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?
Correct Answer: Description for Correct answer:
Ratio of times taken by X
and Y = 160:100=1.6:1
Suppose Y takes y days to do the work.
Then, 1.6:1 :: 16:y
y=\( \Large \frac{16\times1}{1.6} \)=10days
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