A does 2/5 of a work in 9 days. Then B joined him and they together completed the remaining work in 6 days. B alone can finish the whole work in:

A does 2/5 of a work in 9 days. Then B joined him and they together co

1.	A does 2/5 of a work in 9 days. Then B joined him and they together completed the remaining work in 6 days. B alone can finish the whole work in:
A.	\(6\frac{{12}}{{13}}\) days
B.	\(8\frac{2}{{11}}\) days
C.	10 days
D.	18 days
Answer» E.

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A does 2/5 of a work in 9 days. Then B joined him and they together completed the remaining work in 6 days. B alone can finish the whole work in:

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