A and B can together finish a work 30 days. They worked together for 20 days and then B left. After another 20 days, A f

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Q 1453301244.     A and B can together finish a work 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 work?
A

40

B

50

C

54

D

60

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Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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