Correct Answers: | |

Wrong Answers: | |

Unattempted: |

### Question 1

The sum of two numbers is 10. Their product is 9. One of the two numbers is?

### Question 2

What is x in $2{19/x}$ × $1{10/17}$ = $3{2/5}$?

### Question 3

The difference between a two digit number and the one obtained by reversing its digits is 81. If one of the digits is 4, what is the other?

**A**

Cannot exist.

**B**

6.

**C**

7.

**D**

8.

**Soln.**

**Ans: a**

Let the numbers be a and b. ab = 10a + b, and ba = 10b + a. The difference is 10a + b - (10b + a) = 9(a - b). It is given that 9(a - b) = 81, ⇒ a - b = $81/9$ = 9, ⇒ the difference between the digits is 9. If one of the digits is 4, the other cannot be determined.

### Question 4

How many odd numbers are there between -1570 and 2426?

### Question 5

The sum of three consecutive integer numbers is -96. The smallest of the three is?

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This Blog Post/Article "Problems on Numbers Quiz Set 020" by Parveen (Hoven) is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

Updated on 2019-08-18.