Question

Supoose b is a positive integer such that $\frac{2^4}{b^2}$ is also an integer . What are the possible values if b ?

Answer 1

$b$ is a positive integer.

For, $\frac{2^4}{b^2}=\frac{16}{b^2}$ to be an integer.

$b$ can be $1,2,4$.