A sphere of radius 'r' is melted to form a cone of the same radius. What is the ratio of t….

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A sphere of radius 'r' is melted to form a cone of the same radius. What is the ratio of the total surface area of the sphere to that of the cone?

Options :-

1. 4 :
2. 4 :
3. 4 :
4. 4 :

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