If x= $1+\sqrt{2}+\sqrt{3}$ then the value of $\left(x+\frac{1}{x-1}\right)$ is
1). $1+2\sqrt{3}$
2). $2+\sqrt{3}$
3). $3+\sqrt{2}$
4). $2\sqrt{3}-1$
4. $2+\frac{6}{\sqrt{3}}+\frac{1}{2+\sqrt{3}}+\frac{1}{\sqrt{3}-2}$ is equal to :
5. The value of $(256)^{0.16}\times (256)^{0.09}$ is
6. The greatest number among $\sqrt[3]{2}$ , $\sqrt{3}$ ,$\sqrt[3]{5}$,and 1.5 is :
7. If $3^{x+y}$=81 and $81^{x-y}$=3, then the value of x is
8. The total number of prime factors in $4^{10}+7^{3}+16^{2}+11+10^{2}$ is :-
10. The simplified form of $(16^{\frac{3}{2}}+16^{\frac{-3}{2}})$ is :