A can do a piece of work in 10 days ,B can do it in 15 days. Working together they can finish the work in ?

A can do a piece of work in 10 days ,B can do it in 15 days. Working t

1.	A can do a piece of work in 10 days ,B can do it in 15 days. Working together they can finish the work in ?
A.	9
B.	8
C.	10
D.	6
Answer» E.

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A can do a piece of work in 10 days ,B can do it in 15 days. Working together they can finish the work in ?

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