Question

the number of spherical balls each of radius 1 cm made from a solid sphere of lead of radius 4 cm is 64​

Answer 1

Explanation:

Radius of sphere =4 cm

Vol. of sphere =4/3*π*r^3 = 268.19 cm^3

Radius of ball =1cm

Vol. of ball = 4/3*π*r^3 = 4.19 cm^3

No.of balls = 268.19 / 4.19 = 64

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Answer 2

Answer:

64

Explanation:

radius of sphere = 4cm

volume of sphere = 4/3 ×22/7×r^3

radius of ball =1cm

volume of ball=4/3×22/7 ×r^3

no.of balls =268.19/4.19 =64

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