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1.0 What Is the GMAT®? 4 1.0 What Is the GMAT®? 5 1.1 Why Take the GMAT® Exam? 5 1.2 GMAT® Exam Format 6 1.3 What Is the Content of the Test Like? 7 1.4 Quantitative Section 8 1.5 Verbal Section 8 1.6 What Computer Skills Will I Need? 9 1.7 What Are the Test Centers Like? 9 1.8 How Are Scores Calculated? 9 1.9 Analytical Writing Assessment Scores 9 1.10 Test Development Process 10 2.0 How to Prepare 12 2.0 How to Prepare 13 2.1 How Can I Best Prepare to Take the Test? 13 2.2 What About Practice Tests? 13 2.3 Where Can I Get Additional Practice? 14 2.4 General Test-Taking Suggestions 14 3.0 Math Review 16 3.0 Math Review 17 3.1 Arithmetic 18 3.2 Algebra 29 3.3 Geometry 37 3.4 Word Problems 49 4.0 Problem Solving 58 4.0 Problem Solving 59 4.1 Test-Taking Strategies 60 4.2 The Directions 60 4.3 Sample Questions 62 4.4 Answer Key 87 4.5 Answer Explanations 89 5.0 Data Sufficiency 148 5.0 Data Sufficiency 149 5.1 Test-Taking Strategies 150 5.2 The Directions 152 5.3 Sample Questions 154 5.4 Answer Key 166 5.5 Answer Explanations 167 Appendix A Answer Sheets 212 Problem Solving Answer Sheet 213 Data Sufficiency Answer Sheet 214