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SSC Sample Paper SSC CGL - Sample Paper-6

  • question_answer
    The area of the biggest circle which can be drawn inside a square with a side of 21 cm, is \[\left( take\pi =\frac{22}{7} \right)\]

    A)  \[344.5\,\,c{{m}^{2}}\]                      

    B)  \[364.5\,\,c{{m}^{2}}\]

    C)  \[346.5\,\,c{{m}^{2}}\]

    D)  \[366.5\,\,c{{m}^{2}}\]

    Correct Answer: C

    Solution :

    Diameter of circle \[=21\,cm\] \[\therefore \] Radius of circle \[=\frac{21}{2}\,cm\] Area of circle \[=\pi {{\left( \frac{21}{2} \right)}^{2}}=\frac{22}{7}\times \frac{21}{2}\times \frac{21}{2}\]                         \[=346.5\,c{{m}^{2}}\]                       


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