Q. The edge of a cube is increased by 20%. The percentage increase in its total surface area is:

  • (A) 20%
  • (B) 40%
  • (C) 44%
  • (D) 72.8%
✅ Correct Answer: (C) 44%
Explanation: New TSA = (1.2)² = 1.44. Increase = 44%.

Published by Mahesh Chandra ⭐ 7.32K Points at 15-Jul-2026 09:22 pm in Math

Explanation by: Mahesh Chandra
New TSA = (1.2)² = 1.44. Increase = 44%.

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