Question

which of the following is a rational number ?
1)
$\sqrt{7}$
2)
$\sqrt{25}$
3)
$\sqrt{ \frac{25}{5} }$

4)
$\sqrt{ \frac{7}{2} }$

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Answer 1

Step-by-step explanation:

$\boxed{ \red{ \boxed{ \green{ \bf{answer \: is \: \sqrt{25 } = 5}}}}}$