Which of the following is an irrational number?

Decimal expansion of which of the following is non-terminating recurring?

Every point on the number line represent, which of the following numbers?

The number $0.\overline{4}$ in $\frac{p}{q}$ form is:

What is $\sqrt{n}$, if n is not a perfect square number?

Which of the following is not a surd?

What is the order of the surd $\sqrt[3]{\sqrt{5}}$?

Which one is the conjugate pair of $2\sqrt{5}+\sqrt{3}$?

The value of $|12–(13+7)\times 4|$ is