Subject: mathqa
Question: 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 5 liters per minute . when the tank is full in inlet is opened and due to the leak the tank is empties in 8 hours . the capacity of the tank is ?
Option: 
A: 5760
B: 7200
C: 2870
D: 5729
Answer: B