Description
Focus your prep with 275+ additional Data Insights questions and detailed answer explanations, not included in the main Official Guide 2026-2027.
Designed by the makers of the GMAT exam, the GMAT Official Guide series is the only study guide that features real exam questions.
Use this guide to:
- Master the data insights section of the exam
- Familiarize yourself with data analysis concepts through the updated review chapter
- Grow your confidence with the data insights questions
- Review detailed explanations to understand correct and incorrect answers
- Practice with two-part analysis questions in the book
- Get exclusive tips and tricks from the exam creators and test prep organizations
PLUS! Focus your studying with the Online Question Bank:
- Tailor your practice by building practice sets targeting question type and difficulty
- Track your focus areas and progress with key metrics
- Challenge yourself with timed practice
The Online Question Bank is accessible through your mba.com account. To guarantee access to the online question bank, please purchase this book new. Used copies often have expired or already-redeemed serial codes. The serial code provided with the purchase of a new book is one-time-use only.
Table of Contents
Table of Contents 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 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™ Exam? 11
2.2 Getting Ready for Exam Day 11
2.3 How to Use the GMAT™ Official Guide Data Insights Review 2026–2027 12
2.4 How to Use Other GMAT™ 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 28
3.3 Rates, Ratios, and Percents 42
3.4 Statistics, Sets, Counting, Probability, Estimation, and Series 52
3.5 Reference Sheets 64
4.0 Verbal Review 76
4.0 Verbal Review 77
4.1 Analyzing Passages 77
4.2 Inductive Reasoning 84
4.3 Deductive Reasoning 90
5.0 Data Insights Review 100
5.0 Data Insights Review 101
5.1 Data Sets and Types 101
5.2 Data Displays 106
5.3 Data Patterns 116
6.0 Data Insights 122
6.0 Data Insights 123
6.1 What Is Measured 124
6.2 Question Types and Test-Taking Strategies 125
6.3 Online Question Bank Instructions 132
6.4 Practice Questions: Data Sufficiency 133
6.5 Answer Key: Data Sufficiency 146
6.6 Answer Explanations: Data Sufficiency 147
6.7 Practice Questions: Two-Part Analysis 198
6.8 Answer Key: Two-Part Analysis 219
6.9 Answer Explanations: Two-Part Analysis 221
7.0 GMAT™ Official Guide Data Insights Review Question Index 268
7.0 GMAT™ Official Guide Data Insights Review Question Index 269
Appendix A Answer Sheets 276
Data Sufficiency Answer Sheet 277
Two-Part Analysis Answer Sheet 278



