0 votes 0 votes Let $x, y$ and $z$ be distinct integers, $x$ and $y$ are odd and positive, and $z$ is even and positive. Which one of the following statements cannot be true? $(x − z)^2y$ is even $(x − z)^2y$ is odd $(x − y)y$ is odd $(x − y)^2z$ is even Quantitative Aptitude cat2001 quantitative-aptitude algebra + – go_editor asked Mar 31, 2016 • edited Apr 10, 2022 by Lakshman Bhaiya go_editor 13.9k points 968 views answer comment Share See all 0 reply Please log in or register to add a comment.
Best answer 1 votes 1 votes Option 3 (x-z) as both are odds so subtraction odd from odd is always even (eg. 9-5) And multiplication of two even no.s always even So option 3 is false khushtak answered May 13, 2016 • selected May 13, 2016 by Leen Sharma khushtak 1.1k points comment Share See all 0 reply Please log in or register to add a comment.