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Bunuel
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kungfury42
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kungfury42
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parth04red
kungfury42
(1) x=1/16 does not tell us anything about y, hence we cannot determine what % of y is x. Insufficient.

(2) x/y=4 or x=y/4 tells us that x is 1/4th of y or 25% of y. Sufficient.

Hence, B.

Posted from my mobile device

Answer is B
but x/y = 4 would mean x = 4y
which would give x = 400% of y

Thanks for spotting the error. Kudos for you :)
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