SSC CGL 30 Aug 2015 Paper

Question : 131 of 200

Marks: +1, -0

A leak in the bottom of a tank can empty the full tank in 6 hours. An inlet pipe fills water at the rate of 4 litres a minute. When the tank is full, the inlet is opened and due to the leak the tank is empty in 8 hours. Find the capacity of the tank.

5760 litres
96 litres
10 litres
24 litres

Validate

Solution:

Part of tank filled by inlet pipe in 1 hour
=

1/6-1/8

{4-3}/{24}

1/{24}

Hence, if there is no leak, the inlet pipe will fill the tank in 24 hours.
∴ Capacity of the tank
= 24 × 60 × 4
= 5760 litres

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