If a hollow sphere of internal and external diameters 4 cm and 8 cm respectively

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If a hollow sphere of internal and external diameters 4 cm and 8 cm respectively is melted into a cylinder of base diameter 8 cm, then the height of the cylinder is :

Options:

A . 4 cm

B . $$\frac{13}{3}$$ cm

C . $$\frac{14}{3}$$ cm

D . 5 cm

Answer: Option C

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