Answers

2015-04-04T14:11:50+05:30
Let r1 and r2 be the radius of the two spheres.
4/3 π r1³ : 4/3 π r2³ = 27 : 8
r1³ : r2³ = 27 : 8
r1 : r2 = ∛ 27 : 8
r1 : r2 = 3 : 2

Ratio of surface area = 4πr1² : 4πr2² 
= r1² : r2² = 3² : 2² = 9 : 4
2 2 2