$\frac{2.3\times 2.3\times 2.3-1}{23\times 2.3+ 2.3+1}$ is equal to :
1). 1.3
2). 3.3
3). 0.3
4). 2.2
2. The value of $\sqrt{\frac{(\sqrt{12}-\sqrt{8})(\sqrt{3}+\sqrt{2})}{5+\sqrt{24}}}$ is :
5. Evaluate : $\frac{\sqrt{24}+\sqrt{6}}{\sqrt{24}-\sqrt{6}}$
6. The number of prime factors in $6^{333}\times 7^{222}\times 8^{111}$
7. $4^{61}+4^{62}+4^{63}+4^{64}$ is divisible by
8. $\frac{2.3\times 2.3\times 2.3-1}{23\times 2.3+ 2.3+1}$ is equal to :