"If m and n are integers divisible by 5, which of the following is not necessarily true
Channel: Doubtnut
Date: 05/04/2020

"If m and n are integers divisible by 5, which
 of the following is not necessarily true?
`m+n\ `
is
 divisible by 10 (b) `m-n`
is
 divisible by 5
`m^2-n^2`
is
 divisible by 25 (d) `Non e\ of\ t h e s e`"