a and b together can complete a work in 12 days a alone can complete i | Examsbook

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786 0

Q:
A and B together can complete a work in 12 days, A alone can complete in 20 days. If B now does the work only for half a day daily, then the number of days required to complete the work, by A and B together, is

1
18
2
15
3
14
4
16

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Answer : 2. "15"

Maths Time and Work Questions

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