General GMAT Questions and Strategies | Benefit of "drilling" and reviewing problems vs. new questions

Good question!

It is a good strategy. I only did it for question types I could not solve fast enough such group questions (both/neither). But all I did was drill one question and learn it by heart so I could reproduce the question and solution on the test and so I could plug in other numbers. After memorizing one question, it was enough for me to handle that question type. I did that for a few more so that I could be more mechanical.

I also memorized some arithmetic numbers such as squares
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