Borrat
this problem is rated easy on OG 2024-2025. why the discrepancy with gmatclub
At GMAT Club, the difficulty level of a question is determined
automatically once there are enough attempts via the Timer. It’s based on several parameters from users’ activity, such as the percentage of correct answers and the average time taken.
So while our categorization (Easy, Medium, Hard)
generally lines up with the Official Guide’s classification, it’s not always identical because it reflects actual performance data from our pool of users.