WBCS.LIVE practice question

P, Q and R together can do a work in 4 days. P and Q alone can do the same work in 8 and 12 days respectively. In how many days can R do the same work alone?

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

Answer options

  1. 18 days
  2. 20 days
  3. 22 days
  4. 24 days

Correct answer and explanation

Correct answer: 24 days