Question

    What is the reflex angle between the hands of a clock at

    15 minutes past 5?
    A 292*1/2° Correct Answer Incorrect Answer
    B 157*1/2° Correct Answer Incorrect Answer
    C 235*1/2° Correct Answer Incorrect Answer
    D 112*1/2° Correct Answer Incorrect Answer

    Solution

    Angle traced by hour hand 21/4 hours = (360/12×21/4) = 157*1/2° Angle traced by minute hand 15 minutes = (360/60×15) = 90° ∴ Reflex angle = (360° – (157*1/2° - 90°) = 292*1/2°

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