How many numbers lie between squares of the following numbers?
$99$ and $100$

Find the square of following number containing $5$ in unit's place.

${15}^2$

Find the square of following number containing $5$ in unit's place.

${95}^2$

Find the square of following number containing $5$ in unit's place.

${105}^2$

Find the square of following number containing $5$ in unit's place.

${205}^2$