A and B can do a work in 12 days and 36 days respectively. If they work on alternate days beginning with B, in how many days will the work be completed?

A and B can do a work in 12 days and 36 days respectively. If they

1.	A and B can do a work in 12 days and 36 days respectively. If they work on alternate days beginning with B, in how many days will the work be completed?
A.	20 2/3
B.	9
C.	24
D.	None of these
Answer» E.

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A and B can do a work in 12 days and 36 days respectively. If they work on alternate days beginning with B, in how many days will the work be completed?

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