Find three different irrational numbers between the rational numbers $\frac{1}{4}$ and $\frac{4}{5}$.
If $\sqrt{2}=1.4142,$ then evaluate $\sqrt{5} \div \sqrt{10}$ correct to four decimal places.
For each question, select the proper option from four options given, to make the statement true : (Final answer only)
$\left(5^{\frac{3}{4}}\right)^{\frac{4}{3}}=\ldots \ldots \ldots$
Rationalise the denominator of the following:
$\frac{2}{3 \sqrt{3}}$
Add $: 0 . \overline{3}+0.4 \overline{7}$