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CAT 2003 | Question: 2-57
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Quantitative Aptitude
May 4, 2016
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Lakshman Patel RJIT
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Let $x$ and $y$ be positive integers such that $x$ is prime and $y$ is composite. Then,
$y – x$ cannot be an even integer
$xy$ cannot be an even integer.
$\frac{x+y}{x}$ cannot be an even integer
None of these.
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Best answer
A) possible. 12-2 is even integer
B) possible. 3⨉4 is even integer
C)possible (3+9)/3 is even integer
So, Ans D)
srestha
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Leen Sharma
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Your aanser is Right but your example in (c) is worng. (2+4)/2 =3 is an odd number not even.
you can take x= 3 and y=9.
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ok:)
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