.A and B can together finish work in 30 days .They worked together for 20 days and then B left. After another 20 days, A finished the remaining work .In how many days A alone can finish the job? - Study24x7
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Goraksha Dadhich
01 Jan 1970 05:30 AM study24x7 study24x7

.A and B can together finish work in 30 days .They worked together for 20 days and then B left. After another 20 days, A finished the remaining work .In how many days A alone can finish the job?

A

40

B

50

C

54

D

60

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