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. The capacity of the tank (in litres) is
A. 5260
B. 5846
C. 5760
D. 6970
Answer:C
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. The capacity of the tank (in litres) is
A. 5260 B. 5846 C. 5760 D. 6970
Explanation: Work done by the inlet in 1 hour = (1/6) - (1/8) = 1/24