Fill in the blanks so as to make each of the following statements true (Final answer only)

$\sqrt{49}=\ldots \ldots$

Find three rational numbers between

$0.1$ and $0.11$

Find the value of $b$ :

$\frac{\sqrt{2}+\sqrt{3}}{3 \sqrt{2}-2 \sqrt{3}}=2-b \sqrt{6}$

Find three different irrational numbers lying between $\sqrt{3}$ and $\sqrt{5}$.

Rationalise the denominator of the following:

$\frac{\sqrt{6}}{\sqrt{2}+\sqrt{3}}$

Express the following in the form $\frac{p}{q},$ where $p$ and $q$ are integers and $q \neq 0 .$

$0 . \overline{125}$