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Discussion :: Time and Clock

  1.  How many times are the hands of a clock are at right angle in a day?

  2. A.

    11 times

    B.

    22 times

    C.

    33 times

    D.

    44 times

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    Answer : Option D

    Explanation :

    In 12 hours the hour and minute minute hands are at right angles for 22 times.
    In a day they are 44 times.


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