Letter from the President and CEO, GMAC xi
1.0 What Is the GMAT Exam? 2
1.1 What Is the GMAT Exam? 3
1.2 Why Take the GMAT Exam? 3
1.3 GMAT Exam Format 4
1.4 What Is the Testing Experience Like? 6
1.5 What Is the Exam Content Like? 6
1.6 Quantitative Reasoning Section 6
1.7 Data Insights Section 7
1.8 Verbal Reasoning Section 8
1.9 How Are Scores Calculated? 8
2.0 How to Prepare 10
2.1 How Should I Prepare for the GMAT Exam? 11
2.2 Getting Ready for Exam Day 12
2.3 How to Use the GMAT Official Guide 2025-2026 12
2.4 How to Use Other GMAT Official Prep Products 14
2.5 Tips for Taking the Exam 14
2.6 Section Strategies 16
3.0 Math Review 20
3.0 Math Review 21
3.1 Value, Order, and Factors 22
3.2 Algebra, Equalities, and Inequalities 30
3.3 Rates, Ratios, and Percents 44
3.4 Statistics, Sets, Counting, Probability, Estimation, and Series 54
3.5 Reference Sheets 66
4.0 Quantitative Reasoning 78
4.0 Quantitative Reasoning 79
4.1 Tips for Answering Quantitative Reasoning Questions 80
4.2 Practice Questions 82
4.3 Answer Key 127
4.4 Answer Explanations 129
5.0 Data Insights Review 234
5.0 Data Insights Review 235
5.1 Data Sets and Types 235
5.2 Data Displays 240
5.3 Data Patterns 250
6.0 Data Insights 256
6.0 Data Insights 257
6.1 What Is Measured 258
6.2 Question Types and Test-Taking Strategies 259
6.3 Online Question Bank Instructions 266
6.4 Practice Questions: Data Sufficiency 268
6.5 Answer Key: Data Sufficiency 285
6.6 Answer Explanations: Data Sufficiency 286
6.7 Practice Questions: Two-Part Analysis 349
6.8 Answer Key: Two-Part Analysis 373
6.9 Answer Explanations: Two-Part Analysis 375
7.0 Verbal Review 424
7.0 Verbal Review 425
7.1 Analyzing Passages 425
7.2 Inductive Reasoning 432
7.3 Deductive Reasoning 438
8.0 Verbal Reasoning 448
8.0 Verbal Reasoning 449
8.1 What Is Measured 449
8.2 Question Types 450
8.3 Tips for Answering Verbal Reasoning Questions 456
8.4 Practice Questions: Reading Comprehension 458
8.5 Answer Key: Reading Comprehension 521
8.6 Answer Explanations: Reading Comprehension 522
8.7 Practice Questions: Critical Reasoning 608
8.8 Answer Key: Critical Reasoning 671
8.9 Answer Explanations: Critical Reasoning 672
9.0 GMAT Official Guide Question Index 888
9.0 GMAT Official Guide Question Index 889
Appendix A Answer Sheets 918
Quantitative Reasoning Answer Sheet 919
Data Sufficiency Answer Sheet 921
Two-Part Analysis Answer Sheet 922
Reading Comprehension Answer Sheet 923
Critical Reasoning Answer Sheet 924