A and b can together finish a work in 30 days.they worked together for 20 days, then b left.after another 20 days, a finished the remaining work.in how many days can a alone finish the job
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according to question they done 2/3of work
and A finished 1/3 of work in 20 days
so time taken by A to fish the total work alone= 20 x 3= 60 days answer
and A finished 1/3 of work in 20 days
so time taken by A to fish the total work alone= 20 x 3= 60 days answer
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