WBCS.LIVE practice question

A pipe can fill a water tank in 12.5 hours. There was a leak at the bottom of the tank, due to which the entire tank could be drained in 17.5 hours. The leak was stopped after 14 hours of opening the pipe to fill the tank. What was the total time (in hours) taken to fill the tank?

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

Answer options

  1. 22.5
  2. 20.5
  3. 27
  4. 25

Correct answer and explanation

Correct answer: 22.5