GMAT® OFFICIAL GUIDE 2018 -- Table of Contents -- Letter from the President and CEO, GMAC® -- 1.0 What Is the GMAT® Exam? -- 1.0 What Is the GMAT® Exam? -- 1.1 Why Take the GMAT® Exam? -- 1.2 GMAT® Exam Format -- 1.3 What Is the Content of the Test Like? -- 1.4 Integrated Reasoning Section -- 1.5 Quantitative Section -- 1.6 Verbal Section -- 1.7 Analytical Writing Assessment -- 1.8 What Computer Skills Will I Need? -- 1.9 What Are the Test Centers Like? -- 1.10 How Are Scores Calculated? -- 1.11 Test Development Process -- 2.0 How to Prepare -- 2.0 How to Prepare -- 2.1 How Should I Prepare to Take the Test? -- 2.2 What About Practice Tests? -- 2.3 How Should I Use the Diagnostic Test? -- 2.4 Where Can I Get Additional Practice? -- 2.5 General Test-Taking Suggestions -- 3.0 Diagnostic Test -- 3.0 Diagnostic Test -- 3.1 Quantitative Questions -- 3.2 Verbal Questions -- 3.3 Quantitative and Verbal Answer Keys -- 3.4 Interpretive Guide -- 3.5 Quantitative Answer Explanations -- 3.6 Verbal Answer Explanations -- 4.0 Math Review -- 4.0 Math Review -- 4.1 Arithmetic -- 4.2 Algebra -- 4.3 Geometry -- 4.4 Word Problems -- 5.0 Problem Solving -- 5.0 Problem Solving -- 5.1 Test-Taking Strategies -- 5.2 The Directions -- 5.3 Practice Questions -- 5.4 Answer Key -- 5.5 Answer Explanations -- 6.0 Data Sufficiency -- 6.0 Data Sufficiency -- 6.1 Test-Taking Strategies -- 6.2 The Directions -- 6.3 Practice Questions -- 6.4 Answer Key -- 6.5 Answer Explanations -- 7.0 Reading Comprehension -- 7.0 Reading Comprehension -- 7.1 What Is Measured -- 7.2 Test-Taking Strategies -- 7.3 The Directions -- 7.4 Practice Questions -- 7.5 Answer Key -- 7.6 Answer Explanations -- 8.0 Critical Reasoning -- 8.0 Critical Reasoning -- 8.1 What Is Measured -- 8.2 Test-Taking Strategies -- 8.3 The Directions -- 8.4 Practice Questions -- 8.5 Answer Key -- 8.6 Answer Explanations