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?
Select the correct option.
A) 100 pi  B) 300 pi  C) 70 pi  D) 90 pi  E) 200 pi
4/3 Ï€ * 10 * 10 * 10 = 8 * 4/3 Ï€r3   r = 5   4Ï€ * 5 * 5 = 100Ï€   100 piNSWER 100 pi
<result>A</result>
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?