Q. What is the value of 15² − 10²?
✅ Correct Answer: (B)
125
Explanation: Using a² − b² = (a + b)(a − b) → (15 + 10)(15 − 10) = 25 × 5 = 125.
Explanation by: Mr. Dubey
Using a² − b² = (a + b)(a − b) → (15 + 10)(15 − 10) = 25 × 5 = 125.