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Discussion :: Number Series

  1. 1, 5, 14, 30, 55, 91, ?

  2. A.

     130

    B.

     140

    C.

     150

    D.

     160

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    Answer : Option B

    Explanation :

    The pattern is + 4, + 9, + 16, + 25, + 36, ..... i.e. + 22, + 32, + 42, + 52, + 62,.....
    So, missing term = 91 + 72 = 91 + 49 = 140.


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