Question

20. Pipe A and pipe B can fill a tank in 10 hours and
12 hours respectively. Pipe C can empty the full
tank in 20 hours. If all the pipes are opened at the
same time, in how many hours the same empty
tank can be filled completely?​

Answer 1

Answer:

5 hours

Step-by-step explanation:

A , B and C can fill the tank in 5 hours