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?	Choose one:
A) 100
B) 272
C) 287
D) 189
E) 289

Rationale: 4 / 3 π * 10 * 10 * 10 = 8 * 4 / 3 π r 3 r = 5 4 π * 5 * 5 = 100 π answer : a
Answer: A