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SSC Sample Paper SSC CGL - Sample Paper-6

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

    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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