CAT 2018 Time and Work Question (Medium)

Question

A can complete a work in 10 days, B can do the same piece of work in 15 days. If they both work together for 4 days, then fraction of work left is

Optima Learn · Accepted Answer

Understanding A completes a work in 10 days and B completes it in 15 days working together for 4 days, we need the fraction of the work still left. Analyzing Their combined rate is 1 10 1 15 3 30 2 30 1 6 of the work per day. In 4 days, they complete 4 1 6 4 6 2 3 of the work. The fraction left is 1

CAT 2018 Time and Work — Previous Year Question

CAT 2018

Quantitative

Time and Work

Medium

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