What is the ratio of surface areas of two spheres whose radii are in the ratio 2:3?
Show answer & explanation
Correct answer: D
Explanation
Surface area of a sphere = 4πr²
Therefore, the ratio of surface areas = 2² : 3²
= 4 : 9
SSC Selection Post 2025 PYQ — Question 27
SSC Selection Post - Higher Secondary Level - 2nd August 2025 - Shift 2 • Quantitative Aptitude • Q27