CAT 2019 Slot 2 QA Q15 Time & Work

Question 15 of the Quantitative Ability (QA) section, CAT 2019 Slot 2, with CAT's official answer.

Anil alone can do a job in 20 days while Sunil alone can do it in 40 days. Anil starts the job, and after 3 days, Sunil joins him. Again, after a few more days, Bimal joins them and they together finish the job. If Bimal has done 10% of the job, then in how many days was the job done?
  1. A
    13
  2. B
    12
  3. C
    15
  4. D
    14

Answer: (A) 13 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 completed in phases as workers join, leave or slow down.

More Time & Work questions from CAT

All 34 Time & Work questions asked since 2017.