GMAT (Subject) / Data Sufficiency (DS) (Lesson)
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- Solving If statement (1) is sufficient, POE answer choices B, C, and E, and keep answer choices A and D.If statement (1) is insufficient, POE answer choices A and D, and keep answer choices B, C, and E. In short: Statement (1)->Sufficient-> ADORStatement (1)->Insufficient-> BCE
- Yes/No Basic Technique Let's review the basics of Yes/No Data Sufficiency questions: Answering a definite "Yes" or "No" Means Sufficient. If the answer is sometimes "Yes" and sometimes "No", it means Maybe which means Insufficient. After that, follow the Data Sufficiency FlowChart to get the final answer.