Practicing Success
CUET Preparation Today
CUET
General Test
Numerical Ability
A and B are two numbers such that A > B and their LCM is 209. The value of A2 - B2 is:
120
240
360
540
A × B = 209 = 11 × 19 (only values that satisfy the condition)
Therefore,
A2 - B2 = (19)2 - (11)2
= 361 - 121 = 240