X can do a work in 16 days. In how many days will the work be completed by Y, if the efficiency of Y is 60% more than that of X?

X can do a work in 16 days. In how many days will the work be compl

1.	X can do a work in 16 days. In how many days will the work be completed by Y, if the efficiency of Y is 60% more than that of X?
A.	10 days
B.	12 days
C.	25 days
D.	30 days
Answer» B. 12 days

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X can do a work in 16 days. In how many days will the work be completed by Y, if the efficiency of Y is 60% more than that of X?

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