Question

    At what angle the hands of a clock are inclined at 25

    minutes past 9?
    A 150⁰ Correct Answer Incorrect Answer
    B 132*1/2⁰ Correct Answer Incorrect Answer
    C 282*1/2⁰ Correct Answer Incorrect Answer
    D 125⁰ Correct Answer Incorrect Answer

    Solution

    Angle traced by hour hand 113/12 hours = 360/60 × `113/12` = 282 1/2 ⁰ Angle traced by minute hand in 25 minutes = (360/60 × 25) = 1500` ` Required angle = 282 `1/2` ⁰ - 1500= 132 (1/2)0 Alternate method: θ=11/2 M-30H= 11/2×25-30×9=137.5-270=132.5

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