WBCS.LIVE practice question

A pipe can fill a water tank in 15 hours, but due to leakage at the bottom it gets filled in 20 hours. If the tank is full, how much time will it take to plug the leak if there are no other entry or exit points into the tank?

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

Answer options

  1. 40 hrs
  2. 50 hrs
  3. 30 hrs
  4. 60 hrs

Correct answer and explanation

Correct answer: 60 hrs