Subject

    Quantitative Aptitude

    Topic

    Triangle

    The reflex angle between the hands of a clock at 25 is:

    ক)
    1800
    খ)
    192(1/2)0
    গ)
    1950
    ঘ)
    197(1/2)0

    Explanation

    Angle traced by hour hand in 125/25 hrs={(360/12) × (125/12)}0 = 312(1/2)0 Angle traced by minute hand in 25 min = ((360/60) ×25)0= 1500 So, Reflex angle = 3600 – (312(1/2) - 150)0 = 3600 – 162(1/2)0 = 197(1/2)0

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