IBPS SO Prelims Exam Model Paper 2

Given:
Two pipes can fill a cistern = 24 minutes
Calculation:
Let the First pipe takes x minutes to fill the tank
The second pipe will take 3x minutes to fill the tank
⇒

1

x

+

1

3x

=

1

24

⇒

4

3x

=

1

24

⇒ x = 32 मिनट
3x = 32 × 3
⇒ 96
∴ The second pipe will take 96 minutes to fill the tank