If $10^{2y} = 25$,then what is the value of $10^{y}$?

Which of the following is $TRUE$?
$I.$ $\sqrt[3]{11} > \sqrt{7} > \sqrt[4]{45}$
$II.$ $\sqrt{7} > \sqrt[3]{11} > \sqrt[4]{45}$
$III.$ $\sqrt{7} > \sqrt[4]{45} > \sqrt[3]{11}$
$IV.$ $\sqrt[4]{45} > \sqrt{7} > \sqrt[3]{11}$

If $a+b+c=6, a^{2}+b^{2}+c^{2}=14$ and $a^{3}+b^{3}+c^{3}=36,$ then the value of $abc$ is

What approximate value will come in place of the question mark $(?)$ in the given equation? (You are not expected to calculate the exact value)
$2775 \times \frac{160}{\sqrt{?}} = 5550$

Each member of a club contributes as many rupees and as many paise as the number of members of the club. If the total contribution is $Rs. 2525$,then the number of members of the club is:

Which of the following statement$(s)$ is/are $TRUE$?
$I.$ $33^{3} > 3^{33}$
$II.$ $333 > (3^{3})^{3}$