dfdsfgf/big_math_dataset · Datasets at Hugging Face

question stringlengths 3 1.14k
If the cost price of 50 articles is equal to the selling price of 15 articles, then the gain or loss percent is?
If # is an operation which results in adding the digits of integer until a single digit is left, what is the probability Q that a number picked up in first 90 positive integers will have the result of # as an odd digit ?
Chris mixed 3 pounds of raisins with 4 pounds of nuts. If a pound of nuts costs 4 times as much as a pound of raisins, then the total cost of the raisins was what fraction of the total cost of the mixture?
60% of a number is added to 120, the result is the same number. Find the number?
A rectangular field has area equal to 150 sq m and perimeter 50 m. Its length and breadth must be?
If 60% of 3/5 of a number is 72, then the number is?
Two trains 85 m and 75 m long are running in same direction with speeds of 62 km/hr and 44 km/hr respectively. In what time will the first train cross the second train ?
Stacy has a 63 page history paper due in 3 days. How many pages per day would she have to write to finish on time?
If p, q, and r are three different positive integers whose sum is prime, which of the following statements could be true?
A furniture dealer purchased a desk for $150 and then set the selling price equal to the purchase price plus a markup that was 25% of the selling price. If the dealer sold the desk at the selling price, what was the amount of the dealer's gross profit from the purchase and the sale of the desk?
The average of runs of a cricket player of 10 innings was 15. How many runs must he make in his next innings so as to increase his average of runs by 4?
Insert the missing number. 2, 7, 8, 17, 16, 27, 22, 37
If x=kc and y=kt,then y-2x =?
If the diagonal of a rectangle is 17cm long and its perimeter is 46 cm. Find the area of the rectangle?
A person travelled from his house to office at 15km/hr and office to house at 25km/hr. Then find the average speed?
In how many ways Chief Minister and Minister be elected from a team of 20 members?
Ricky likes to keep a spare tyre in his car every time. On a certain day, he travels 1, 00,000 km and just to make the most of all the tyres, he changes the tyres between his journey such that each tyre runs the same distance. What is the distance travelled by each tyre?
A man in a train notices that he can count 41 telephone posts in one minute. If they are known to be 50 metres apart, then at what speed is the train travelling?
The standard serial numbers for a bill are 2 letters followed by 5 digits. How many bills are possible if letters and digits can be repeated?
In May Mrs Lee's earnings were 60 percent of the Lee family's total income. In June Mrs Lee earned 20 percent more than in May. If the rest of the family's income was the same both months, then, in June, Mrs Lee's earnings were approximately what percent of the Lee family's total income ?
A trader bought a car at 25% discount on its original price. He sold it at a 40% increase on the price he bought it. What percent of profit did he make on the original price?
The sides of a triangle are in the ratio of 1/2:1/3:1/4. If the perimeter is 52 cm, then find the length of the smallest side.
What is the total number of positive integers that are less than 1000 and that have no positive factor in common with 1000 other than 1?
A reduction of 10% in the price of rice enables a lady to obtain 20kgs more for Rs.1000, find the original price per kg?
Set A = {1, 2, 3, 4, 5, 6, q} Which of the following possible values for q would cause Set A to have the smallest standard deviation?
If X = the product of five distinct prime numbers, how many factors does X have besides 1 and itself?
Pipe P can drain the liquid from a tank in 3/4 the time that it takes pipe Q to drain it and in 3/3 the time that it takes pipe R to do it. If all 3 pipes operating simultaneously but independently are used to drain liquid from the tank, then pipe Q drains what portion of the liquid from the tank?
In Sam's hanger there are 23 boxes, 19 out of the boxes are filled with toys and the rest are filled with electrical appliances. 8 boxes are for sale, 5 of them are filled with toys. How many boxes with electrical appliances are in Sam's hanger that is not for sale?
The length of the bridge, which a train 130 meters long and travelling at 45 km/hr can cross in 30 seconds, is:
In a factory, an average of 60 TV's are produced per day for the fist 25days of the months. A few workers fell ill for the next 5days reducing the daily avg for the month to 58 sets/day . The average production per day for day last 5days is ?
What will be the day of the week 15th August, 2010?
Paul's income is 40% less than Rex's income, Quentin's income is 20% less than Paul's income, and Sam's income is 40% less than Paul's income. If Rex gave 60% of his income to Paul and 40% of his income to Quentin, Paul's new income would be what fraction of Quentin's new income?
If n is even, which of the following cannot be odd? I n + 3 II 3n III n^2 - 1
In how many ways can 5 boys and 3 girls be seated on 7 chairs so that no two girls are together?
Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?
A bag contains 12 red marbles. If someone were to remove 2 marbles from the bag, one at a time, and replace the first marble after it was removed, the probability that neither marble would be red is 49/64. How many marbles are in the bag?
What least number must be added to 9599, so that the sum is completely divisible by 100 ?
A can do a piece of work in 8 days. B can do it in 12 days. With the assistance of C they completed the work in 4 days. Find in how many days can C alone do it?
The speed at which a boy can row a boat in still water is 60 kmph. If he rows downstream, where the speed of current is 12 kmph, what time will he take to cover 220 metres?
A shop owner professes to sell his articles at certain cost price but he uses false weights with which he cheats by 50% while buying and by 10% while selling. What is his percentage profit?
A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?
Find the fourth proportional to 4, 9, 12
After taking N tests, each containing 100 questions, John had an average of 70% of correct answers. How much does John need to score on the next test to make his average equal 75%? M13-03.
If X,Y is 15%,30% smaller than Z then how much percentage is Y greater than X?
What is the greatest power that 3 can be raised to so that the resulting number is a factor of 9!?
In the faculty of Reverse-Engineering, 350 second year students study numeric methods, 250 second year students study automatic control of airborne vehicles and 100 second year students study them both. How many students are there in the faculty if the second year students are approximately 25% of the total?
The bus fare for two persons for travelling between Agra and Aligarh id four-thirds the train fare between the same places for one person. The total fare paid by 6 persons travelling by bus and 8 persons travelling by train between the two places is Rs.1512. Find the train fare between the two places for one person?
66% of respondents to a survey consisted of those who used both M and N and those who used neither M nor N. 53% of respondents did not use M. 47% used N. What percent of respondents used only N?
A sum was put at simple interest at a certain rate for 10 years . Had it been put at 5% higher rate , it would have fetched Rs.600 more. What was the Sum?
A can do a piece of work in 21 days and B in 28 days. Together they started the work and B left after 4 days. In how many days can A alone do the remaining work?
If a and b are the two values of t that satisfy the equation t^2 â€“ 7t + 10 = 0, with a > b, what is the value of a â€“ b?
If 6 Men or 7 Women take 6 days to complete some work, how many days will 10 Men and 6 Women working together take to complete the work? Can anyone explain please?
A train passes a station platform in 38 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/hr, what is the length of the platform?
Raman mixed 24 kg of butter at Rs. 150 per kg with 36 kg butter at the rate of Rs. 125 per kg. At what price per kg should he sell the mixture to make a profit of 40% in the transaction?
In how many Q ways can 5 people from a group of 6 people be seated around a circular table
At the end of the month, a certain ocean desalination plant’s reservoir contained 40 million gallons of water. This amount is one fifth of the normal level. If this amount represents 80% of the reservoir’s total capacity, how many million gallons short of total capacity is the normal level?
Find a sum for first 5 prime number'ss?
A motor pool has 300 vehicles of which 30 percent are trucks. 20 percent of all the vehicles in the motor pool are diesel, including 30 trucks. What percent of the motor pool is composed of vehicles that are neither trucks nor diesel?
A man is 29 years older than his son. In two years, his age will be twice the age of his son. The present age of his son is:
A can fill tank in 9 minutes, B can empty the tank in 18 minutes.. In what time the tank be filled, if both pipes work simultaneously?
If (a-3)(b-2) =0, which of the following must be true ? I. a=3 and b=2 II. if a is not = 3, then b=2 III. if a=3, then b is not=2
A man's speed with the current is 20 kmph and speed of the current is 1 kmph. The Man's speed against the current will be
A number is doubled and 9 is added. If resultant is trebled, it becomes 69. What is that number
In a kilometer race, A beats B by 50 meters or 10 seconds. What time does A take to complete the race?
If A and B are two events such that P (A) = 2/4, P (B) = 1/2 and P (A n B) = 3/8, find P (not A and not B).
What is the probability of getting a sum 9 from two throws of a dice?
M is 25% of N. M is also 75% of D. D is 95% of L. How are N and L related?
If 4 women can colour 48 m long cloth in 2 days, then 6 men can colour 36 m long cloth in?
In how many ways can the letters of the word REPORT be arranged?
A can do a piece of work in 12 days. He worked for 15 days and then B completed the remaining work in 10 days. Both of them together will finish it in.
x = y - (5/y), where x and y are both > 0. If the value of y is doubled in the equation above, the value of x will
Which expression is the greatest
A student needs 60% of the marks on a test to pass the test. If the student gets 80 marks and fails the test by 100 marks, find the maximum marks set for the test.
In a flight of 600 km, an aircraft was slowed down due to bad weather. Its average speed for the trip was reduced by 200 km/hr and the time of flight increased by 30 minutes. The duration of the flight is:
A started a business with an investment of Rs. 70000 and after 6 months B joined him investing Rs. 120000. If the profit at the end of a year is Rs. 78000, then the share of B is?
Working together, Jose and Jane can complete an assigned task in 10 days. However, if Jose worked alone and complete half the work and then Jane takes over the task and completes the second half of the task, the task will be completed in 25 days. How long will Jose take to complete the task if he worked alone? Assume that Jane is more efficient than Jose
Sonalika goes 12 km towards North from a fixed point and then she goes 8 km towards South from there. In the end she goes 3 km towards east. How far and in what direction is she from her starting point?
A train speeds past a pole in 15 sec and a platform 150 m long in 25 sec, its length is?
Carol spends 1/4 of her savings on a stereo and 1/5 less than she spent on the stereo for a television. What fraction of her savings did she spend on the stereo and television?
there are 35 student in a school. 20 if them speek hindi 19 of them speak eng 9 of them speak both , then how many student neithe speak eng nor speak hindi
A and B can finish a work in 7 days and 8 days respectively.if both do work one day and leave one day.and A start the work then in how much days work will finish?
If a man travels f miles an hour for t hours and r miles an hour for k hours, what is his average rate in miles per hour for the entire distance traveled?
The jogging track in a sports complex is 561 m in circumference. Deepak and his wife start from the same point and walk in opposite directions at 4.5 km/hr and 3.75 km/hr respectively. They will meet for the first time in?
I. j; k; m; n; p II. j - 10; m; m; m; p + 15 III. j + 2; k + 1; m; n - 1; p - 2 If j, k, m, n, and p are consecutive positive integers such that j < k < m < n < p, the data sets I, II, and III above are ordered from greatest standard deviation to least standard deviation T in which of the following?
If 6!/3^x is an integer, what is the greatest possible value of x?
A certain university will select 1 of 5 candidates eligible to fill a position in the mathematics department and 4 of 7 candidates eligible to fill 2 identical positions in the computer science department. If none of the candidates is eligible for a position in both departments, how many different sets of 3 candidates are there to fill the 3 positions?
A truck owner will refuel his vehicle at a rate of 2 gallons of diesel fuel every 5 seconds. If diesel fuel costs $ 1.25 per gallon, how long will it take for the truck owner to refuel his vehicle with $ 30 worth of diesel fuel?
In how many ways can the letters of the word LITTER be arranged in a row so that the vowels appear in alphabetic order?
what is the remainder when 9614241 is divided by 99
Alfred buys an old scooter for $4700 and spends $800 on its repairs. If he sells the scooter for $6400, his gain percent is?
n a series of numbers , the next number is formed by adding 1 to the sum of the previous numbers, and the 10th number is 1280. Then what is the first number in the series? (series will be like this x , x+1, (x+(x+1))+1,....... )
Josh spends a total of $5.50 buying N items in the convenience store. If each of the items is either a 5 cents single bubblegum, or a 50 cents bubblegum pack, then N may be which of the following?
Alice deposited Rs 2 million in bank at 4 % simple interest per year. After 10 year how many Rs she will get from bank?
By selling 33 metres of cloth , one gains the selling price of 11 metres . Find the gain percent .
There are many numbers that can be expressed as the sum of three squares in three different ways. Can you find out the smallest of such number?
The average temperature for Monday, Tuesday, Wednesday and Thursday was 48 degrees and for Tuesday, Wednesday, Thursday and Friday was 46 degrees. If the temperature on Monday was 42 degrees. Find the temperature on Friday?
Working alone, A can complete a certain kind of job in 10 hours. A and D, working together at their respective rates, can complete one of these jobs in 5 hours. In how many hours can D, working alone, complete one of these jobs?
Susan, Tim,and Kim need to be seated in 3 identical chairs in straight line so that Susan is seated always left to Tim. How many such arrangements are possible ?
Simplify 682 * 9
Two cyclist start from the same places in opposite directions. One is going towards north at 18kmph and the other is going towards south 20kmph. What time will they take to be 76km apart?

If the cost price of 50 articles is equal to the selling price of 15 articles, then the gain or loss percent is?

If # is an operation which results in adding the digits of integer until a single digit is left, what is the probability Q that a number picked up in first 90 positive integers will have the result of # as an odd digit ?

Chris mixed 3 pounds of raisins with 4 pounds of nuts. If a pound of nuts costs 4 times as much as a pound of raisins, then the total cost of the raisins was what fraction of the total cost of the mixture?

60% of a number is added to 120, the result is the same number. Find the number?

A rectangular field has area equal to 150 sq m and perimeter 50 m. Its length and breadth must be?

If 60% of 3/5 of a number is 72, then the number is?

Two trains 85 m and 75 m long are running in same direction with speeds of 62 km/hr and 44 km/hr respectively. In what time will the first train cross the second train ?

Stacy has a 63 page history paper due in 3 days. How many pages per day would she have to write to finish on time?

If p, q, and r are three different positive integers whose sum is prime, which of the following statements could be true?

A furniture dealer purchased a desk for $150 and then set the selling price equal to the purchase price plus a markup that was 25% of the selling price. If the dealer sold the desk at the selling price, what was the amount of the dealer's gross profit from the purchase and the sale of the desk?

The average of runs of a cricket player of 10 innings was 15. How many runs must he make in his next innings so as to increase his average of runs by 4?

Insert the missing number. 2, 7, 8, 17, 16, 27, 22, 37

If x=kc and y=kt,then y-2x =?

If the diagonal of a rectangle is 17cm long and its perimeter is 46 cm. Find the area of the rectangle?

A person travelled from his house to office at 15km/hr and office to house at 25km/hr. Then find the average speed?

In how many ways Chief Minister and Minister be elected from a team of 20 members?

Ricky likes to keep a spare tyre in his car every time. On a certain day, he travels 1, 00,000 km and just to make the most of all the tyres, he changes the tyres between his journey such that each tyre runs the same distance. What is the distance travelled by each tyre?

A man in a train notices that he can count 41 telephone posts in one minute. If they are known to be 50 metres apart, then at what speed is the train travelling?

The standard serial numbers for a bill are 2 letters followed by 5 digits. How many bills are possible if letters and digits can be repeated?

In May Mrs Lee's earnings were 60 percent of the Lee family's total income. In June Mrs Lee earned 20 percent more than in May. If the rest of the family's income was the same both months, then, in June, Mrs Lee's earnings were approximately what percent of the Lee family's total income ?

A trader bought a car at 25% discount on its original price. He sold it at a 40% increase on the price he bought it. What percent of profit did he make on the original price?

The sides of a triangle are in the ratio of 1/2:1/3:1/4. If the perimeter is 52 cm, then find the length of the smallest side.

What is the total number of positive integers that are less than 1000 and that have no positive factor in common with 1000 other than 1?

A reduction of 10% in the price of rice enables a lady to obtain 20kgs more for Rs.1000, find the original price per kg?

Set A = {1, 2, 3, 4, 5, 6, q} Which of the following possible values for q would cause Set A to have the smallest standard deviation?

If X = the product of five distinct prime numbers, how many factors does X have besides 1 and itself?

Pipe P can drain the liquid from a tank in 3/4 the time that it takes pipe Q to drain it and in 3/3 the time that it takes pipe R to do it. If all 3 pipes operating simultaneously but independently are used to drain liquid from the tank, then pipe Q drains what portion of the liquid from the tank?

In Sam's hanger there are 23 boxes, 19 out of the boxes are filled with toys and the rest are filled with electrical appliances. 8 boxes are for sale, 5 of them are filled with toys. How many boxes with electrical appliances are in Sam's hanger that is not for sale?

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

In a factory, an average of 60 TV's are produced per day for the fist 25days of the months. A few workers fell ill for the next 5days reducing the daily avg for the month to 58 sets/day . The average production per day for day last 5days is ?

What will be the day of the week 15th August, 2010?

Paul's income is 40% less than Rex's income, Quentin's income is 20% less than Paul's income, and Sam's income is 40% less than Paul's income. If Rex gave 60% of his income to Paul and 40% of his income to Quentin, Paul's new income would be what fraction of Quentin's new income?

If n is even, which of the following cannot be odd? I n + 3 II 3n III n^2 - 1

In how many ways can 5 boys and 3 girls be seated on 7 chairs so that no two girls are together?

Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?

A bag contains 12 red marbles. If someone were to remove 2 marbles from the bag, one at a time, and replace the first marble after it was removed, the probability that neither marble would be red is 49/64. How many marbles are in the bag?

What least number must be added to 9599, so that the sum is completely divisible by 100 ?

A can do a piece of work in 8 days. B can do it in 12 days. With the assistance of C they completed the work in 4 days. Find in how many days can C alone do it?

The speed at which a boy can row a boat in still water is 60 kmph. If he rows downstream, where the speed of current is 12 kmph, what time will he take to cover 220 metres?

A shop owner professes to sell his articles at certain cost price but he uses false weights with which he cheats by 50% while buying and by 10% while selling. What is his percentage profit?

A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?

Find the fourth proportional to 4, 9, 12

After taking N tests, each containing 100 questions, John had an average of 70% of correct answers. How much does John need to score on the next test to make his average equal 75%? M13-03.

If X,Y is 15%,30% smaller than Z then how much percentage is Y greater than X?

What is the greatest power that 3 can be raised to so that the resulting number is a factor of 9!?

In the faculty of Reverse-Engineering, 350 second year students study numeric methods, 250 second year students study automatic control of airborne vehicles and 100 second year students study them both. How many students are there in the faculty if the second year students are approximately 25% of the total?

The bus fare for two persons for travelling between Agra and Aligarh id four-thirds the train fare between the same places for one person. The total fare paid by 6 persons travelling by bus and 8 persons travelling by train between the two places is Rs.1512. Find the train fare between the two places for one person?

66% of respondents to a survey consisted of those who used both M and N and those who used neither M nor N. 53% of respondents did not use M. 47% used N. What percent of respondents used only N?

A sum was put at simple interest at a certain rate for 10 years . Had it been put at 5% higher rate , it would have fetched Rs.600 more. What was the Sum?

A can do a piece of work in 21 days and B in 28 days. Together they started the work and B left after 4 days. In how many days can A alone do the remaining work?

If a and b are the two values of t that satisfy the equation t^2 â€“ 7t + 10 = 0, with a > b, what is the value of a â€“ b?

If 6 Men or 7 Women take 6 days to complete some work, how many days will 10 Men and 6 Women working together take to complete the work? Can anyone explain please?

A train passes a station platform in 38 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/hr, what is the length of the platform?

Raman mixed 24 kg of butter at Rs. 150 per kg with 36 kg butter at the rate of Rs. 125 per kg. At what price per kg should he sell the mixture to make a profit of 40% in the transaction?

In how many Q ways can 5 people from a group of 6 people be seated around a circular table

At the end of the month, a certain ocean desalination plant’s reservoir contained 40 million gallons of water. This amount is one fifth of the normal level. If this amount represents 80% of the reservoir’s total capacity, how many million gallons short of total capacity is the normal level?

Find a sum for first 5 prime number'ss?

A motor pool has 300 vehicles of which 30 percent are trucks. 20 percent of all the vehicles in the motor pool are diesel, including 30 trucks. What percent of the motor pool is composed of vehicles that are neither trucks nor diesel?

A man is 29 years older than his son. In two years, his age will be twice the age of his son. The present age of his son is:

A can fill tank in 9 minutes, B can empty the tank in 18 minutes.. In what time the tank be filled, if both pipes work simultaneously?

If (a-3)(b-2) =0, which of the following must be true ? I. a=3 and b=2 II. if a is not = 3, then b=2 III. if a=3, then b is not=2

A man's speed with the current is 20 kmph and speed of the current is 1 kmph. The Man's speed against the current will be

A number is doubled and 9 is added. If resultant is trebled, it becomes 69. What is that number

In a kilometer race, A beats B by 50 meters or 10 seconds. What time does A take to complete the race?

If A and B are two events such that P (A) = 2/4, P (B) = 1/2 and P (A n B) = 3/8, find P (not A and not B).

What is the probability of getting a sum 9 from two throws of a dice?

M is 25% of N. M is also 75% of D. D is 95% of L. How are N and L related?

If 4 women can colour 48 m long cloth in 2 days, then 6 men can colour 36 m long cloth in?

In how many ways can the letters of the word REPORT be arranged?

A can do a piece of work in 12 days. He worked for 15 days and then B completed the remaining work in 10 days. Both of them together will finish it in.

x = y - (5/y), where x and y are both > 0. If the value of y is doubled in the equation above, the value of x will

Which expression is the greatest

A student needs 60% of the marks on a test to pass the test. If the student gets 80 marks and fails the test by 100 marks, find the maximum marks set for the test.

In a flight of 600 km, an aircraft was slowed down due to bad weather. Its average speed for the trip was reduced by 200 km/hr and the time of flight increased by 30 minutes. The duration of the flight is:

A started a business with an investment of Rs. 70000 and after 6 months B joined him investing Rs. 120000. If the profit at the end of a year is Rs. 78000, then the share of B is?

Working together, Jose and Jane can complete an assigned task in 10 days. However, if Jose worked alone and complete half the work and then Jane takes over the task and completes the second half of the task, the task will be completed in 25 days. How long will Jose take to complete the task if he worked alone? Assume that Jane is more efficient than Jose

Sonalika goes 12 km towards North from a fixed point and then she goes 8 km towards South from there. In the end she goes 3 km towards east. How far and in what direction is she from her starting point?

A train speeds past a pole in 15 sec and a platform 150 m long in 25 sec, its length is?

Carol spends 1/4 of her savings on a stereo and 1/5 less than she spent on the stereo for a television. What fraction of her savings did she spend on the stereo and television?

there are 35 student in a school. 20 if them speek hindi 19 of them speak eng 9 of them speak both , then how many student neithe speak eng nor speak hindi

A and B can finish a work in 7 days and 8 days respectively.if both do work one day and leave one day.and A start the work then in how much days work will finish?

If a man travels f miles an hour for t hours and r miles an hour for k hours, what is his average rate in miles per hour for the entire distance traveled?

The jogging track in a sports complex is 561 m in circumference. Deepak and his wife start from the same point and walk in opposite directions at 4.5 km/hr and 3.75 km/hr respectively. They will meet for the first time in?

I. j; k; m; n; p II. j - 10; m; m; m; p + 15 III. j + 2; k + 1; m; n - 1; p - 2 If j, k, m, n, and p are consecutive positive integers such that j < k < m < n < p, the data sets I, II, and III above are ordered from greatest standard deviation to least standard deviation T in which of the following?

If 6!/3^x is an integer, what is the greatest possible value of x?

A certain university will select 1 of 5 candidates eligible to fill a position in the mathematics department and 4 of 7 candidates eligible to fill 2 identical positions in the computer science department. If none of the candidates is eligible for a position in both departments, how many different sets of 3 candidates are there to fill the 3 positions?

A truck owner will refuel his vehicle at a rate of 2 gallons of diesel fuel every 5 seconds. If diesel fuel costs $ 1.25 per gallon, how long will it take for the truck owner to refuel his vehicle with $ 30 worth of diesel fuel?

In how many ways can the letters of the word LITTER be arranged in a row so that the vowels appear in alphabetic order?

what is the remainder when 9614241 is divided by 99

Alfred buys an old scooter for $4700 and spends $800 on its repairs. If he sells the scooter for $6400, his gain percent is?

n a series of numbers , the next number is formed by adding 1 to the sum of the previous numbers, and the 10th number is 1280. Then what is the first number in the series? (series will be like this x , x+1, (x+(x+1))+1,....... )

Josh spends a total of $5.50 buying N items in the convenience store. If each of the items is either a 5 cents single bubblegum, or a 50 cents bubblegum pack, then N may be which of the following?

Alice deposited Rs 2 million in bank at 4 % simple interest per year. After 10 year how many Rs she will get from bank?

By selling 33 metres of cloth , one gains the selling price of 11 metres . Find the gain percent .

There are many numbers that can be expressed as the sum of three squares in three different ways. Can you find out the smallest of such number?

The average temperature for Monday, Tuesday, Wednesday and Thursday was 48 degrees and for Tuesday, Wednesday, Thursday and Friday was 46 degrees. If the temperature on Monday was 42 degrees. Find the temperature on Friday?

Working alone, A can complete a certain kind of job in 10 hours. A and D, working together at their respective rates, can complete one of these jobs in 5 hours. In how many hours can D, working alone, complete one of these jobs?

Susan, Tim,and Kim need to be seated in 3 identical chairs in straight line so that Susan is seated always left to Tim. How many such arrangements are possible ?

Simplify 682 * 9

Two cyclist start from the same places in opposite directions. One is going towards north at 18kmph and the other is going towards south 20kmph. What time will they take to be 76km apart?