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SSC Sample Paper Mock Test-16 SSC CGL Tear-II Paper-1

  • question_answer
    A bicycle wheel makes 5000 revolutions in moving 11 km. Then, the radius of the wheel (in cm) is \[\left( \text{take}\,\,\pi =\frac{22}{7} \right)\]

    A) 70

    B)  35   

    C)  17.5    

    D)  140

    Correct Answer: B

    Solution :

    Let radius of wheel = r cm According to the given condition, \[=2\pi rh=11\,\,\text{km}\] \[\Rightarrow \]   \[2\times \frac{22}{7}\times r\times 5000=11\times 1000\times 100\] \[\Rightarrow \]   \[r=\frac{7\times 11\times 1000\times 100}{2\times 22\times 5000}=35\,\,\text{cm}\] 


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