Question

If $m$ and $n$ are both factors of $75$, which of the following could equal $m+n$

• A. $12$
• B. $18$
• C. $22$
• D. $36$
• E. $54$

Answer 1

The correct option is B $18$

Factors of $75$ are $1,3,5,15,25,75$.

$15$ be $m$ and $3$ be $n$.
So, $m+n$ will be $15+3=18$.