Question

The number $45$ can not be expressed as

• A. $\frac{90}{2}$
• B. $3\times 15$
• C. $5\times 9$
• D. None of these

Answer 1

The correct option is D None of these

As 45 number can be expressed as

$45$=$\frac{90}{2}$

$45$=$3\times 15$

$45$=$5\times 9$

So correct answer is (D)