question_answer

If \[{{\left( \frac{{{p}^{-1}}{{q}^{-\,2}}}{{{p}^{3}}{{q}^{2}}} \right)}^{\frac{1}{3}}}\div {{\left( \frac{{{p}^{6}}{{q}^{-\,3}}}{{{p}^{-\,2}}{{q}^{3}}} \right)}^{\frac{1}{3}}}\]then the value of a+ b, where p and q are different positive primes, is [SSC CGL Tier II, 2015]

A) \[0\]

B) \[2\]

C) \[-1\]

D) \[1\]