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SSC Sample Paper SSC CGL - Sample Paper-20

  • question_answer
    The radius of a wheel that makes 113 revolutions to go 2 km 26 dm is\[\left( \text{Take}\,\,\pi =\frac{22}{7} \right)\]

    A) \[4\frac{4}{13}m\]                    

    B) \[6\frac{4}{11}m\]

    C) \[12\frac{4}{11}m\]                  

    D) \[3\frac{2}{11}m\]

    Correct Answer: D

    Solution :

    Circumference of wheel\[=\frac{2260}{113}=20\,m\] Let r be the radius of wheel.             \[2\pi r=20\] \[\Rightarrow \]   \[r=\frac{20\times 7}{22\times 2}=3\frac{2}{11}m\]  


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