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A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is :

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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8/15

answered Sep 07, 2023 at 09:12

A

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