Multiple choice

A, B & C can complete a piece of work in 24, 6 & 12 days respectively, working together they will complete the same work in

  1. 1 / 24 days

  2. 7 / 24 days

  3. 24 / 7 days

  4. 4 days

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

( A + B +  C )' s 1 day' s work = ( 1/24 + 1/6 + 1/12 ) = 7 / 24 So A, B, C  together will complete the job in 24/7 days