GMAT Verbal Section | Re: Brief Guide to Improve Your CR - Part 1

Thanks. That's insightful.

Can you elaborate how do you easily nail down the logical issue in such problems? Many courses recommend finding 'unstated assumptions' before moving onto answer choices. Sometimes it is easy to figure out those assumptions when it is too obvious the gap in reasoning, but for problems involving numbers, percents etc. I end up circling around stimulus and taking more time.

You seem to 'paraphrase' the likely ans without falling in traps which is exactly the things