BMSAT Kozhikode (QA) PYQs

If $\sqrt{2^n} = 1024$, then $3^{(n/4 - 4)}$ is = ?

If $2^{n+m}/(2^{n-m}) = 16$ and $a = 2^{1/10}$, then, $(a^{2m+n-p})^2/(a^{m-2n+2p})^{-1} = ?$

If $a^p = b^q = c^r = abc$, then $pqr = ?$