual interest rate last year?

If square-root of 15 is 3.87. Then find the value of square-root of (5/3)

A boat covers a certain distance downstream in 1 hour, while it comes back in 1½ hours. If the speed of the stream be 3 kmph, what is the speed of the boat in still water?

What is the product of the greatest 2 digit multiple of 9 and the greatest 2 digit prime number?

a,b,c,d,e,f,g sitting in a row what is the probability that a & c sitting adjacent.

The least number which when divided by 5, 6 , 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder, is:

Joe’s average (arithmetic mean) test score across 4 equally weighted tests was 90. He was allowed to drop his lowest score. After doing so, his average test score improved to 95. What is the lowest test score that was dropped?

What is the units digit of 28! + 50! + 3! + 4!?

On a certain baseball team, 1 out of 5 batters hit the ball. If 2 out of every 10 batters who hit the ball score a home-run, and there are 20 batters who've hit home-runs, how many players have been up to bat?

The radius of a wheel is 22.4 cm. What is the distance covered by the wheel in making 2000 resolutions?

In the county of Veenapaniville, there are a total of 50 high schools, of three kinds: 25 public schools, 16 parochial schools, and 9 private independent schools. These 50 schools are divided between three districts: A, B, and C. District A has 18 high schools total. District B has 17 high schools total, and only two of those are private independent schools. If District C has an equal number of each of the three kinds of schools, how many private independent schools are there in District A?

A sum was put at simple interest at certain rate for 3 years. Had it been put at 1% higher rate it would have fetched Rs. 75 more. The sum is: A. Rs. 2,400 B. Rs. 2,100 C. Rs. 2,200 D.Rs. 2,480

The unit digit in the product (611 * 704 * 912 * 261) is:

The perimeter of one square is 48 cm and that of another is 20 cm. Find the perimeter and the diagonal of a square which is equal in area to these two combined?

Ratio of ages of three persons is 4:7:9, Eight years ago, the sum of their ages was 56. Find their present ages.

An error 2% in excess is made while measuring the sideofa square. The % of error in the calculated area of the square is?

Which of the following describes all the values of x for which 8−4x < 18x−18?

How much does a watch lose per day, if its hands coincide ever 64 minutes?

An athlete runs 200 metres race in 24 seconds. What is his speed?

A dishonest dealer professes to sell goods at the cost price but uses a weight of 800 grams per kg, what is his percent?