a spherical ball of lead 3 cm in diameter is melted and recast into th | Examsbook

754

Q:
A spherical ball of lead 3 cm in diameter is melted and recast into three spherical balls The diameter of two of these are 1.5 cm and 2 cm respectively. The diameter of the third ball is

1
1.4 cm
2
1.8 cm
3
2.1 cm
4
2.5 cm

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Answer : 4. "2.5 cm"

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