A and B can together finish a work in 30 days. They worked at it for 2 – McqOptions

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1.	A and B can together finish a work in 30 days. They worked at 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 ?
A.	48
B.	50
C.	54
D.	60
Answer» E.

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