A can do a piece of work in 9 days while B can do it in 12 days. A and B together can do the work in

A can do a piece of work in 9 days while B can do it in 12 days. A and

1.	A can do a piece of work in 9 days while B can do it in 12 days. A and B together can do the work in
A.	5 1/7 days
B.	5 2/7 days
C.	6 1/7 days
D.	6 2/7 days
Answer» B. 5 2/7 days

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A can do a piece of work in 9 days while B can do it in 12 days. A and B together can do the work in

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