Q. The total surface area of a cube is 384 cm². Its volume is:

  • (A) 256 cm³
  • (B) 512 cm³
  • (C) 729 cm³
  • (D) 1024 cm³
✅ Correct Answer: (B) 512 cm³
Explanation: 6a² = 384 ⇒ a² = 64 ⇒ a = 8 cm. Volume = 8³ = 512 cm³.

Published by Mahesh Chandra ⭐ 7.32K Points at 16-Jul-2026 05:31 am in Math

Explanation by: Mahesh Chandra
6a² = 384 ⇒ a² = 64 ⇒ a = 8 cm. Volume = 8³ = 512 cm³.

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