State whether each of the following statements is true or false
$(-5)^{2}=-25$
Rationalise the denominator in each of the following and hence evaluate by taking $\sqrt{2}=1.414, \sqrt{3}=1.732$ and $\sqrt{5}=2.236,$ upto three places of decimal.
$\frac{\sqrt{10}-\sqrt{5}}{2}$
For each question, select the proper option from four options given, to make the statement true : (Final answer only)
$.............$ is a rational number between $7$ and $8 .$
Simplify the following:
$(\sqrt{3}-\sqrt{2})^{2}$
Find three rational numbers between $\frac{2}{3}$ and $\frac{4}{5}$.