0 votes 0 votes 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. Quantitative Aptitude cat2003-2 quantitative-aptitude algebra + – go_editor asked May 4, 2016 edited Mar 31, 2022 by Lakshman Bhaiya go_editor 13.8k points 1.0k views answer comment Share See all 0 reply Please log in or register to add a comment.
Best answer 1 votes 1 votes 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 answered May 4, 2016 selected May 14, 2016 by Leen Sharma srestha 5.2k points comment Share See all 2 Comments See all 2 2 Comments reply Leen Sharma 11.5k points commented May 4, 2016 reply Share 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. 1 votes 1 votes srestha 5.2k points commented May 14, 2016 reply Share ok:) 0 votes 0 votes Please log in or register to add a comment.