The value of $$ {4^{10+n}}.{16^{3n-4}}\over4^{7n}$$ is:

$$ \sqrt{217+\sqrt{48+\sqrt{256}}}=?$$

If $$  3 ^{2x-y}=3^{x+y}=\sqrt{27}$$ then the value of y is

If $$ {2^{2n-1}}={1\over8^{n-3}}$$,then the value of n is:

If 3 ^(X-Y)=27 and 3 ^(X+Y)=243, then X is equal to:

If 5^a=3125, then the value of 5^(a-3) is:

Greatest among the numbers
$$^{3}\sqrt{9},\sqrt{3},\ ^{4}\sqrt{16},\ ^{6}\sqrt{180}$$ is

If $$ (3^{33}+3^{33}+3^{33})(2^{33}+2^{33})=6^x$$, the what is the value of x?