← CAT 2021 Slot 1 QA

CAT 2021 Slot 1 QA · Question 19

Anu, Vinu and Manu can complete a work alone in 15 days, 12 days and 20 days, respectively. Vinu works everyday. Anu works only on alternate days starting from the first day while Manu works only on alternate days starting from the second day. Then, the number of days needed to complete the work is

  1. A.
    8
  2. B.
    6
  3. C.
    5
  4. D.
    7

Sign in free to see the answer and the step-by-step solution.

Show answer
Take the whole QA section timed →