Subject

    Quantitative Aptitude

    Topic

    Number

    What will come in place of the question mark (?) in the following number series? 3, 5, 7, ?, 13, 17, 21

    ক)
    9
    খ)
    10
    গ)
    11
    ঘ)
    8
    ঙ)
    None of these

    Explanation

    The pattern of the given series is: → 3, → 5 = 3 + 2, → 7 = 5 + 2, → ? = 7 + 3, → ? = 10, →13 = 10 + 3, → 17 = 13 + 4, → 21 = 17 + 4

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