A and B can separately complete a piece of work in 20 days and 30 days respectively. They worked together for some time, then B left the work. If A completed the rest of the work in 10 days, then B worked for:

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Asked: January 11, 20222022-01-11T19:13:33+05:30 2022-01-11T19:13:33+05:30Category: Number Puzzles

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Mighty Ashish · Answer 1 · 2022-01-11T19:13:46+05:30

Explanation:

A’s 10 days work = 10×3 units/ days = 30 units

So,(60−30)=30 units of work would have been done by A

and B both and it took time:

30\(3+2)=6days

So, B worked for 6 days