Question

Three pipes A, B and C are connected to a tank. A and B can fill the tank in 6 hours and 8 hours respectively when operated independently. Pipe C can empty the full tank in 12 hours when opened alone. If all three pipes are opened together and pipe C can empty the tank at the rate 20 litres / hours, then the capacity of the tank is

Answer 1

Step-by-step explanation:

A= 6hrs

B = 8 hrs

C = -12 hrs

capacity= work/time

20 = work / 12

work = 240 litres

240 is the tank capacity