Time & Work

Combined work, pipes & cisterns, alternating workers.

What's covered

This topic carries 23 questions in our bank, drawn from the SSC CGL syllabus and previous-year papers. Every question has a worked-out explanation.

Q1

12 men can build a wall in 15 days. How many men are needed to finish it in 9 days?
Q2 • SSC CGL 2024

A can do a piece of work in 12 days and B in 18 days. Together they will finish it in:
Q3 • SSC CGL 2023

A can complete a piece of work in 25 days while B can complete the same work in 30 days. They work on alternate basis, starting with A. Both A and B follow this pattern for 5 days and then A leaves the work. In how many days will B finish the remaining work?

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