$\left[\sqrt[3]{2}\times \sqrt{2}\times \sqrt[3]{3}\times \sqrt{3}\right]$ is equal to
1). $6^{5}$
2). $6^{\frac{5}{6}}$
3). 6
4). None of these
3. The unit digit in the product $(2467)^{155}\times (341)^{72}$ is
4. The rationalising factor of $3\sqrt{3}$ is :
5. $(125)^{\frac{2}{3}}\times (625)^{-\frac{1}{4}}$=$5^{x}$ , then the value of x is
6. The value of $\sqrt{11+2\sqrt{30}}-\frac{1}{\sqrt{11+2\sqrt{30}}}$ is :
8. $\sqrt{8-2\sqrt{15}}$ is equal to
9. The greatest of the numbers $\sqrt[2]{8}$,,$\sqrt[4]{13}$, $\sqrt[5]{16}$, $\sqrt[10]{41}$ is :