Police Constables>Chapter 3 - Arithmetic Maths>NUMBER SYSTEM>Q 18

EASY

CISF Head Constable

IMPORTANT

Earn 100

In a group of $40$ persons, $15$ drink tea but not coffee and $18$ drink coffee but not tea. If they drink at least one of the drinks, how many persons in the group drink tea?

100% studentsanswered this correctly

Important Questions on Arithmetic Maths

EASY

CISF Head Constable

IMPORTANT

Police Constables>Chapter 3 - Arithmetic Maths>NUMBER SYSTEM>Q 19

A number when multiplied by

21

is increased by

200

. Find the number.

EASY

CISF Head Constable

IMPORTANT

Police Constables>Chapter 3 - Arithmetic Maths>NUMBER SYSTEM>Q 20

The sum of the digits of a two-digit number is

11

. On adding

27

to the given number, its digits are reversed. Find the number.

MEDIUM

CISF Head Constable

IMPORTANT

Police Constables>Chapter 3 - Arithmetic Maths>NUMBER SYSTEM>Q 21

Find the remainder when

25^{25}

is divided by

26

.

EASY

CISF Head Constable

IMPORTANT

Police Constables>Chapter 3 - Arithmetic Maths>NUMBER SYSTEM>Q 22

Find the least number at

*

place when

517 * 324

is divisible by

3

.

MEDIUM

CISF Head Constable

IMPORTANT

Police Constables>Chapter 3 - Arithmetic Maths>NUMBER SYSTEM>Q 23

Find the least number at

*

place when

97215 * 6

is divisible by

11

.

EASY

CISF Head Constable

IMPORTANT

Police Constables>Chapter 3 - Arithmetic Maths>NUMBER SYSTEM>Q 24

What will come in place of question mark (?) in the given question?

$(1^{2} - 2^{2} + 3^{2} - 4^{2} + 5^{2} - 6^{2} + . . . . . . . . . . 9^{2} - 10^{2}) = ?$

EASY

CISF Head Constable

IMPORTANT

Police Constables>Chapter 3 - Arithmetic Maths>NUMBER SYSTEM>Q 25

Sum of the two numbers is

12

, their product is

35

, What is the sum of the reciprocals of these numbers?

EASY

CISF Head Constable

IMPORTANT

Police Constables>Chapter 3 - Arithmetic Maths>LCM & HCF>Q 1

LCM of

18

and

27

is: