Railways Quantitative Aptitude Mensuration Sample Paper Mensuration Sample Test Paper-16

  • question_answer
    In the figure ABCD is a square with side 10. BFD is an arc of a circle with centre C. BGD is an arc of a circle with centre A. The area of the shaded region is

    A)  \[50-50\,\,\pi \]

    B)  \[100-75\,\,\pi \]

    C)  \[50\,\,\pi -100\]

    D)  \[100\,\,\pi -75\]

    Correct Answer: C

    Solution :

    [c] The area of the shaded region  \[=2\times Area\,o\text{f}\,\operatorname{sector}-Area\,o\text{f}\,\text{square}\] \[=(50\pi -100)\,\,\,units\]


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