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Discussion :: Number Series

  1. 28, 25, 5, 21, 18, 5, 14, ... choose which pair of numbers comes next?

    2. A.

     11, 5
    B.

     10, 7
    C.

     11, 8
    D.

     5, 10
    E.

     10, 5

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    Answer : Option A

    Explanation :

    This is an alternating subtraction series with the interpolation of a random number, 5, as every third number. In the subtraction series, 3 is subtracted, then 4, then 3, and so on.

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