WBCS.LIVE practice question

A boy can complete a work alone in 10 days, but with the help of his friend he can complete the work in 6 days. In how much time can his friend complete the work alone?

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

Answer options

  1. 4 day
  2. 15 day
  3. 5 day
  4. 8 day

Correct answer and explanation

Correct answer: 15 day