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    In the following question, select the missing number from the given series. 75, 77, 81, 89, 105, ?
    Question

    In the following question, select the missing number from the given series.
    75, 77, 81, 89, 105, ?

    A.

    144

    B.

    137

    C.

    130

    D.

    140

    Correct option is B


    77−75=2
    81−77=4
    89−81=8.
    105−89=16.
    SO, 105 +32= 137

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