A tap can fill a cistern in 8 hours and another tap can empty the full cistern in 16 hours. If both the taps are open then time taken to fill the cistern is

Question

Philoid · Accepted Answer

Number of hours Tap A requires to fill an empty tank : 8 hours

Number of hours Tap B requires to empty the full tank : 16 hours

Amount of water filled by Tap A in empty tank in one hour:

Amount of water Tap B empties in one hour:

Amount of water filled by Tap A and Tap B together in one hour: =

They can fill the tank together in 16 hours.