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Summary

This content delves into common mistakes made on GMAT data sufficiency questions, offering insights and strategies to avoid these pitfalls.

- Understanding the direction of logic is crucial; avoid using backwards logic to interpret data sufficiency questions.
- Do not assume all numbers are positive integers or integers at all unless explicitly stated.
- Be aware of mathematical exceptions and how they can impact the sufficiency of data provided.
- Analyze each statement independently without carrying information over from one to the other.
- Learning from mistakes is essential for improvement; always seek to understand and correct errors rather than dismissing them.

Chapters

00:00

Understanding Direction of Logic

01:50

Assumptions About Numbers

03:30

Mathematical Exceptions

07:07

Independent Analysis of Statements