If $$ {(\sqrt {3})^{5}× {9}^{2}={3^{n}{×3\sqrt {3}}}}$$ then value of n 

If $$ \sqrt{0.04×0.4×a} =0.4×0.04×{\sqrt{b}}$$ then the value of $$ {a\over b}$$ is:

The value of which one of the following fractions falls in between $$ {3\over 5}$$ and $$ {7\over 8}$$?

What is the value of a⁵ × a⁷ ?

$$ {5^{1\over 4}×(125)^{0.25}}$$ is equal to

If $$ {(2x-5y)^{3}-(2x+5y)^{3}=y{[A{x}^{2}+B{y}^{2}]}}$$, then what is the value of $$ {(2A-B)}$$?

Find out the value of $$ {\sqrt{(121)}} +{\sqrt{(12321)}}+{\sqrt{(1234321)}}$$.

$$ {({1\over25})^{-1\over2}}+{({8\over 27})^{-1\over3}}$$