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5th Class Mental Ability Arithmetical Reasoning Question Bank Arithmetical Reasoning

  • question_answer
    The hour hand of a watch rotates 30 degrees every hour. How many complete rotations does the hour hand make in 6 days?

    A)  6                                

    B)  12

    C)  14                              

    D)  18

    Correct Answer: B

    Solution :

    There are 360 degrees in a complete circle. So, 360 / 30 =12 hours to make one full circle. In 6 days there are 24 hours\[\times 6=144\]hours total. The total number of rotations will be\[144/12=12\].


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