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Discussion :: Time and Clock

  1.  At what time between 8 and 9'o clock will the hands of a clock be in the same straight line. but not together?

    2. A.

    5(5/11)
    B.

    7(2/11)
    C.

    8(1/11)
    D.

    10(1/11)

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    Answer : Option D

    Explanation :

    When the hands of the clock are in the same line, but not together, they are 30 minutes spaces apart.
    At 8'o clock they are 20 min. spaces apart
    minute hand will have to gain only 10 min.spaces
    10 min.spaces are gained in (60/55) × 10 = 120/11 = 10(1/11)
    Required time = 10(1/11) min. past 8

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