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Sequences and Series question

2006 · Shift 0 · Q75
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Sequences and Series question

2006 · Shift 0 · Q75

JEE MainMathematicsSequences and SeriesMCQ+4 / −1
Let a1{a_1}a1​, a2{a_2}a2​, a3{a_3}a3​.....be terms on A.P. If a1+a2+.....apa1+a2+.....aq=p2q2, peq, then a6a21 {{{a_1} + {a_2} + .....{a_p}} \over {{a_1} + {a_2} + .....{a_q}}} = {{{p^2}} \over {{q^2}}},\,p e q,\,then\,{{{a_6}} \over {{a_{21}}}}\,a1​+a2​+.....aq​a1​+a2​+.....ap​​=q2p2​,peq,thena21​a6​​ equals
  1. A
    4111{{41} \over {11}}1141​
  2. B
    72{7 \over 2}27​
  3. C
    27{2 \over 7}72​
  4. D
    1141{{11} \over {41}}4111​
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