NinetynineCAT 2017 Slot 1 QA Q2 Time & Work
Question 2 of the Quantitative Ability (QA) section, CAT 2017 Slot 1, with CAT's official answer.
A person can complete a job in 120 days. He works alone on Day 1. On Day 2, he is joined by another person who also can complete the job in exactly 120 days. On Day 3, they are joined by another person of equal efficiency. Like this, everyday a new person with the same efficiency joins the work. How many days are required to complete the job? (TITA)
TITA: type in the answer. There are no options and no negative marking.
Answer: 15 Time & Work TITA
A worked solution for this question is being written. Meanwhile, practise it in a timed mock and see how other aspirants did.