Subject

    Quantitative Aptitude

    Topic

    Number

    What should come in place of question mark (?) in the following number series? 705      728      774      843      935      1050    ?

    ক)
    1188
    খ)
    1180
    গ)
    1185
    ঘ)
    1187
    ঙ)
    None of these

    Explanation

    In the given series, the difference between two consecutive numbers is as follows: → 728 – 705 = 23 → 774 – 728 = 46 → 843 – 774 = 69 → 935 – 843 = 92 → 1050 – 935 = 115 Hence it can be concluded that these differences are increasing in every next step by 23. ∴ Next difference must be equal to 115 + 23 = 138. Let X is the next required term in given series. Then, → X – 1050 = 138 → X = 1188 Hence the required term in given number series is 1188.

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