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SSC Sample Paper SSC CGL - Sample Paper-20

  • question_answer
    The number of revolutions made by a wheel of diameter 56 cm in covering a distance of 1.1 km is \[\left( Use\,\,\pi =\frac{22}{7} \right)\]

    A) 31.25               

    B) 56.25

    C) 625      

    D) 62.5

    Correct Answer: C

    Solution :

    \[\therefore \] Radius of wheel \[=28\,cm\] \[\therefore \] Circumference of wheel \[=\text{ }2\pi \times 28\]                                     \[=2\times \frac{22}{7}\times 28\]                                     \[=176\,cm\] \[\therefore \] Number of revolutions \[=\frac{110000}{176}=625\]             


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