A and B together can do a piece of work in 10 days, A and C together in 12 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, while B and C together can do it in 12 days and C and A together in 15 days. In how many days C would complete it alone? Hence C will finish the work in 40 days.
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