In a tank of capacity 6000 liters, there are 3 pipes that fill it at 5 liters per minute each. Also, there are 2 leakages at the bottom and each of them drains the tank at 2.5 liters per minute. If all pipes are opened, in how much time will the tank gets filled?
1
20 hours
2
10 hours
3
30 hours
4
5 hours
5
7.5 hours