'A' and 'B' together can do a piece of work in 4 days. If 'A' alone can do it in 6 days. i.e., in how many days 'B' can alone complete the same piece of work?

'A' and 'B' together can do a piece of work in 4 days. If 'A' alone ca

1.	'A' and 'B' together can do a piece of work in 4 days. If 'A' alone can do it in 6 days. i.e., in how many days 'B' can alone complete the same piece of work?
A.	16
B.	8
C.	12
D.	9
Answer» D. 9

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'A' and 'B' together can do a piece of work in 4 days. If 'A' alone can do it in 6 days. i.e., in how many days 'B' can alone complete the same piece of work?

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