SSC CGL 2022 PYQ — Question 58

SSC CGL - 12 April 2022 - Shift 3 • Quantitative Aptitude • Q58

A and B are two prime numbers such that A > B and their LCM is 209. The value of A2 - B is:

Show answer & explanation

Correct answer: A

Explanation

The correct answer is option 1 i.e. 350

LCM of the two numbers = 209 = 19 × 11

The two numbers are 19 and 11

A = 19 and B = 11

A2 - B = 192 - 11 = 361 - 11 = 350