Q. 5

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Volume of a cube = side3

Volume of a sphere = (4/3)πr3

Given, edge of a cube is 22 cm and the bullet are of 2 cm diameter

Thus, volume of the cube = 22 × 22 × 22 = 10648 cm3

Volume of each bullet = (4/3) × (22/7) × 13 = 4.19 cm3

No. of bullet that can be made out of the cube of lead = 10648/4.19 = 2541

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