Question
If a solid sphere of radius 10 cm is moulded into 8 spherical solid balls of equal radius hen he radius of each such ball is :
Answer: Option D
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Volume of each ball = `1/8 xx ( 4/3 pi xx 10 xx 10 xx 10 )cm^3`
`:.` `4/3 pi R^3 = 1/8 xx 4/3 pi xx 10 xx 10 xx 10`
`rArr R^3 = (10/2)^3`
`rArr R^3 = 5^3`
`rArr R = 5`.
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