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	Pick:
A) 5780 litres
B) 5770 litres
C) 5760 litres
D) 5750 litres
E) 5740 litres
Explanation:   Work done by the inlet in 1 hour =   1/6−1/8=1/24   Work done by inlet in 1 min=1/24∗1/60=1/1440   =&gt;Volume of 1/1440 part = 4 liters   Volume of whole = (1440 * 4)= 
<gadget id="calculator">(1440 * 4)</gadget>
<output>5_760</output>
5760 litres.   Option 5760 litres
<result>C</result>
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