Question

a solid metal ball of radius 8 cm is melted and cast into smaller balls each of radius 2 cm the number of such balls is ​

Answer 1

Answer:

see the adjoining image

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Answer 2

Answer:

Volume of metal ball=4/3×π×8×8×8

Let n no.of smaller balls be formed .

Volume of 1 smaller ball=4/3×π×2×2×2

volume of n no of smaller ball=n×4/3×π×2×2×2

volume of n no. of balls = volume of metal ball

n×4/3×π×2×2×2=4/3×π×8×8×8

n=64

hope it helps........