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5th Class Mathematics Arithmetic Question Bank Arithmetic

  • question_answer
    A boy runs at a speed of\[8\,\,m/s\]. How long does he take to cover a distance of\[1\,\,km\]?

    A) \[100\,\,\sec \]    

    B)        \[125\,\,\sec \]    

    C)        \[12.5\,\,hr\]      

    D)        \[150\,\,\sec \]                

    Correct Answer: B

    Solution :

    Distance \[=1\,\,km=1000\,\,m\] Speed\[=8\,\,m/s\] Time\[\text{=}\frac{\text{Distance}}{\text{Speed}}\]         \[=\frac{1000}{8}=125\,\,\sec \]


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