The product of 277 and 323 is:
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e. 89471.
a2 - b2 = (a + b)(a - b)
⇒ 277 × 323
⇒ (300 - 23)(300 + 23)
⇒ 3002 - 232
⇒ 90000 - 529 = 89471
SSC CGL 2023 PYQ — Question 60
SSC CGL - 17 July 2023 - Shift 3 • Quantitative Aptitude • Q60