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Discussion :: Number Series

  1. 24, 60, 120, 210, ?

  2. A.

     300

    B.

     336

    C.

     420

    D.

     525

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    Answer : Option B

    Explanation :

    The pattern is + 36, + 60, + 90,.....i.e. + [6 x (6 + 0)], + [6 x (6 + 4)], + [6 x (6 + 9)],...
    So, missing term = 210 + [6 x (6 + 15)] = 210 + 126 = 336.


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