Q. What is the value of 18² – 12²?

  • (A) 108
  • (B) 144
  • (C) 180
  • (D) 216
✅ Correct Answer: (D) 216
Explanation: a² − b² = (a−b)(a+b) = 6×30 = 180 (Correction: 18²=324, 12²=144 → 324−144=180)

Published by Krishna Sharma ⭐ 48.52K Points at 30-Nov-2025 08:31 am in Math

Explanation by: Krishna Sharma
a² − b² = (a−b)(a+b) = 6×30 = 180 (Correction: 18²=324, 12²=144 → 324−144=180)

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