GMAT official guide 2018: the definitive guide from the makers of the GMAT exam

Letter from the President and CEO, GMAC (R) v 1.0 What Is the GMAT (R) Exam? 2 1.0 What Is the GMAT (R) Exam? 3 1.1 Why Take the GMAT (R) Exam? 3 1.2 GMAT (R) Exam Format 4 1.3 What Is the Content of the Test Like? 5 1.4 Integrated Reasoning Section 6 1.5 Quantitative Section 6 1.6 Verbal Section 6 1.7 Analytical Writing Assessment 7 1.8 What Computer Skills Will I Need? 7 1.9 What Are the Test Centers Like? 7 1.10 How Are Scores Calculated? 7 1.11 Test Development Process 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 What About Practice Tests? 11 2.3 How Should I Use the Diagnostic Test? 12 2.4 Where Can I Get Additional Practice? 12 2.5 General Test-Taking Suggestions 12 3.0 Diagnostic Test 14 3.0 Diagnostic Test 15 3.1 Quantitative Questions 16 3.2 Verbal Questions 23 3.3 Quantitative and Verbal Answer Keys 40 3.4 Interpretive Guide 40 3.5 Quantitative Answer Explanations 41 3.6 Verbal Answer Explanations 60 4.0 Math Review 100 4.0 Math Review 101 4.1 Arithmetic 102 4.2 Algebra 114 4.3 Geometry 122 4.4 Word Problems 134 5.0 Problem Solving 142 5.0 Problem Solving 143 5.1 Test-Taking Strategies 144 5.2 The Directions 144 5.3 Practice Questions 146 5.4 Answer Key 181 5.5 Answer Explanations 183 6.0 Data Sufficiency 264 6.0 Data Suffi ciency 265 6.1 Test-Taking Strategies 266 6.2 The Directions 268 6.3 Practice Questions 270 6.4 Answer Key 288 6.5 Answer Explanations 289 7.0 Reading Comprehension 356 7.0 Reading Comprehension 357 7.1 What Is Measured 358 7.2 Test-Taking Strategies 360 7.3 The Directions 361 7.4 Practice Questions 362 7.5 Answer Key 423 7.6 Answer Explanations 424 8.0 Critical Reasoning 504 8.0 Critical Reasoning 505 8.1 What Is Measured 506 8.2 Test-Taking Strategies 506 8.3 The Directions 507 8.4 Practice Questions 508 8.5 Answer Key 546 8.6 Answer Explanations 547 9.0 Sentence Correction 672 9.0 Sentence Correction 673 9.1 Basic English Grammar Rules 673 9.2 Study Suggestions 678 9.3 What Is Measured 678 9.4 Test-Taking Strategies 678 9.5 The Directions 679 9.6 Practice Questions 680 9.7 Answer Key 709 9.8 Answer Explanations 710 10.0 Integrated Reasoning 788 10.0 Integrated Reasoning 789 10.1 What Is Measured 789 10.2 The Question Types 790 10.3 Test-Taking Strategies 797 10.4 The Directions 799 11.0 Analytical Writing Assessment 800 11.0 Analytical Writing Assessment 801 11.1 What Is Measured 801 11.2 Test-Taking Strategies 802 11.3 The Directions 802 11.4 GMAT (R) Scoring Guide: Analysis of an Argument 803 11.5 Sample: Analysis of an Argument 805 11.6 Analysis of an Argument Sample Topics 809 Appendix A Answer Sheets 841 Diagnostic Answer Sheet   Quantitative 841 Diagnostic Answer Sheet   Verbal 841 Problem Solving Answer Sheet 842 Data Suffi ciency Answer Sheet 843 Reading Comprehension Answer Sheet 844 Critical Reasoning Answer Sheet 845 Sentence Correction Answer Sheet 846