0 votes 0 votes If $m$ and $n$ are integers divisible by $5$, which of the following is not necessarily true? $m–n$ is divisible $5$. $m^{2}-n^{2}$ is divisible by $25$. $m+n$ is divisible by $10$ None of the above. Quantitative Aptitude cat1997 quantitative-aptitude + – makhdoom ghaya asked May 30, 2017 makhdoom ghaya 8.1k points 526 views answer comment Share See all 0 reply Please log in or register to add a comment.
0 votes 0 votes Let m =10, n = 5 then m + n = 15 which is not divisible by 10. Hence, option C is not necessarily true mudit23june answered Jun 28, 2017 mudit23june 346 points comment Share See all 0 reply Please log in or register to add a comment.