Question

The number of bullets of diameter 0.4cm That can be made from a sphere of radius 8cm is

Answer 1

40 bullets can be made

Answer 2

Let n = no. of bullets

pi x (0.4)^3 x 'n' = pi x (8)^3

0.064 x 3 x n = 64 x 24

n = 64 x 24 / 0.064 x 3

n = 8000


therefore, 1000 bullets can be made.