A hollow spherical metallic ball has an external diameter 6 cm and is $$\frac{1}

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A hollow spherical metallic ball has an external diameter 6 cm and is $$\frac{1}{2}$$ cm thick. The volume of metal used in the ball is :

Options:

A . $$37\frac{2}{3}{\text{ c}}{{\text{m}}^3}$$

B . $$40\frac{2}{3}{\text{ c}}{{\text{m}}^3}$$

C . $$41\frac{2}{3}{\text{ c}}{{\text{m}}^3}$$

D . $$47\frac{2}{3}{\text{ c}}{{\text{m}}^3}$$

Answer: Option D

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