WBCS.LIVE practice question

There is a leak (hole) in a tank which can empty it in 8 hours. Another pipe is fitted to the tank, which can fill 6 liters of water per hour. The pipe is opened, but due to leakage, the tank becomes empty in 12 hours. What is the capacity of the tank?

Solve this multiple-choice question and check the correct answer with its explanation below.