'A'can do a piece of work in 10 days and'B'can do the same work in 15 days. How long will it take ifboth work together ?

'A'can do a piece of work in 10 days and'B'can do the same work in

1.	'A'can do a piece of work in 10 days and'B'can do the same work in 15 days. How long will it take ifboth work together ?
A.	6 days
B.	7 days
C.	8 days
D.	9 days
Answer» B. 7 days

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'A'can do a piece of work in 10 days and'B'can do the same work in 15 days. How long will it take ifboth work together ?

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