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Volume and Surface Area of Solid Figures

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  1. If the volume and surface are of a sphere are numerically the same then its radius is ?
    1. 1 unit
    2. 2 unit
    3. 3 unit
    4. 4 unit
Correct Option: C

4/3 πr3 = 4πr2
⇒ r = 3 units.


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