A and B can together finish a work in 30 days. They worked for it for 20 days and then B left. the remaining work was done by A alone in 20 more days. A alone can finish the work in?

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Accepted Answer

(A + B)'s 20 day's work = (20 x 1/30) = 2/3 Remaining work = (1 - 2/3) = 1/3 1/3 work is done by A in 20 days Whole work can be done by A in (3 x 20) days = 60 days.

A and B can together finish a work in 30 days. They worked for it for 20 days and then B left. the remaining work was done by A alone in 20 more days. A alone can finish the work in?

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