Multiple Choice Questions on A sphere and a cube have same surface area The ratio of square of their volumes is ........ for CDS Exam Preparation

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Multiple Choice Questions

A sphere and a cube have same surface area The ratio of square of their volumes is ........

Quantitative Aptitude (CDS) Mensuration 3D
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    A sphere and a cube have same surface area. The ratio of square of their volumes is

    6 : \pi

    Correct Answer

    5 : \pi

    Incorrect Answer

    3 : 5

    Incorrect Answer

    1 : 1

    Incorrect Answer
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    Explanation:

    Let the radius of the sphere be r units and the edge of the cube be a units
    ∴4πr2=6a2

    Thus, the ratio of the squaresof their volumes is 6:π.
     

    By: Munesh Kumari
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