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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-8

  • question_answer
    If the volume and the surface area of a sphere are numerically equal, then the numerical value of the radius of the sphere is

    A)  3                                

    B)  4

    C)  1                                

    D)  2

    Correct Answer: A

    Solution :

     Volume of sphere = curved surface of sphere \[\Rightarrow \]\[\frac{4}{3}\pi {{r}^{3}}=4\pi {{r}^{2}}\]\[\Rightarrow \]\[r=3\] units


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