## Problems on Number

Learn and practice Problems on number with easy explaination and shortcut tricks. All questions and answers on number covered for various Competitive Exams.

## Solve Problems:

1) If 30% of a certain number is 12.6, what is the number?

1. 24
2. 42
3. 23
4. 32

2) One-fourth of one-third of two-fifth of a number is 15. What will be 40% of that number?

1. 120
2. 180
3. 270
4. 350

3) A number exceeds 20% of itself by 40. What is the number?

1. 50
2. 60
3. 80
4. 320

4) The difference between two numbers is 14, and their sum is 40. Find out the product of these two numbers?

1. 960
2. 280
3. 351

5) A number, when divided by 4, is reduced by 21. What is the number?

1. 18
2. 20
3. 28
4. 38

6) Two different natural numbers are such that their product is less than their sum. One of the numbers must be

1. 1
2. 2
3. 3
4. None of these.

7) Two-third of one-fifth of one-fourth of a number is 10. What is 30% of that number?

1. 60
2. 100
3. 270
4. 90

8) The sum of two consecutive odd numbers in a set of three consecutive odd numbers is 5 more than the third number. What is the second of these numbers?

1. 5
2. 7
3. 9
4. 11

9) The ratio between a two-digit number and the sum of the digits of that number is 4:1. If the digit in the unit place is 3 more than the digit in the ten’s place, what is that number?

1. 24
2. 63
3. 36
4. None of these.

10) The difference between a two-digit number and the number obtained by interchanging the digits is 27. What is the difference between the digits of the number?

1. 3
2. 6
3. 9
4. 5