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9th Class Mathematics Related to Competitive Exam Question Bank Arithmetic

  • question_answer
    Calculate the time required to cover 90 km at the speed of 30 km/hr.?

    A)  1 hr.                     

    B)         3 hr.  

    C)  \[\frac{1}{3}\] hr.                           

    D)         30 hr.

    Correct Answer: B

    Solution :

                    Time\[=\frac{Distance}{Speed}\]                        \[=\frac{90}{30}\]                       \[=3\]hours.


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