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Discussion :: Number Series

  1. Find the missing term: 2, 7, 27, 107, 427, ?

    2. A.

     1262
    B.

     1707
    C.

     4027
    D.

     4207

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    Answer : Option B

    Explanation :

    The pattern is +5, +20, +80, +320
    i.e. +(5 × 12 ), +(5 × 22 ), +(5 × 42 ), +(5 × 82 )
    So, missing term = 427 + +(5 × 162 ) = 427 +1280 = 1707

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