Question

A pipe can fill a cistern in 10 hours. Due to a leak in the bottom it is filled in 12 hours. When the

cistern is full, in how much time will it be emptied by the leak​

Answer 1

∴ Due to leakage the cistern gets emptied in = 1/(1/60) = 60 hours.

Answer 2

Answer:

When there is no leakage, the pipe can fill the cistern in 10 hours. Thus, the pipe can fill th part of the cistern in 1 hour . Thus, the pipe can fill 1 10 th part of the cistern in 1 hour . When there is leakage, the pipe can fill the cistern in 12 hours.

1 hour or 60 min.

Thank you .