A and B together can do a piece of work in 10 days, A and C together in 12 [2]
days, B and C together in 15 days. How long each will take to do it along?
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A and B together can do a piece of work in 10 days, A and C together in 12 [2]
days, B and C together in 15 days. How long each will take to do it along?
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Answer:
go and ask from A B C
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