Time and Work
Work efficiency, joint work and combined-output problems.
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Take a full mock →Q1 · Time and Work · EASY
A can complete a piece of work in 12 days and B can complete the same work in 18 days. If both A and B work together, how many days will they take to complete the work?
Q2 · Time and Work · MEDIUM
15 men can complete a work in 20 days. After 5 days, 5 more men joined them. In how many more days will the work be completed?
Q3 · Time and Work · HARD
A and B together can complete a work in 12 days. B and C together can complete it in 15 days. A and C together can complete it in 20 days. In how many days can A alone complete the work?
Q4 · Time and Work · MEDIUM
A can complete a work in 20 days and B can complete the same work in 30 days. If they work together, how many days will it take to complete the work?