Multiple Choice Questions on The curved surface area of a hemisphere with radius 7 cm is Take ........ for SSC CGL Exam Preparation

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Multiple Choice Questions

The curved surface area of a hemisphere with radius 7 cm is Take ........

Quantitative Aptitude (CGL) Mensuration 3D
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    The curved surface area of a hemisphere with radius 7 cm is: (Take \pi =_{7}^{22} )   

    This questions was previously asked in
    SSC CGL 3rd March 2020 Shift-3
    View All ssc Previous Year Papers

    616cm^{2}

    Incorrect Answer

    385cm^{2}

    Incorrect Answer

    462cm^{2}

    Incorrect Answer

    308cm^{2}

    Correct Answer
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    Explanation:

    The curved surface area of a hemisphere = 2\pi r^{2}

    =2\times _{7}^{22}\times 7\times 7=308cm^{2}

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