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5th Class Mental Ability Arithmetical Reasoning Question Bank Arithmetical Reasoning

  • question_answer
    If a clock takes seven seconds to strike seven, how long will it take to strike ten?

    A)  5 seconds                   

    B)  7 seconds

    C)  9 seconds                   

    D)  None of these

    Correct Answer: D

    Solution :

     Here, seven strike of a clock have 6 intervals while 10 strikes have 9 intervals. Therefore, required time\[=7/6\times 9\] seconds \[=10{\scriptstyle{}^{1}/{}_{2}}\] seconds.


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