JEE Math Practice Question

Let $${a_1}$$, $${a_2}$$, $${a_3}$$.....be terms on A.P. If $${{{a_1} + {a_2} + .....{a_p}} \over {{a_1} + {a_2} + .....{a_q}}} = {{{p^2}} \over {{q^2}}},\,p \ne q,\,then\,{{{a_6}} \over {{a_{21}}}}\,$$ equals

1. A.$${{41} \over {11}}$$
2. B.$${7 \over 2}$$
3. C.$${2 \over 7}$$
4. D.$${{11} \over {41}}$$