Q. The space diagonal of a cuboid having dimensions 3 cm, 4 cm and 12 cm is:

  • (A) 12 cm
  • (B) 13 cm
  • (C) 15 cm
  • (D) 14 cm
✅ Correct Answer: (B) 13 cm
Explanation: Diagonal = √(3² + 4² + 12²) = √169 = 13 cm.

Published by Mahesh Chandra ⭐ 7.32K Points at 15-Jul-2026 08:12 pm in Math

Explanation by: Mahesh Chandra
Diagonal = √(3² + 4² + 12²) = √169 = 13 cm.

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