A and B can do a piece of work in 4 days. If A can do it alone in 12 days, B will finish the work in

A and B can do a piece of work in 4 days. If A can do it alone in 1

1.	A and B can do a piece of work in 4 days. If A can do it alone in 12 days, B will finish the work in
A.	6 days
B.	7 days
C.	8 days
D.	9 days
Answer» B. 7 days

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A and B can do a piece of work in 4 days. If A can do it alone in 12 days, B will finish the work in

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