CAT 2021 Slot 1 QA Q19 Time & Work

Question 19 of the Quantitative Ability (QA) section, CAT 2021 Slot 1, with CAT's official answer.

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

Answer: (D) 7 Time & Work MCQ

A worked solution for this question is being written. Meanwhile, practise it in a timed mock and see how other aspirants did.

Same concept in other years

See every question on Work done in a repeating daily roster of workers.

More Time & Work questions from CAT

All 34 Time & Work questions asked since 2017.