A spherical lead ball of radius 10cm is melted and small lead balls of radius 5

Question

A spherical lead ball of radius 10cm is melted and small lead balls of radius 5mm are made. The total number of possible small lead balls is?

Options:

A . 800

B . 125

C . 400

D . 8000

Answer: Option D

Number of balls

= 8000

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