The value of $\frac{(243)^{\frac{n}{5}}\times 3^{2n+1}}{9^{n}\times 3^{n-1}}$ is
1). 3
2). 9
3). 6
4). 12
2. Simplify : $\frac{5.32\times 56 + 5.32\times 44}{(7.66)^{2}-(2.34)^{2}}$
3. The exponential form of $\sqrt{\sqrt{2}\times \sqrt{3}}$ is
4. What to the product of the roots of the equation $x^{2}-\sqrt{3}$=0
5. If a = $7-4\sqrt{3}$ , then the value of $a^{\frac{1}{2}}+a^{-\frac{1}{2}}$ is :
6. $\frac{(3.06)^{3}-(1.98)^{3}}{(3.06)^{2} + 3.06\times 1.98 + (1.98)^{2}}$ is equal to :
7. Thc greatest one of $\sqrt{4}$ ,$\sqrt[3]{4}$,$\sqrt[4]{6}$ and $\sqrt[6]{8}$ is