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SSC Sample Paper Mock Test-10 SSC CGL Tear-II Paper-1

  • question_answer
    The area of a circle of a radius 5 cm is numerically what per cent of its circumference?

    A)  200     

    B)  225

    C)  240

    D)  250

    Correct Answer: D

    Solution :

    We know that, circumference \[=2\pi r=2\times \frac{22}{7}\times 5=\frac{220}{7}\] Area \[=\pi {{r}^{2}}=\frac{22}{7}\times 25=\frac{550}{7}\] \[\therefore \] Required answer \[=\frac{550}{7}\times \frac{7}{220}\times 100=250%\]


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