Question

A and B can together finish a work 3
They worked together for 20 days and
left after another 20 days. A in
remaining work. In how many days
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Answer 1

Answer:

After another 20 days, A finished the remaining work. In how many days A alone can finish the work? work is done by A in 20 days. Therefore, the whole work will be done by A in (20 x 3) = 60 days.