Simplify: 52 × 52 - 48 × 48
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. 400.
52 × 52 - 48 × 48
⇒ (52)2 - (48)2 [a2 - b2 = (a + b)(a - b)]
⇒ (52 + 48)(52 - 48)
⇒ 100 × 4 = 400
SSC Selection Post 2023 PYQ — Question 68
SSC Selection Post - Higher Secondary Level 2023 - 27 June 2023 - Shift 3 • Quantitative Aptitude • Q68