The surface areas of two sphere are in the ratio 1 : 4 then the ratio of their volumes is
A. 1 : 4
B. 1 : 8
C. 1 : 16
D. 1 : 64
Answer:B
The surface areas of two sphere are in the ratio 1 : 4 then the ratio of their volumes is
A. 1 : 4 B. 1 : 8 C. 1 : 16 D. 1 : 64