# Introduction to GMAT Data Sufficiency Lesson - Videos

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In “Introduction to GMAT Data Sufficiency Lesson”, we cover the basics of one of the hardest question types on the GMAT: Data Sufficiency. The topics addressed in this introduction to GMAT video are:

0:44 Overview of GMAT Quant
3:17 Structure of Data Sufficiency questions
6:20 What is Sufficiency?
9:53 What’s the Point of Data Sufficiency?
13:03 How to Approach Data Sufficiency Questions
21:10 Data Sufficiency Strategies

In “Overview of GMAT Quant”, we discuss the makeup of the GMAT Quantitative section, answering the question “How many Data Sufficiency questions are there on the GMAT?” In “Structure of Data Sufficiency questions”, we review the three components of a Data Sufficiency problem (the question stem, the statements, and the answer choices) and discuss Data Sufficiency GMAT tips related to this structure. We then delve into the answer choices with “What is Sufficiency?” by discussing what the “sufficiency” in GMAT Data Sufficiency means and looking at the two different kinds of sufficiency we see in Data Sufficiency questions.

Once we’ve covered the foundations of GMAT Data Sufficiency, we take a detour for “What’s the Point of Data Sufficiency?” to discuss how Data Sufficiency problems test skills critical to success in business school and careers in business. We then discuss “How to Approach Data Sufficiency Questions” at a broad level, walking chronologically through the steps test takers can apply on each Data Sufficiency problem and providing additional GMAT Data Sufficiency tips. Finally, we walk through more specific Data Sufficiency GMAT Strategy in “Data Sufficiency Strategies”, covering four of the most useful strategies test takers can use on GMAT Data Sufficiency problems.

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