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Discussion :: Number Series

  1. What will come at the place of question mark ?
    9, 17, 33, 65, ?

    2. A.

     117
    B.

     119
    C.

     129
    D.

     99

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    Answer : Option C

    Explanation :

    First term → 9

    Second term → (9 *2 -1) = 17

    Third term → (17 *2 -1) = 33

    Fourth term → (33 *2 -1) = 65

    Fifth term → (65 *2 -1) = 129
     

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