Subject

    Quantitative Aptitude

    Topic

    Number

    What will come in place of the question mark (?) in the following number series? 8  72  288 (?)  1800 3528

    ক)
    850
    খ)
    800
    গ)
    1000
    ঘ)
    820
    ঙ)
    None of these

    Explanation

    The pattern of given series is: → 8 = 2 3 , → 72= 2 3 + 4 3 , → 288 = 2 3 + 4 3 + 6 3 , → ? = 2 3 + 4 3 + 6 3 + 8 3 , → ? = 800 → 1800 = 2 3 + 4 3 + 6 3 + 8 3 + 10 3 , → 3528= 2 3 + 4 3 + 6 3 + 8 3 + 10 3 + 12 3 , Thus, the missing number is 800

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