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By admin Mathematics Mcqs Volumes No Comments

If a solid sphere of radius 10 cms is moulded into 8 spherical solid balls of equal radius, then surface area of each ball (in cm²) is________?

A. 100π
B. 7π
C. 60π
D. 50π

4/3 π * 10 * 10 * 10 = 8 * 4/3 πr³

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r = 5

4π * 5 * 5 = 100π

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