Question

If volumes of two spheres are in the ratio 64 : 27, then the ratio of their surface areas is

Answer 1

here the answer
.........

Answer 2

Answer:

volume of sphere=4/3πr^3

ratio=r^3/R^3=64/27

r/R=4/3

surface area=4πr^2

r^2/R^2=16/9