dfdsfgf/big_math_dataset · Datasets at Hugging Face

question stringlengths 3 1.14k
What is the diffference between the place value and face value of 7 in the numeral 9751?
A rectangular-shaped carpet that measures x feet by y feet is priced at $40. What is the cost of the carpet, in dollars per square yard? (1 square yard = 9 square feet)
A sum of money is to be distributed among A, B, C, D in the proportion of 5:2:4:3. If C gets Rs. 1000 more than D, what is B's share?
A woman swims downstream 45 km and upstream 15 km taking 3 hours each time, what is the speed of the woman in still water?
If 2 cards are selected at random from the deck of 52 cards then What is the probability of one of the selected cards will be King and other will be Jack? A deck of cards has a total of 52 cards, consisting of 4 suits; (spades(Black), hearts(Red), diamond(Red)s, and clubs(Black)); and 13 cards including 1 king, 1 queen and 1 jack in each suit
1,3,5,7,9,..50 find term of sequnce for this.
Compute the probability that two random integers, independently chosen and both taking on an integer value between 1 and 10 with equal probability, have a prime product.
Audrey 4 hours to complete a certain job. Ferris can do the same job in 3hours. Audrey and Ferris decided to collaborate on the job, working at their respective rates. While Audrey worked continuously, Ferris took 1 breaks of equal length. If the two completed the job together in 2 hours, how many minutes long was each of Ferris’ breaks ?
If r is even and t is odd, which of the following is odd?
If x and y are prime numbers such that x > y > 3, then x^2 − y^2 must be divisible by which one of the following numbers?
If M = N/O, -1 < O < 0 and 4 < N, which of the following is correct?
there are 4 consonants 3 vowels how many 6 letter strings can u form with atleast one vowels in each?
The radius of a cylindrical water tank is reduced by 50%. However, the speed by which water is filled into the tank is also decreased by 50%. How much more or less time B will it take to fill the tank now?
A cat chases a rat 6 hours after the rat runs. cat takes 4 hours to reach the rat. If the average speed of the cat is 90 kmph, what s the average speed of the rat?
How many seconds will a 500 m long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 63 km/hr?
In a stack of cards, 11 cards are blue and the rest are red. If 2 cards are to be chosen at random from the stack without replacement, the probability that the cards chosen will both be blue is 5/6 . What is the number of cards in the stack?
A woman has three blouses of different colors, three skirts of different colors, and thee different pairs of shoes. She refuses to wear her pink blouse with her green skirt. How many different blouseskirt-shoe combinations could she wear?
If the sum of five consecutive positive integers is A, then the sum of the next three consecutive integers in terms of A is:
Find value of x: 121 × 54 = x
What is the smallest no. that should be added to 45454 to make it exactly divisible by 9?
The true discount on a bill of Rs. 2360 is Rs. 360. What is the banker's discount?
How many cubes of 25 cm edge can be put in a cubical box of 1 m edge.
A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?
If the cost price of 17 articles is equal to the selling price of 16 articles, What is the percentage of profit or loss that the merchant makes?
If a man can cover 12 metres in one second, how many kilometres can he cover in 3 hours 45 minutes?
A man buys Rs. 20 shares paying 9% dividend. The man wants to have an interest of 12% on his money. The market value of each share is:
The area of a parallelogram is 128sq m and its altitude is twice the corresponding base. Then the length of the base is?
Complete the sequence: B E J Q ?
In the coordinate plane, points (x, 1) and (10, y) are on line k. If line k passes through the origin and has slope 1/3, then x + y =
7.51 8.22 7.86 8.36 8.09 7.83 8.30 8.01 7.73 8.25 7.96 8.53 A vending machine is designed to dispense 8 ounces of coffee into a cup. After a test that recorded the number of ounces of coffee in each of 1000 cups dispensed by the vending machine, the 12 listed amounts, in ounces, were selected from the data above. If the 1000 recorded amounts have a mean of 7.2 ounces and a standard deviation of 0.3 ounces, how many of the 12 listed amounts are within 1.5 standard deviation of the mean?
What will be the cost of building a fence around a square plot with area equal to 289 sq ft, if the price per foot of building the fence is Rs. 58?
If the 5th date of a month is Tuesday, what date will be 3 days after the 3rd Friday in the month?
A and B put in Rs.300 and Rs.400 respectively into a business. A reinvests into the business his share of the first year's profit of Rs.210 where as B does not. In what ratio should they divide the second year's profit?
There are 2 available positions and 50 candidates, one half of whom are democrats and another half are republicans. If it was decided that the positions would be filled at random, then what is the probability E that the both positions will be taken by members of just one party?
An order was placed for the supply of a carper whose length and breadth were in the ratio of 3 : 2. Subsequently, the dimensions of the carpet were altered such that its length and breadth were in the ratio 7 : 3 but were was no change in its parameter. Find the ratio of the areas of the carpets in both the cases.
A man arranges to pay off a debt of Rs 3600 by 40 annual installments which are in A.P. When 30 of the installments are paid he dies leaving one-third of the debt unpaid. The value of the 8th installment is:
Use distributive property to solve the problem below: Maria bought 12 notebooks and 6 pens costing 2 dollars each.How much did Maria pay?
The average age of a husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is?
Together, 15 type A machines and 7 type B machines can complete a certain job in 4 hours. Together 8 type B machines and 15 type C machines can complete the same job in 11 hours. How many hours R would it take one type A machine, one type B machine, and one type C machine working together to complete the job (assuming constant rates for each machine)?
A can do a piece of work in 8 hours; B and C together can do it in 12 hours, while A and C together can do it in 16 hours. How long will B alone take to do it?
An electric pump can fill a tank in 7 hours. Because of a leak in the tank, it took 14hours to fill the tank. If the tank is full, how much time will the leak take to empty it?
In the storage room of a certain bakery, the ratio of sugar to flour is 5 to 5, and the ratio of flour to baking soda is 10 to 1. If there were 60 more pounds of baking soda in the room, the ratio of flour to baking soda would be 8 to 1. How many pounds of sugar are stored in the room?
After a storm deposits 115 billion gallons of water into the city reservoir, the reservoir is 80% full. If the original contents of the reservoir totaled 245 billion gallons, the reservoir was approximately what percentage full before the storm?
A certain company reported that the revenue on sales increased 20 % from 2000 to 2003, and increased 40 % from 2000 to 2005. What was the approximate percent increase in revenue for this store from 2003 to 2005?
Look at this series: V, __, XI, XIV, XVII, XX, ... What number should fill the blank?
A box contains 100 balls, numbered from 1 to 100. If three balls are selected at random and with replacement from the box, what is the probability K that the sum of the three numbers on the balls selected from the box will be odd?
Simple interest at x% for x years will come out to be Rs x on a sum of Rs?
The average of any 5 consecutive odd natural numbers is k . If two more such numbers , just next to the previous 5 numbers are added , the new average becomes
Brenda and Sally run in opposite direction on a circular track, starting at diametrically opposite points. They first meet after Brenda has run 300 meters. They next meet after Sally has run 150 meters past their first meeting point. Each girl runs at a constant speed. What is the length of the track in meters?
What is the remainder when 43717^(43628233) is divided by 5?
If 1/4 of the time from midnight plus 1/2 of the time from now to midnight is the present time,then what is the present time ?
The profit earned by selling an article for $832 is equal to the loss incurred when the same article is sold for $448. What should be the sale price for making 50% profit?
A small, experimental plane has three engines, one of which is redundant. That is, as long as two of the engines are working, the plane will stay in the air. Over the course of a typical flight, there is a 1/3 chance that engine one will fail. There is a 79% probability that engine two will work. The third engine works only half the time. What is the probability that the plane will crash in any given flight?
A man has Rs. 312 in the denominations of one-rupee notes, five-rupee notes and twenty-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has ?
If n is a natural number, then (6n^2 + 6n) is always divisible by:
When 1/10 percent of 6,000 is subtracted from 1/10 of 6,000, the difference is
What is the least number which when divided by 5, 9, 12 and 18 leaves remainder 4 in each care?
There are 11 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?
How many ways are there to split a group of 6 boys into two groups of 3 boys each? (The order of the groups does not matter)
Find the compound interest accrued on an amount of Rs.14,800 at 13.5% p.a at the end of two years. (Round off your answer to nearest integer)
Out of first 28 natural numbers, one number is selected at random. The probability that it is either an even number or a prime number is -.
Mahesh can do a piece of work in 50days. He works at it for 20days and then Rajesh finished it in 30days. How long will Y take to complete the work?
The average salary of the employees in a office is Rs.120/month.The avg salary of officers is Rs.460 and of non officers is Rs 110. If the no.of officers is 15,then find the No of nonofficers in the office.
On a 26 question test, 5 points were deducted for each wrong answer and 8 points were added for right answers. If all the questions were answered how many were correct if the score was zero.
The distance between A&B is 600km. A person is traveling from A to B at 70km/hr started at 10AM and another person is traveling from B to A at 80km/hr and started at same time. Then at what time they meet together.
there are 6561balls are there out of them 1 is heavy,find the minimum no of times the balls have to b weighted for finding out the heavy ball?
Crazy Eddie has a key chain factory. Eddie managed to decrease the cost of manufacturing his key chains while keeping the same selling price, and thus increased the profit from the sale of each key chain from 25% of the selling price to 50% of the selling price. If the manufacturing cost is now $50, what was it before the decrease?
Three partners A,B and C invest Rs.18000, Rs.22500 and Rs.27000 respectively in a business. If total profit is Rs.12000 then C's share is (in Rs.)
Your friend collecting balls. Suppose he start out with 59 balls . You gave him another 20 balls. How many balls do your friend have at the end?
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 100 metres?
In a mixture of milk and water, the proportion of milk by weight was 80%. If, in a 180 gm mixture, 36 gms of pure milk is added, what would be the percentage of milk in the mixture formed?
f two positive numbers are in the ratio 1/8 : 1/5, then by what percent is the second number more than the first?
Jerome anticipated that the WebWeb.com stock price would fall and sold all his WebWeb.com stocks for $5 per stock. He paid $10,000 tax on the revenue. A week later, Jerome became convinced that the WebWeb.com stock price would rise, and he used the money that he had gotten from selling the WebWeb.com stocks to purchase them again, this time at $6 per stock. If Jerome ended up having 2000 WebWeb.com stocks fewer than the number he had before selling them, how many WebWeb.com stocks did he have originally?
Cal wants to invest Rs. 50000 at the local bank that offers a rate of 12% per annum per year. If the interest is compounded monthly, how much will Cal get at the end of 3 years?
Calculate the circumference of a circular field whose radius is 4 centimeters.
210 school students were asked in a survey if they preferred Windows or Mac brand computers. 60 Students claimed that they preferred Mac to Windows brand computers. One third as many of the students who preferred Mac to Windows, equally preferred both brands. 90 of the students had no preference. How many of the students in the survey preferred Windows to Mac brand computers?
A rectangular lawn 55m by 35m has two roads each 4m wide running in the middle of it. One parallel to the length and the other parallel to breadth. The cost of graveling the roads at 75 paise per sq meter is
A jogger running at 9 km/hr along side a railway track is 240 m ahead of the engine of a 120 m long train running at 45 km/hr in the same direction. In how much time will the train pass the jogger?
Two persons start at the same point, walk in opposite directions with 5 km/hr and 5.5 km/hr respectively. What is the distance separated after 2 and half hrs?
8 couples (husband and wife) attend a dance show "Nach Baliye' in a popular TV channel ; A lucky draw in which 4 persons picked up for a prize is held, then the probability that there is atleast one couple will be selected is ?
38, 52, 22,79, 31,47, 13, 82 Which of the following numbers is greater than three-fourth of the numbers but less than one-fourth of the numbers in the list above?
The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is:
A bat is bought for Rs.400 and sold at a gain of 40% find its selling price
The angles of a triangle are in the ratio 4:3:8. Find the measurement of the largest of three angles of triangle.
In a camp, there is a meal for 120 men or 200 children. If 150 children have taken the meal, how many men will be catered to with remaining meal?
If m, p, and t are distinct positive prime numbers, then (m^3)(p)(t) has how many different positive factors greater than 1?
In a certain neighborhood, there are half as many beige houses as white houses, and 3 times as many white houses as brown houses. What is the ratio of the number of brown houses to the number of beige houses?
S = { 1,2,4,5,6} T = { 4,5,6,8,12,10,7,14 } what is the probability that x chosen from S and y chosen from T will result x*y = odd
David purchased a Motor Bike and a mobile phone for Rs. 40000 and Rs. 8000 respectively. He sold the refrigerator at a loss of 10 percent and the mobile phone at a profit of 10 percent. Overall he make a.
On the number line, the number p is twice as many units from -2 as -2 is from 2. If p is less than –2, what is the value of p ?
Bob invested $2000 in fund A and $2000 in fund B. Over the next two years, the money in Fund A earned an annual interest of 30 percent for the two years and the money in fund B earned 30 percent annual interest compounded annually. Two years after bob made these investments. Bob's investment in fund B was worth how much more than his investment in fund A?
A, B and C have Rs.450 between them, A and C together have Rs.200 and B and C Rs.350. How much does C have?
A can do a work in 14 days and working together A and B can do the same work in 10 days. In what time can B alone do the work?
M is the sum of the reciprocals of the consecutive integers from 101 to 200, inclusive. Which of the following is true?
At what rate percent on simple interest will Rs.750 amount to Rs.900 in 5 years?
The average (arithmetic mean) of four numbers is 7x + 5. If one of the numbers is x, what is the average of the other three numbers?
A train running at the speed of 90 km/hr crosses a pole in 15 seconds. What is the length of the train?
Of 60 children, 30 are happy, 10 are sad, and 20 are neither happy nor sad. There are 16 boys and 44 girls. If there are 6 happy boys and 4 sad girls, how many boys are neither happy nor sad?
If a, b, and c are consecutive even positive integers, which of the following could be equal to a + b + c ?
James invested a certain sum of money in a simple interest bond whose value grew to $700 at the end of 3 years and to $ 800 at the end of another 2 years. What was the rate of interest in which he invested his sum?

What is the diffference between the place value and face value of 7 in the numeral 9751?

A rectangular-shaped carpet that measures x feet by y feet is priced at $40. What is the cost of the carpet, in dollars per square yard? (1 square yard = 9 square feet)

A sum of money is to be distributed among A, B, C, D in the proportion of 5:2:4:3. If C gets Rs. 1000 more than D, what is B's share?

A woman swims downstream 45 km and upstream 15 km taking 3 hours each time, what is the speed of the woman in still water?

If 2 cards are selected at random from the deck of 52 cards then What is the probability of one of the selected cards will be King and other will be Jack? A deck of cards has a total of 52 cards, consisting of 4 suits; (spades(Black), hearts(Red), diamond(Red)s, and clubs(Black)); and 13 cards including 1 king, 1 queen and 1 jack in each suit

1,3,5,7,9,..50 find term of sequnce for this.

Compute the probability that two random integers, independently chosen and both taking on an integer value between 1 and 10 with equal probability, have a prime product.

Audrey 4 hours to complete a certain job. Ferris can do the same job in 3hours. Audrey and Ferris decided to collaborate on the job, working at their respective rates. While Audrey worked continuously, Ferris took 1 breaks of equal length. If the two completed the job together in 2 hours, how many minutes long was each of Ferris’ breaks ?

If r is even and t is odd, which of the following is odd?

If x and y are prime numbers such that x > y > 3, then x^2 − y^2 must be divisible by which one of the following numbers?

If M = N/O, -1 < O < 0 and 4 < N, which of the following is correct?

there are 4 consonants 3 vowels how many 6 letter strings can u form with atleast one vowels in each?

The radius of a cylindrical water tank is reduced by 50%. However, the speed by which water is filled into the tank is also decreased by 50%. How much more or less time B will it take to fill the tank now?

A cat chases a rat 6 hours after the rat runs. cat takes 4 hours to reach the rat. If the average speed of the cat is 90 kmph, what s the average speed of the rat?

How many seconds will a 500 m long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 63 km/hr?

In a stack of cards, 11 cards are blue and the rest are red. If 2 cards are to be chosen at random from the stack without replacement, the probability that the cards chosen will both be blue is 5/6 . What is the number of cards in the stack?

A woman has three blouses of different colors, three skirts of different colors, and thee different pairs of shoes. She refuses to wear her pink blouse with her green skirt. How many different blouseskirt-shoe combinations could she wear?

If the sum of five consecutive positive integers is A, then the sum of the next three consecutive integers in terms of A is:

Find value of x: 121 × 54 = x

What is the smallest no. that should be added to 45454 to make it exactly divisible by 9?

The true discount on a bill of Rs. 2360 is Rs. 360. What is the banker's discount?

How many cubes of 25 cm edge can be put in a cubical box of 1 m edge.

A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?

If the cost price of 17 articles is equal to the selling price of 16 articles, What is the percentage of profit or loss that the merchant makes?

If a man can cover 12 metres in one second, how many kilometres can he cover in 3 hours 45 minutes?

A man buys Rs. 20 shares paying 9% dividend. The man wants to have an interest of 12% on his money. The market value of each share is:

The area of a parallelogram is 128sq m and its altitude is twice the corresponding base. Then the length of the base is?

Complete the sequence: B E J Q ?

In the coordinate plane, points (x, 1) and (10, y) are on line k. If line k passes through the origin and has slope 1/3, then x + y =

7.51 8.22 7.86 8.36 8.09 7.83 8.30 8.01 7.73 8.25 7.96 8.53 A vending machine is designed to dispense 8 ounces of coffee into a cup. After a test that recorded the number of ounces of coffee in each of 1000 cups dispensed by the vending machine, the 12 listed amounts, in ounces, were selected from the data above. If the 1000 recorded amounts have a mean of 7.2 ounces and a standard deviation of 0.3 ounces, how many of the 12 listed amounts are within 1.5 standard deviation of the mean?

What will be the cost of building a fence around a square plot with area equal to 289 sq ft, if the price per foot of building the fence is Rs. 58?

If the 5th date of a month is Tuesday, what date will be 3 days after the 3rd Friday in the month?

A and B put in Rs.300 and Rs.400 respectively into a business. A reinvests into the business his share of the first year's profit of Rs.210 where as B does not. In what ratio should they divide the second year's profit?

There are 2 available positions and 50 candidates, one half of whom are democrats and another half are republicans. If it was decided that the positions would be filled at random, then what is the probability E that the both positions will be taken by members of just one party?

An order was placed for the supply of a carper whose length and breadth were in the ratio of 3 : 2. Subsequently, the dimensions of the carpet were altered such that its length and breadth were in the ratio 7 : 3 but were was no change in its parameter. Find the ratio of the areas of the carpets in both the cases.

A man arranges to pay off a debt of Rs 3600 by 40 annual installments which are in A.P. When 30 of the installments are paid he dies leaving one-third of the debt unpaid. The value of the 8th installment is:

Use distributive property to solve the problem below: Maria bought 12 notebooks and 6 pens costing 2 dollars each.How much did Maria pay?

The average age of a husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is?

Together, 15 type A machines and 7 type B machines can complete a certain job in 4 hours. Together 8 type B machines and 15 type C machines can complete the same job in 11 hours. How many hours R would it take one type A machine, one type B machine, and one type C machine working together to complete the job (assuming constant rates for each machine)?

A can do a piece of work in 8 hours; B and C together can do it in 12 hours, while A and C together can do it in 16 hours. How long will B alone take to do it?

An electric pump can fill a tank in 7 hours. Because of a leak in the tank, it took 14hours to fill the tank. If the tank is full, how much time will the leak take to empty it?

In the storage room of a certain bakery, the ratio of sugar to flour is 5 to 5, and the ratio of flour to baking soda is 10 to 1. If there were 60 more pounds of baking soda in the room, the ratio of flour to baking soda would be 8 to 1. How many pounds of sugar are stored in the room?

After a storm deposits 115 billion gallons of water into the city reservoir, the reservoir is 80% full. If the original contents of the reservoir totaled 245 billion gallons, the reservoir was approximately what percentage full before the storm?

A certain company reported that the revenue on sales increased 20 % from 2000 to 2003, and increased 40 % from 2000 to 2005. What was the approximate percent increase in revenue for this store from 2003 to 2005?

Look at this series: V, __, XI, XIV, XVII, XX, ... What number should fill the blank?

A box contains 100 balls, numbered from 1 to 100. If three balls are selected at random and with replacement from the box, what is the probability K that the sum of the three numbers on the balls selected from the box will be odd?

Simple interest at x% for x years will come out to be Rs x on a sum of Rs?

The average of any 5 consecutive odd natural numbers is k . If two more such numbers , just next to the previous 5 numbers are added , the new average becomes

Brenda and Sally run in opposite direction on a circular track, starting at diametrically opposite points. They first meet after Brenda has run 300 meters. They next meet after Sally has run 150 meters past their first meeting point. Each girl runs at a constant speed. What is the length of the track in meters?

What is the remainder when 43717^(43628233) is divided by 5?

If 1/4 of the time from midnight plus 1/2 of the time from now to midnight is the present time,then what is the present time ?

The profit earned by selling an article for $832 is equal to the loss incurred when the same article is sold for $448. What should be the sale price for making 50% profit?

A small, experimental plane has three engines, one of which is redundant. That is, as long as two of the engines are working, the plane will stay in the air. Over the course of a typical flight, there is a 1/3 chance that engine one will fail. There is a 79% probability that engine two will work. The third engine works only half the time. What is the probability that the plane will crash in any given flight?

A man has Rs. 312 in the denominations of one-rupee notes, five-rupee notes and twenty-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has ?

If n is a natural number, then (6n^2 + 6n) is always divisible by:

When 1/10 percent of 6,000 is subtracted from 1/10 of 6,000, the difference is

What is the least number which when divided by 5, 9, 12 and 18 leaves remainder 4 in each care?

There are 11 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?

How many ways are there to split a group of 6 boys into two groups of 3 boys each? (The order of the groups does not matter)

Find the compound interest accrued on an amount of Rs.14,800 at 13.5% p.a at the end of two years. (Round off your answer to nearest integer)

Out of first 28 natural numbers, one number is selected at random. The probability that it is either an even number or a prime number is -.

Mahesh can do a piece of work in 50days. He works at it for 20days and then Rajesh finished it in 30days. How long will Y take to complete the work?

The average salary of the employees in a office is Rs.120/month.The avg salary of officers is Rs.460 and of non officers is Rs 110. If the no.of officers is 15,then find the No of nonofficers in the office.

On a 26 question test, 5 points were deducted for each wrong answer and 8 points were added for right answers. If all the questions were answered how many were correct if the score was zero.

The distance between A&B is 600km. A person is traveling from A to B at 70km/hr started at 10AM and another person is traveling from B to A at 80km/hr and started at same time. Then at what time they meet together.

there are 6561balls are there out of them 1 is heavy,find the minimum no of times the balls have to b weighted for finding out the heavy ball?

Crazy Eddie has a key chain factory. Eddie managed to decrease the cost of manufacturing his key chains while keeping the same selling price, and thus increased the profit from the sale of each key chain from 25% of the selling price to 50% of the selling price. If the manufacturing cost is now $50, what was it before the decrease?

Three partners A,B and C invest Rs.18000, Rs.22500 and Rs.27000 respectively in a business. If total profit is Rs.12000 then C's share is (in Rs.)

Your friend collecting balls. Suppose he start out with 59 balls . You gave him another 20 balls. How many balls do your friend have at the end?

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 100 metres?

In a mixture of milk and water, the proportion of milk by weight was 80%. If, in a 180 gm mixture, 36 gms of pure milk is added, what would be the percentage of milk in the mixture formed?

f two positive numbers are in the ratio 1/8 : 1/5, then by what percent is the second number more than the first?

Jerome anticipated that the WebWeb.com stock price would fall and sold all his WebWeb.com stocks for $5 per stock. He paid $10,000 tax on the revenue. A week later, Jerome became convinced that the WebWeb.com stock price would rise, and he used the money that he had gotten from selling the WebWeb.com stocks to purchase them again, this time at $6 per stock. If Jerome ended up having 2000 WebWeb.com stocks fewer than the number he had before selling them, how many WebWeb.com stocks did he have originally?

Cal wants to invest Rs. 50000 at the local bank that offers a rate of 12% per annum per year. If the interest is compounded monthly, how much will Cal get at the end of 3 years?

Calculate the circumference of a circular field whose radius is 4 centimeters.

210 school students were asked in a survey if they preferred Windows or Mac brand computers. 60 Students claimed that they preferred Mac to Windows brand computers. One third as many of the students who preferred Mac to Windows, equally preferred both brands. 90 of the students had no preference. How many of the students in the survey preferred Windows to Mac brand computers?

A rectangular lawn 55m by 35m has two roads each 4m wide running in the middle of it. One parallel to the length and the other parallel to breadth. The cost of graveling the roads at 75 paise per sq meter is

A jogger running at 9 km/hr along side a railway track is 240 m ahead of the engine of a 120 m long train running at 45 km/hr in the same direction. In how much time will the train pass the jogger?

Two persons start at the same point, walk in opposite directions with 5 km/hr and 5.5 km/hr respectively. What is the distance separated after 2 and half hrs?

8 couples (husband and wife) attend a dance show "Nach Baliye' in a popular TV channel ; A lucky draw in which 4 persons picked up for a prize is held, then the probability that there is atleast one couple will be selected is ?

38, 52, 22,79, 31,47, 13, 82 Which of the following numbers is greater than three-fourth of the numbers but less than one-fourth of the numbers in the list above?

The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is:

A bat is bought for Rs.400 and sold at a gain of 40% find its selling price

The angles of a triangle are in the ratio 4:3:8. Find the measurement of the largest of three angles of triangle.

In a camp, there is a meal for 120 men or 200 children. If 150 children have taken the meal, how many men will be catered to with remaining meal?

If m, p, and t are distinct positive prime numbers, then (m^3)(p)(t) has how many different positive factors greater than 1?

In a certain neighborhood, there are half as many beige houses as white houses, and 3 times as many white houses as brown houses. What is the ratio of the number of brown houses to the number of beige houses?

S = { 1,2,4,5,6} T = { 4,5,6,8,12,10,7,14 } what is the probability that x chosen from S and y chosen from T will result x*y = odd

David purchased a Motor Bike and a mobile phone for Rs. 40000 and Rs. 8000 respectively. He sold the refrigerator at a loss of 10 percent and the mobile phone at a profit of 10 percent. Overall he make a.

On the number line, the number p is twice as many units from -2 as -2 is from 2. If p is less than –2, what is the value of p ?

Bob invested $2000 in fund A and $2000 in fund B. Over the next two years, the money in Fund A earned an annual interest of 30 percent for the two years and the money in fund B earned 30 percent annual interest compounded annually. Two years after bob made these investments. Bob's investment in fund B was worth how much more than his investment in fund A?

A, B and C have Rs.450 between them, A and C together have Rs.200 and B and C Rs.350. How much does C have?

A can do a work in 14 days and working together A and B can do the same work in 10 days. In what time can B alone do the work?

M is the sum of the reciprocals of the consecutive integers from 101 to 200, inclusive. Which of the following is true?

At what rate percent on simple interest will Rs.750 amount to Rs.900 in 5 years?

The average (arithmetic mean) of four numbers is 7x + 5. If one of the numbers is x, what is the average of the other three numbers?

A train running at the speed of 90 km/hr crosses a pole in 15 seconds. What is the length of the train?

Of 60 children, 30 are happy, 10 are sad, and 20 are neither happy nor sad. There are 16 boys and 44 girls. If there are 6 happy boys and 4 sad girls, how many boys are neither happy nor sad?

If a, b, and c are consecutive even positive integers, which of the following could be equal to a + b + c ?

James invested a certain sum of money in a simple interest bond whose value grew to $700 at the end of 3 years and to $ 800 at the end of another 2 years. What was the rate of interest in which he invested his sum?