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Re: Is xy a multiple of 48? (1) x is a multiple of 4 (2) y is a multiple
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09 Aug 2019, 11:14
XY should be of the form 2^4.3.p where p is a natural number.
Statement 1: X is multiple of 4 => x = 2^2.q where q is a natural number; we are not sure about Y.........Not Sufficient
Statement 2: Y is multiple of 6 => y = 2.3.r where r is a natural number; we are not sure about the value of X ......Not Sufficient.
Taking both the statements together: XY = 2^2.q.2.3.r => 2^3.3.q.r = 24.q.r => XY is a multiple of 24 but we can not say it's a multiple of 48 because q and r are variables here.
Hence both statements are not sufficient. The answer should be E
gmatclubot
Re: Is xy a multiple of 48? (1) x is a multiple of 4 (2) y is a multiple
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09 Aug 2019, 11:14
close
76% (00:46) correct 
