QA – Placement Quizzes | Mensuration 3D | Question 14

The volumes of two sphere are in the ratio of 64:27. The ratio of their surface areas is:
(A) 1:2
(B) 2:3
(C) 9:16
(D) 16:9


Answer: (D)

Explanation: We have R³:r³ = 4³:3³. Therefore, R²:r² = 4²:3² = 16:9.

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