SSC Sample Paper SSC CGL - Sample Paper-2

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

    A)  31.25              

    B)  56.25

    C)  625                 

    D)  62.5

    Correct Answer: C

    Solution :

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

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