Question

If the surface areas of two spheres are in the ratio 16:9, then their volumes will be in the ratio
a) 27: 64
b) 64:27
c) 4:3
d) 3:4​

Answer 1

surface areas= 16:9

thus, sides = √(16:9) = 4:3

and

volume=( 4:3)³ = 64:27