.A leak in the bottom of a tank can empty the full tank in 4hours.An inlet pipe fills water at the rate of 5lit a minute.When the tank is full, the inlet is opened and due to the leak,the tank is empty in 6 hours. How many litres does the tank hold?

Question

.A leak in the bottom of a tank can empty the full tank in 4hours.An inlet pipe fills water at the rate of 5lit a minute.When  the tank is full, the inlet is opened and due to the leak,the tank is empty in 6 hours. How many litres does the tank hold?

bobpursley · Answer

rate of leak=tank/4 hours rate of filling=5 lit/min=300lit/hr net rate=300lit/hr-tank/4hours volume=0=tank-netrate*6hrs 0=tank-1300lit+tank(4/6) tank(1-2/3)=1300 tank=3900 liters check that.