Letter From the President and Ceo, Gmac(TM) vii

1.0 What Is the GMAT(TM) Exam? 2

1.1 What Is the GMAT(TM) Exam? 3

1.2 Why Take the GMAT(TM) Exam? 3

1.3 GMAT(TM) Exam Format 4

1.4 What Is the Testing Experience Like? 6

1.5 What Is the Exam Content Like? 6

1.6 Data Insights Section 6

1.7 How Are Scores Calculated? 8

2.0 How to Prepare 10

2.1 How Should I Prepare for the GMAT(TM) Exam? 11

2.2 Getting Ready for Exam Day 11

2.3 How to Use the GMAT(TM) Official Guide Data Insights Review 2024-2025 12

2.4 How to Use Other GMAT(TM) Official Prep Products 14

2.5 Tips for Taking the Exam 14

2.6 Data Insights Section Strategies 16

3.0 Math Review 18

3.0 Math Review 19

3.1 Value, Order, and Factors 20

3.2 Algebra, Equalities, and Inequalities 26

3.3 Rates, Ratios, and Percents 39

3.4 Statistics, Sets, Counting, Probability, Estimation, and Series 49

3.5 Reference Sheets 61

4.0 Verbal Review 72

4.0 Verbal Review 73

4.1 Analyzing Passages 73

4.2 Inductive Reasoning 80

4.3 Deductive Reasoning 86

5.0 Data Insights Review 96

5.0 Data Insights Review 97

5.1 Data Sets and Types 97

5.2 Data Displays 102

5.3 Data Patterns 112

6.0 Data Insights 118

6.0 Data Insights 119

6.1 What Is Measured 120

6.2 Question Types and Test-Taking Strategies 121

6.3 Online Question Bank Instructions 128

6.4 Practice Questions: Data Sufficiency 130

6.5 Answer Key: Data Sufficiency 143

6.6 Answer Explanations: Data Sufficiency 144

6.7 Practice Questions: Two-Part Analysis 193

6.8 Answer Key: Two-Part Analysis 212

6.9 Answer Explanations: Two-Part Analysis 214

7.0 GMAT(TM) Official Guide Data Insights Review Question Index 258

7.0 GMAT(TM) Official Guide Data Insights Review Question Index 259

Appendix A Answer Sheet 266

Data Insights Data Sufficiency Answer Sheet 267

Data Insights Two-Part Analysis Answer Sheet 268