2[(425)² + (375)²] - (425 + 375)² = ?
Show answer & explanation
Correct answer: B
Explanation
Given:
2[(425)² + (375)²] - (425 + 375)²
According to the formula:
2(a² + b²) - (a + b)² = (a - b)²
= (425 - 375)²
= (50)²
= 2500
SSC MTS - 18 Feb 2026 - Shift 3 • Quantitative Aptitude • Q9
2[(425)² + (375)²] - (425 + 375)² = ?
Correct answer: B
Explanation
Given:
2[(425)² + (375)²] - (425 + 375)²
According to the formula:
2(a² + b²) - (a + b)² = (a - b)²
= (425 - 375)²
= (50)²
= 2500