Q. The ratio of the volumes of two spheres is 125 : 343. The ratio of their surface areas is:
✅ Correct Answer: (A)
25 : 49
Explanation: Radius ratio = 5:7. Surface area ratio = 5²:7² = 25:49.
Explanation by: Mahesh Chandra
Radius ratio = 5:7. Surface area ratio = 5²:7² = 25:49.