dfdsfgf/big_math_dataset · Datasets at Hugging Face

question stringlengths 3 1.14k
After MM students took a test, there was a total of 64% of correct answers. If the test contains 50 questions, what is the least number of questions that the next student have to get right to bring the total of correct answers to 70% ?
A and B together invested Rs. 20,000 in a business. At the end of the year, out of total profit is Rs. 5,000 B's share was Rs. 2000. A's investment was
The length of a rectangular plot is thrice its breadth. If the area of the rectangular plot is 867 sq m, then what is the breadth of the rectangular plot?
Nine highschool teachers gather at allocacting the subject, Three subject of 3 people each will be created. How many ways are there to create these 3 teams?
There are two circles of different radii. The are of a square is 784 sq cm and its side is twice the radius of the larger circle. The radius of the larger circle is seven - third that of the smaller circle. Find the circumference of the smaller circle?
A company has 60 employees, of which 22 studied accounting, 15 studied finance and 14 studied marketing. Nine employees have done just two courses and only one made the three courses. How many employees have no training?
The banker's discount on a bill due 4 months hence at 15% is Rs. 420. The true discount is:
If a, b, and c are consecutive positive integers and a > b > c, which of the following must be true? I. c - a = 2 II. abc is an even integer. III. (a + b + c)/3 is an integer.
The units digit of (35)^(87) + (93)^(47) is:
Can you replace the question mark with the number to complete the series, provided the pair of numbers exhibits a similar relationship? ? : 4623 :: 9 : 647
How many words can be formed from the letters of the word ‘DIRECTOR’ So that the vowels are always together?
Becky sets up a hot dog stand in her busy neighborhood and purchases x pounds of hot dogs for t dollars per pound. If she has to throw away s pounds of hot dogs due to spoilage and she sells the rest of the hot dogs for d dollars per pound, which of the following represents the net profit on the sale of the hot dogs?
For every order, a certain mail-order company charges a shipping fee of $3 plus an additional $2 if the value of the order is over $50 but not over $100 or an additional $3 if the value of the order is over $100. How much greater are the total shipping fees for 2 orders of $75 each than the total shipping fee for 1 order of $300 ?
Which is the middle even number between 9 and 23?
A train is 360 meter long is running at a speed of 45 km/hour. In what time will it pass a bridge of 140 meter length?
Ramesh can finish a work in 20 days and Sushil in 25 days. They both work together for 5 days and then Sushil goes away. In how many days will Ramesh complete the remaining work?
If 32455 × 3145208 × K^3 is divisible by 3, which of the following could be the value of K?
A car owner buys petrol at Rs.7.50, Rs. 8 and Rs. 8.50 per litre for three successive years. What approximately is the average cost per liter of petrol if he spends Rs. 4000 each year?
The events A and B are independent. The probability that event A occurs is p and the probability that event B occurs is q. Which of the following is equal to the probability that exactly one of the events A and B occurs?
Find the ones digit of 73^353
The markup on a box of apples is 10 percent of the cost. The markup is what percent of the selling price? (markup = selling price - cost)
The speed of a car is 90 km in the first hour and 60 km in the second hour. What is the average speed of the car?
A batsman in his 17th innings makes a score of 85 and their by increasing his average by 3. What is his average after the 17thinnings?
The maximum number of students among them 1001 pens and 910 pencils can be distributed in such a way that each student gets the same number of pens and same number of pencils is:
N, a set of natural numbers is partitioned into subsets S1 = {1}, S2 = {2,3}, S3 = {4,5,6}, S4 = {7,8,9,10} and so on. The sum of the elements of the subset S50 is
A boy was asked to find 7/9 of a y. But he divided the y by 7/9, Thus he got 32 morethan theanswer. Find the y.
X, Y, and Z are consecutive numbers and X > Y > Z. Also, X + 3Y + 3Z = 5Y + 8. What is the value of Z?
8, 24, 12, 36, 18, 54, (....)
The H.C.F. of two numbers is 23 and the other two factors of their L.C.M. are 9 and 10. The larger of the two numbers is:
What is the area of a square field whose diagonal of length 20 m?
In how many ways can the letters {U, R, U, R, R} be arranged?
The average marks in mathematics scored by the pupils of a school at the public examination were 39. If four of these pupils who actually scored 5, 12, 15 and 19 marks at the examination had not been sent up, the average marks for the school would have been 44. Find the number of pupils sent up for examination from the school?
If the arithmetic mean of p and q is 10 and the arithmetic mean of q and r is 27, what is the value of r-p?
A sum fetched a total simple interest of Rs. 4016.25 at the rate of 9 p.c.p.a. in 5 years. What is the sum?
On the coordinate plane , points P and T are defined by the coordinates (-1,0) and (3,3), respectively, and are connected to form a chord of a circle which also lies on the plane. If the area of the circle is (25/4) π , what are the coordinates of the center of the circle ?
A and B start walking towards each other at 4pm at speed of 2kmph and 3kmph. They were initially 15km apart. At what time do they meet?
How many seconds will a 450 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?
If a man travels f miles an hour for m hours and r miles an hour for s hours, what is his average rate in miles per hour for the entire distance traveled?
The average salary of 15 people in the shipping department at a certain firm is $20,000. The salary of 5 of the employees is $25,000 each and the salary of 4 of the employees is $20,000 each. What is the average salary of the remaining employees?
Let us say that a table tennis tournament was going on with knock out terms which means the one who loses the match is out of the tournament. 110 players took part in that tournament. How many matches were played?
Rani is two years older than Banu who is twice as old as Chitra. If the total of the age of Rani, Banu and Chitra be 32 years, then how old is Banu ?
The area of a parallelogram is 72sq m and its altitude is twice the corresponding base. Then the length of the base is?
The unit digit in the product (891 * 781 * 912 * 463) is:
If x is 20 percent greater than 12, then x =
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 seconds. The speed of the train is?
There are some people in party, 1/3rd left the party . Then 2/5th of the remaining left the party , then 2/3rd of the remaining left the party . At last 6 were remaining . How many people were in total ?
What is the are of an equilateral triangle of side 14 cm?
In a question on division with zero remainder, a candidate took 12 as divisor instead of 21. The quotient obtained by him was 35. The correct quotient is?
Ravi and sunil are partners in a business. Ravi invests Rs.10,000 for 8 months and Sunil invested Rs.12000 for 10 months then after one year ratio of their profits will be
Excluding stoppages, the speed of a bus is 70 km/hr and including stoppages, it is 40 km/hr. For how many minutes does the bus stop per hour?
The speed of a train is 120 kmph. What is the distance covered by it in 10 minutes?
Sreenivas sells a table to Shiva at 10% profit and Shiva sells it to Mahesh at 10% loss. At what price did Sreenivas purchase the table if Mahesh paid Rs. 2178?
After allowing a discount of 15% on the marked price, the selling price is $6800 for an article. If it was sold at marked price, there would have been a profit of 60%. The cost price of the article is?
If the cost price of 20 articles is equal to the selling price of 25 articles, what is the % profit or loss made by the merchant?
I. x2 + 9x + 20 = 0, II. y2 + 5y + 6 = 0 to solve both the equations to find the values of x and y?
At a certain conference, 72% of the attendees registered at least two weeks in advance and paid their conference fee in full. If 10% of the attendees who paid their conference fee in full did not register at least two weeks in advance, what percent of conference attendees registered at least two weeks in advance?
The effective annual rate of interest corresponding to a nominal rate of 6% per annum payable half-yearly is?
The weights of three boys are in the ratio 4 : 5 : 6. If the sum of the weights of the heaviest and the lightest boy is 44 kg more than the weight of the third boy, what is the weight of the lightest boy?
Find the odd man out 4, 8, 12, 16, 20, 24, 27, 32
You have three pills with you which you are required to take one after every thirty minutes. How long can the pills run for you?
How many 4-digit positive integers are multiple of each integer from 1 to 10
John bought 2 shares and sold them for $84 each. If he had a profit of 20% on the sale of one of the shares but a loss of 20% on the sale of the other share, then on the sale of both shares John had
A shopkeeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of the cost price and the printed price of the book is:
A certain set of numbers has an average (arithmetic mean) of 50 and a standard deviation of 50.5. If b and n, two numbers in the set, are both within 2 standard deviations from the average, then which of the following could be the sum of b and n?
The batting average for 40 innings of a cricket palyer is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded, the average of the remaining 38 innings is 48 runs. The highest score of the player is
If the cost price is 40% of selling price. Then what is the profit percent.
Debanshu normally drives to work in 45 minutes at an average speed of 40 miles per hour. This week, however, she plans to bike to work along a route that decreases the total distance she usually travels when driving by 20% . If Debanshu averages between 12 and 16 miles per hour when biking, how many minutes earlier will she need to leave in the morning in order to ensure she arrives at work at the same time as when she drives?
A river boat leaves Silver Town and travels upstream to Gold Town at an average speed of 6 kilometers per hour. It returns by the same route at an average speed of 8 kilometers per hour. What is the average speed for the round-trip in kilometers per hour?
If x^2 - y^2 = 2xy, then (x+y)^2 =
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?
Two circles, one with radius 10 inches and the other with radius 4 inches, are tangent at point Q. Two insects start crawling at the same time from point Q: one along the larger circle at 3π inches per minute, the other along the smaller circle at 2.5π inches per minute. How much time has elapsed when the two insects meet again at point Q?
Dacid obtained 81, 65, 82, 67 and 85 marks (out of 100) in English, Mathematics, Physics, Chemistry and Biology. What are his average marks?
The smallest number which when diminished by 6, is divisible 12, 14, 16, 18 and 22 is:
While working alone at their respective constant rates, server G uploads 480 files in 4 hours and server Y uploads 480 files in 8 hours. If all files uploaded by these servers are the same size, how long would it take the two servers, working at the same time and at their respective constant rates, to process a total of 480 files?
4, 2, -4, -8, 32, 26, -156, ?
A batsman in his 10th innings makes a score of 60, and thereby increases his average by 3. What is his average after the 10th innings? He had never been ’not out’.
What percentage of numbers from 1 to 70 have squares that end in the digit 1?
A Fruit store sells four varieties of Mangoes. A,B,C & D. IF A Costs 20% less than B, and C costs 25% less than A,and D costs 35% less than C what percent of B's cost is D?
If six persons sit in a row, then the probability that three particular persons are always together is?
Marla is hanging a banner diagonally across a rectangular room. The length of the room is 3 feet shorter than its width. If the total area of the room is 130 square feet, what is the length of the banner (in feet)?
S is a set containing 8 different positive odd primes. T is a set containing 8 different numbers, all of which are members of S. Which of the following statements CANNOT be true?
Triathlete Dan runs along a 3-mile stretch of river and then swims back along the same route. If Dan runs at a rate of 10 miles per hour and swims at a rate of 6 miles per hour, what is his average rate for the entire trip in miles per minute?
A woodworker normally makes a certain number of parts in 24 days. But he was able to increase his productivity by 5 parts per day, and so he not only finished the job in only 22 days but also he made 80 extra parts. How many parts does the woodworker normally makes per day and how many pieces does he make in 24 days?
If you have 8 New Year greeting cards and you want to send them to 3 of your friends, in how many ways can this be done?
6x − 12 = 6y 4y + 4x = 12 Which of the following is the number of solutions to the system of equations shown above?
115 liters of a mixture of milk and water contains in the ratio 3:2. How much water should now be added so that the ratio of milk and water becomes 3:4?
Let the number which when multiplied by 12 is increased by 198.
The total age of A and B is 18 years more than the total age of B and C. C is how many year younger than
The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is:
How many seconds will a train 100 meters long take to cross a bridge 250 meters long if the speed of the train is 36 kmph?
Rs.8000 become Rs.9261 in a certain interval of time at the rate of 5% per annum of C.I. Find the time?
In a shower, 5 cm of rain falls. The volume of water that falls on 1.5 hectares of ground is:
Find the area of a parallelogram with base 30 cm and height 12 cm?
a, b, c, d, and e are five consecutive numbers in increasing order of size. Deleting one of the five numbers from the set decreased the sum of the remaining numbers in the set by 20%. Which one of the following numbers S was deleted?
If 2994 Ã· 14.5 = 179, then 29.94 Ã· 1.45 = ?
Evaluate: 30 - 1232 = ?
Tough and Tricky questions: Number Properties. What is the smallest positive integer x such that 324x is the cube of a positive integer?
Bag A contains red, white and blue marbles such that the red to white marble ratio is 1:3 and the white to blue marble ratio is 2:3. Bag B contains red and white marbles in the ratio of 1:4. Together, the two bags contain 26 white marbles. How many red marbles could be in bag A?
The price of an article has been reduced by 25%. In order to restore the original price the new price must be increased by?
A man sells a horse for Rs.20 and loses something, if he had sold it for Rs.980, his gain would have been double the former loss. Find the cost price of the horse?

After MM students took a test, there was a total of 64% of correct answers. If the test contains 50 questions, what is the least number of questions that the next student have to get right to bring the total of correct answers to 70% ?

A and B together invested Rs. 20,000 in a business. At the end of the year, out of total profit is Rs. 5,000 B's share was Rs. 2000. A's investment was

The length of a rectangular plot is thrice its breadth. If the area of the rectangular plot is 867 sq m, then what is the breadth of the rectangular plot?

Nine highschool teachers gather at allocacting the subject, Three subject of 3 people each will be created. How many ways are there to create these 3 teams?

There are two circles of different radii. The are of a square is 784 sq cm and its side is twice the radius of the larger circle. The radius of the larger circle is seven - third that of the smaller circle. Find the circumference of the smaller circle?

A company has 60 employees, of which 22 studied accounting, 15 studied finance and 14 studied marketing. Nine employees have done just two courses and only one made the three courses. How many employees have no training?

The banker's discount on a bill due 4 months hence at 15% is Rs. 420. The true discount is:

If a, b, and c are consecutive positive integers and a > b > c, which of the following must be true? I. c - a = 2 II. abc is an even integer. III. (a + b + c)/3 is an integer.

The units digit of (35)^(87) + (93)^(47) is:

Can you replace the question mark with the number to complete the series, provided the pair of numbers exhibits a similar relationship? ? : 4623 :: 9 : 647

How many words can be formed from the letters of the word ‘DIRECTOR’ So that the vowels are always together?

Becky sets up a hot dog stand in her busy neighborhood and purchases x pounds of hot dogs for t dollars per pound. If she has to throw away s pounds of hot dogs due to spoilage and she sells the rest of the hot dogs for d dollars per pound, which of the following represents the net profit on the sale of the hot dogs?

For every order, a certain mail-order company charges a shipping fee of $3 plus an additional $2 if the value of the order is over $50 but not over $100 or an additional $3 if the value of the order is over $100. How much greater are the total shipping fees for 2 orders of $75 each than the total shipping fee for 1 order of $300 ?

Which is the middle even number between 9 and 23?

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

Ramesh can finish a work in 20 days and Sushil in 25 days. They both work together for 5 days and then Sushil goes away. In how many days will Ramesh complete the remaining work?

If 32455 × 3145208 × K^3 is divisible by 3, which of the following could be the value of K?

A car owner buys petrol at Rs.7.50, Rs. 8 and Rs. 8.50 per litre for three successive years. What approximately is the average cost per liter of petrol if he spends Rs. 4000 each year?

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

Find the ones digit of 73^353

The markup on a box of apples is 10 percent of the cost. The markup is what percent of the selling price? (markup = selling price - cost)

The speed of a car is 90 km in the first hour and 60 km in the second hour. What is the average speed of the car?

A batsman in his 17th innings makes a score of 85 and their by increasing his average by 3. What is his average after the 17thinnings?

The maximum number of students among them 1001 pens and 910 pencils can be distributed in such a way that each student gets the same number of pens and same number of pencils is:

N, a set of natural numbers is partitioned into subsets S1 = {1}, S2 = {2,3}, S3 = {4,5,6}, S4 = {7,8,9,10} and so on. The sum of the elements of the subset S50 is

A boy was asked to find 7/9 of a y. But he divided the y by 7/9, Thus he got 32 morethan theanswer. Find the y.

X, Y, and Z are consecutive numbers and X > Y > Z. Also, X + 3Y + 3Z = 5Y + 8. What is the value of Z?

8, 24, 12, 36, 18, 54, (....)

The H.C.F. of two numbers is 23 and the other two factors of their L.C.M. are 9 and 10. The larger of the two numbers is:

What is the area of a square field whose diagonal of length 20 m?

In how many ways can the letters {U, R, U, R, R} be arranged?

The average marks in mathematics scored by the pupils of a school at the public examination were 39. If four of these pupils who actually scored 5, 12, 15 and 19 marks at the examination had not been sent up, the average marks for the school would have been 44. Find the number of pupils sent up for examination from the school?

If the arithmetic mean of p and q is 10 and the arithmetic mean of q and r is 27, what is the value of r-p?

A sum fetched a total simple interest of Rs. 4016.25 at the rate of 9 p.c.p.a. in 5 years. What is the sum?

On the coordinate plane , points P and T are defined by the coordinates (-1,0) and (3,3), respectively, and are connected to form a chord of a circle which also lies on the plane. If the area of the circle is (25/4) π , what are the coordinates of the center of the circle ?

A and B start walking towards each other at 4pm at speed of 2kmph and 3kmph. They were initially 15km apart. At what time do they meet?

How many seconds will a 450 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?

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

The average salary of 15 people in the shipping department at a certain firm is $20,000. The salary of 5 of the employees is $25,000 each and the salary of 4 of the employees is $20,000 each. What is the average salary of the remaining employees?

Let us say that a table tennis tournament was going on with knock out terms which means the one who loses the match is out of the tournament. 110 players took part in that tournament. How many matches were played?

Rani is two years older than Banu who is twice as old as Chitra. If the total of the age of Rani, Banu and Chitra be 32 years, then how old is Banu ?

The area of a parallelogram is 72sq m and its altitude is twice the corresponding base. Then the length of the base is?

The unit digit in the product (891 * 781 * 912 * 463) is:

If x is 20 percent greater than 12, then x =

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 seconds. The speed of the train is?

There are some people in party, 1/3rd left the party . Then 2/5th of the remaining left the party , then 2/3rd of the remaining left the party . At last 6 were remaining . How many people were in total ?

What is the are of an equilateral triangle of side 14 cm?

In a question on division with zero remainder, a candidate took 12 as divisor instead of 21. The quotient obtained by him was 35. The correct quotient is?

Ravi and sunil are partners in a business. Ravi invests Rs.10,000 for 8 months and Sunil invested Rs.12000 for 10 months then after one year ratio of their profits will be

Excluding stoppages, the speed of a bus is 70 km/hr and including stoppages, it is 40 km/hr. For how many minutes does the bus stop per hour?

The speed of a train is 120 kmph. What is the distance covered by it in 10 minutes?

Sreenivas sells a table to Shiva at 10% profit and Shiva sells it to Mahesh at 10% loss. At what price did Sreenivas purchase the table if Mahesh paid Rs. 2178?

After allowing a discount of 15% on the marked price, the selling price is $6800 for an article. If it was sold at marked price, there would have been a profit of 60%. The cost price of the article is?

If the cost price of 20 articles is equal to the selling price of 25 articles, what is the % profit or loss made by the merchant?

I. x2 + 9x + 20 = 0, II. y2 + 5y + 6 = 0 to solve both the equations to find the values of x and y?

At a certain conference, 72% of the attendees registered at least two weeks in advance and paid their conference fee in full. If 10% of the attendees who paid their conference fee in full did not register at least two weeks in advance, what percent of conference attendees registered at least two weeks in advance?

The effective annual rate of interest corresponding to a nominal rate of 6% per annum payable half-yearly is?

The weights of three boys are in the ratio 4 : 5 : 6. If the sum of the weights of the heaviest and the lightest boy is 44 kg more than the weight of the third boy, what is the weight of the lightest boy?

Find the odd man out 4, 8, 12, 16, 20, 24, 27, 32

You have three pills with you which you are required to take one after every thirty minutes. How long can the pills run for you?

How many 4-digit positive integers are multiple of each integer from 1 to 10

John bought 2 shares and sold them for $84 each. If he had a profit of 20% on the sale of one of the shares but a loss of 20% on the sale of the other share, then on the sale of both shares John had

A shopkeeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of the cost price and the printed price of the book is:

A certain set of numbers has an average (arithmetic mean) of 50 and a standard deviation of 50.5. If b and n, two numbers in the set, are both within 2 standard deviations from the average, then which of the following could be the sum of b and n?

The batting average for 40 innings of a cricket palyer is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded, the average of the remaining 38 innings is 48 runs. The highest score of the player is

If the cost price is 40% of selling price. Then what is the profit percent.

Debanshu normally drives to work in 45 minutes at an average speed of 40 miles per hour. This week, however, she plans to bike to work along a route that decreases the total distance she usually travels when driving by 20% . If Debanshu averages between 12 and 16 miles per hour when biking, how many minutes earlier will she need to leave in the morning in order to ensure she arrives at work at the same time as when she drives?

A river boat leaves Silver Town and travels upstream to Gold Town at an average speed of 6 kilometers per hour. It returns by the same route at an average speed of 8 kilometers per hour. What is the average speed for the round-trip in kilometers per hour?

If x^2 - y^2 = 2xy, then (x+y)^2 =

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?

Two circles, one with radius 10 inches and the other with radius 4 inches, are tangent at point Q. Two insects start crawling at the same time from point Q: one along the larger circle at 3π inches per minute, the other along the smaller circle at 2.5π inches per minute. How much time has elapsed when the two insects meet again at point Q?

Dacid obtained 81, 65, 82, 67 and 85 marks (out of 100) in English, Mathematics, Physics, Chemistry and Biology. What are his average marks?

The smallest number which when diminished by 6, is divisible 12, 14, 16, 18 and 22 is:

While working alone at their respective constant rates, server G uploads 480 files in 4 hours and server Y uploads 480 files in 8 hours. If all files uploaded by these servers are the same size, how long would it take the two servers, working at the same time and at their respective constant rates, to process a total of 480 files?

4, 2, -4, -8, 32, 26, -156, ?

A batsman in his 10th innings makes a score of 60, and thereby increases his average by 3. What is his average after the 10th innings? He had never been ’not out’.

What percentage of numbers from 1 to 70 have squares that end in the digit 1?

A Fruit store sells four varieties of Mangoes. A,B,C & D. IF A Costs 20% less than B, and C costs 25% less than A,and D costs 35% less than C what percent of B's cost is D?

If six persons sit in a row, then the probability that three particular persons are always together is?

Marla is hanging a banner diagonally across a rectangular room. The length of the room is 3 feet shorter than its width. If the total area of the room is 130 square feet, what is the length of the banner (in feet)?

S is a set containing 8 different positive odd primes. T is a set containing 8 different numbers, all of which are members of S. Which of the following statements CANNOT be true?

Triathlete Dan runs along a 3-mile stretch of river and then swims back along the same route. If Dan runs at a rate of 10 miles per hour and swims at a rate of 6 miles per hour, what is his average rate for the entire trip in miles per minute?

A woodworker normally makes a certain number of parts in 24 days. But he was able to increase his productivity by 5 parts per day, and so he not only finished the job in only 22 days but also he made 80 extra parts. How many parts does the woodworker normally makes per day and how many pieces does he make in 24 days?

If you have 8 New Year greeting cards and you want to send them to 3 of your friends, in how many ways can this be done?

6x − 12 = 6y 4y + 4x = 12 Which of the following is the number of solutions to the system of equations shown above?

115 liters of a mixture of milk and water contains in the ratio 3:2. How much water should now be added so that the ratio of milk and water becomes 3:4?

Let the number which when multiplied by 12 is increased by 198.

The total age of A and B is 18 years more than the total age of B and C. C is how many year younger than

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

How many seconds will a train 100 meters long take to cross a bridge 250 meters long if the speed of the train is 36 kmph?

Rs.8000 become Rs.9261 in a certain interval of time at the rate of 5% per annum of C.I. Find the time?

In a shower, 5 cm of rain falls. The volume of water that falls on 1.5 hectares of ground is:

Find the area of a parallelogram with base 30 cm and height 12 cm?

a, b, c, d, and e are five consecutive numbers in increasing order of size. Deleting one of the five numbers from the set decreased the sum of the remaining numbers in the set by 20%. Which one of the following numbers S was deleted?

If 2994 Ã· 14.5 = 179, then 29.94 Ã· 1.45 = ?

Evaluate: 30 - 12*3*2 = ?

Tough and Tricky questions: Number Properties. What is the smallest positive integer x such that 324x is the cube of a positive integer?

Bag A contains red, white and blue marbles such that the red to white marble ratio is 1:3 and the white to blue marble ratio is 2:3. Bag B contains red and white marbles in the ratio of 1:4. Together, the two bags contain 26 white marbles. How many red marbles could be in bag A?

The price of an article has been reduced by 25%. In order to restore the original price the new price must be increased by?

A man sells a horse for Rs.20 and loses something, if he had sold it for Rs.980, his gain would have been double the former loss. Find the cost price of the horse?