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If a solid sphere of radius 10 cm is ...

If a solid sphere of radius 10 cm is moulded into 8 spherical solid balls of equal radius, then the surface area of each ball is `50pi\ c m^2` (b) `60pi\ c m^2` (c) `75pi\ c m^2` (d) `100pi\ c m^2`

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RS AGGARWAL-VOLUME AND SURFACE AREAS-All Questions
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