Match the statements given in Column -$I$ with the values given in Column-$II.\,\,\,\,\,\,\,\,\,\,\,\,$ Column-$I$(A) $\,\,\,\,$ If $$\overrightarrow a = \widehat j + \sqrt 3 \widehat k,\overrightarrow b = - \widehat j + \sqrt 3 \widehat k$$ and $\overrightarrow c = 2\sqrt 3 \widehat k$ form a triangle, then the internal angle of the triangle between $\overrightarrow a$ and $\overrightarrow b$ is (B) $\,\,\,\,$ If $$\int\limits_a^b {\left( {f\left( x \right) - 3x} \right)dx = {a^2} - {b^2},}$$ then the value of $f$$$\left( {{\pi \over 6}} \right)$$ is (C) $\,\,\,\,$ The value of $${{{\pi ^2}} \over {\ell n3}}\int\limits_{7/6}^{5/6} {\sec \left( {\pi x} \right)dx}$$ is (D) $\,\,\,\,$ The maximum value of $$\left| {Arg\left( {{1 \over {1 - z}}} \right)} \right|$$ for $$\left| z \right| = 1,\,z e 1$$ is given by $\,\,\,\,\,\,\,\,\,\,\,\,$ Column-$II$ (p) $\,\,\,\,{{\pi \over 6}}$ (q) $\,\,\,\,{{2\pi \over 3}}$ (r) $\,\,\,\,{{\pi \over 3}}$ (s) $\,\,\,\,\pi$(t) $\,\,\,\,{{\pi \over 2}}$