# Numbers and their Relations UPSC Questions

## Numbers and their Relations MCQ Questions

1.

For a charity show, the total tickets sold were 420. Half of these tickets were sold at the rate of ₹ 5 each, one-third at the rate of ₹ 3 each and the rest for ₹ 2 each. What was the total amount received?

UPSC-2014

A.

₹ 900

B.

₹ 1,540

C.

₹ 1,610

D.

₹ 2,000

C. ₹ 1,610

2.

A gardener has 1000 plants. He wants to plant them in such a way that the number of rows and the number of columns remains the same. What is the minimum number of plants that he needs more for this purpose?

UPSC-2013

A.

14

B.

24

C.

32

D.

34

B. 24

3.

Five persons fire bullets at a target at an interval of 6, 7, 8, 9 and 12 seconds respectively. The number of times they would fire the bullets together at the target in an hour is

UPSC-2014

A.

6

B.

7

C.

8

D.

9

B. 7

4.

What is the remainder when 91x92x93x94x95x96x97x98x99 is divided by 1261?

UPSC-2022

A.

1

B.

2

C.

3

D.

0

D. 0

5.

What is the smallest number greater than 1000 that when divided by any one of the numbers 6, 9, 12, 15, 18 leaves a remainder of 3?

UPSC-2022

A.

1063

B.

1073

C.

1083

D.

1183

C. 1083

6.

Let p be a two-digit number and q be the number consisting of same digits written in reverse order. If pxq = 2430, then what is the difference between p and q?

UPSC-2022

A.

45

B.

27

C.

18

D.

9  