A can do a certain job in 12 days. B is 60% more efficient than A. To do the same job B alone would take?

A can do a certain job in 12 days. B is 60% more efficient than A. To

1.	A can do a certain job in 12 days. B is 60% more efficient than A. To do the same job B alone would take?
A.	\(7\frac{1}{2} \) days
B.	8 days
C.	10 days
D.	7 days
Answer» B. 8 days

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A can do a certain job in 12 days. B is 60% more efficient than A. To do the same job B alone would take?

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