Subject

    Quantitative Aptitude

    Topic

    Triangle

    At what time between 9 and 10 o'clock will the hands of a watch be together?

    ক)
    45 min. past 9
    খ)
    50 min. past 9
    গ)
    49(1/11) min. past 9
    ঘ)
    48(2/11) min. past 9

    Explanation

    To be together between 9 and 10 o'clock, the minute hand has to gain 45 min. spaces. 55 min. spaces gained in 60 min. 45 min. spaces are gained in ((60/55) × 45) min or 49(1/11) min. So, The hands are together at 49(1/11) min. past 9.

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