$4^{61}+4^{62}+4^{63}+4^{64}$ is divisible by
1). 17
2). 3
3). 11
4). 13
1. $\sqrt{12+\sqrt{12+\sqrt{12+.....}}}$ is equal to
2. $\sqrt{2+\sqrt{2+\sqrt{2+.....}}}$ is equal to
3. Simplify : $\left[64^{\frac{2}{3}}\times 2^{-2}+8^{0}\right]^{\frac{1}{2}}$
4. The greatest number among $\sqrt[3]{2}$ , $\sqrt{3}$ ,$\sqrt[3]{5}$,and 1.5 is :
5. The largest number among $\sqrt{2}$, $\sqrt[3]{3}$,$\sqrt[4]{4}$ is :
6. The value of $\sqrt{2\sqrt[3]{4\sqrt{2\sqrt[3]{4\sqrt{2\sqrt[3]{4...........}}}}}}$ is :
7. The value of : $\sqrt{-\sqrt{3}+\sqrt{3+8\sqrt{7+4\sqrt{3}}}}$
9. The value of $\frac{(243)^{\frac{n}{5}}\times 3^{2n+1}}{9^{n}\times 3^{n-1}}$ is