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A and B can together do a piece of work in 15 days. B alone can do it 20 days. In how many days can A alone do it ?

Asked Sep 07, 2023 Modified Sep 07, 2023 Viewed 0 times

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Mathematics

asked Sep 07, 2023 at 09:12

A

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60 days

answered Sep 07, 2023 at 09:12

A

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