CAT 2025 Time and Work Question (Medium)

Question

Ankita is twice as efficient as Bipin, while Bipin is twice as efficient as Chandan. All three of them start together on a job, and Bipin leaves the job after 20 days. If the job got completed in 60 days, the number of days needed by Chandan to complete the job alone, is

Optima Learn · Accepted Answer

Let Chandan s one-day work x. Then Bipin 2x and Ankita 4x. All three work together for the first 20 days. Their combined daily work x 2x 4x 7x. Work done in 20 days 20 times7x 140x. Bipin leaves after 20 days Ankita and Chandan continue for the remaining 60-20 40 days. Their combined daily work 4x x

CAT 2025 Time and Work — Previous Year Question

CAT 2025

Quantitative

Time and Work

Medium

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