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Discussion :: Number Series

  1. 61, 57, 50, 61, 43, 36, 61, ... choose which pair of numbers comes next?

    2. A.

     29, 61
    B.

     27, 20
    C.

     31, 61
    D.

     22, 15
    E.

     29, 22

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    Answer : Option E

    Explanation :

    This is an alternating repetition series, in which a random number, 61, is interpolated as every third number into an otherwise simple subtraction series. Starting with the second number, 57, each number (except 61) is 7 less than the previous number.

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