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Discussion :: Number Series

  1. Find out the wrong term: 1, 5, 5, 9, 7, 11, 11, 15, 12, 17

  2. A.

     11

    B.

     12

    C.

     17

    D.

     15

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    Answer : Option B

    Explanation :

    The given sequence is a combination of two series :
    I: 1, 5, 7, 11, 12 and
    II: 5, 9, 11, 15, 17
    The pattern in both I and II is + 4, + 2, + 4, + 2,

    So, 12 is wrong and must be replaced by (11 + 2) i.e., 13.


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