Question : If $\sqrt{0.04\times 0.4\times a}=0.004\times 0.4\times \sqrt{b},$ then the value of $\frac{a}{b}$ is:

Question : The value of the following expression $\frac{0.2×0.02×0.002×32}{0.4×0.04×0.004×16}$ is:

Question : The simplified value of $(\sqrt{3}+1)( 10+\sqrt{12})(\sqrt{12}-2)(5-\sqrt{3})$ is:

Question : $\frac{1}{3-\sqrt{8}}-\frac{1}{\sqrt{8}-\sqrt{7}}+\frac{1}{\sqrt{7}-\sqrt{6}}-\frac{1}{\sqrt{6}-\sqrt{5}}+\frac{1}{\sqrt{5}-2}=?$

Question : $\frac{\sqrt{24} + \sqrt{216}}{\sqrt{96}}$ is equal to: