Subject

    Quantitative Aptitude

    Topic

    Clock

    The angle between the minute hand and the hour hand of a clock when the time is 4.15 is

    ক)
    0
    খ)
    37.5
    গ)
    27
    ঘ)
    15

    Explanation

    Angle between hands of a clock When the minute hand is behind the hour hand, the angle between the two hands at M minutes past H 'o clock = 30(H−M5)+M230\left(\mathrm H-\frac{\mathrm M}5\right)+\frac{\mathrm M}2 degrees Here H = 4, M = 15 and the minute hand is behind the hour hand. Hence the angle = 30[4-(15/5)]+15/2 = 30(1)+7.5 = 37.5 degrees

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