The Graduate Management Admissions Council(TM) (GMAC(TM)) is a mission-driven association of leading graduate business schools worldwide. Founded in 1953, GMAC creates solutions and experiences that enable business schools and candidates to better discover, evaluate, and connect with each other. GMAC provides world-class research, industry conferences, recruiting tools, and assessments for the graduate management education industry, as well as tools, resources, events, and services that help guide candidates through their higher education journey. Owned and administered by GMAC, the Graduate Management Admission Test(TM) (GMAT(TM)) exam is the most widely used graduate business school assessment. Currently 7000+ programs worldwide trust the GMAT exam to build diverse classes.

Letter from the President and CEO, GMAC(TM) vii

1.0 What Is the GMAT(TM) Exam? 2

1.0 What Is the GMAT(TM) Exam? 3

1.1 Why Take the GMAT(TM) Exam? 3

1.2 GMAT(TM) Exam Format 4

1.3 What Will the Test Experience Be Like? 5

1.4 What Is the Content of the GMAT(TM) Exam Like? 6

1.5 Analytical Writing Assessment Section 6

1.6 Integrated Reasoning Section 7

1.7 Quantitative Reasoning Section 7

1.8 Verbal Reasoning Section 7

1.9 How Are Scores Calculated? 8

2.0 How to Prepare 10

2.0 How to Prepare 11

2.1 How Should I Prepare to Take the Test? 11

2.2 Getting Ready for Exam Day 11

2.3 How to Use the GMAT(TM) Official Guide Quantitative Review 12

2.4 How to Use Other GMAT(TM) Official Prep Products 12

2.5 General Test-Taking Suggestions 13

3.0 Math Review 16

3.0 Math Review 17

3.1 Value, Order, and Factors 18

3.2 Algebra, Equalities, and Inequalities 27

3.3 Rates, Ratios, and Percents 41

3.4 Statistics, Sets, Counting, Probability, Estimation, and Series 54

3.5 Geometry 72

3.6 Reference Sheets 92

4.0 Problem Solving 108

4.0 Problem Solving 109

4.1 Test-Taking Strategies 110

4.2 Section Instructions 110

4.3 Practice Questions 112

4.4 Answer Key 145

4.5 Answer Explanations 147

5.0 Data Sufficiency 222

5.0 Data Sufficiency 223

5.1 Test-Taking Strategies 224

5.2 Section Instructions 225

5.3 Practice Questions 226

5.4 Answer Key 243

5.5 Answer Explanations 244

6.0 GMAT(TM) Official Guide Quantitative Review Question Index 308

6.0 GMAT(TM) Official Guide Quantitative Review Question Index 309

Appendix A Answer Sheets 322

Problem Solving Answer Sheet 323

Data Sufficiency Answer Sheet 325