GMAT Official Guide Quantitative Review 2021, Book + Online Question Bank

GMAT™ Official Guide Quantitative Review 2021

Get supplemental quantitative practice in addition to the GMAT™ Official Guide 2021 

Study with confidence. All GMAT™ Official Prep products are the only prep resources containing real GMAT™ questions from past exams. It’s why we are official.

Need to concentrate on the quantitative portion of the GMAT™ exam? Then the GMAT™ Official Guide Quantitative Review 2021 is for you.

This supplement to the GMAT™ Official Guide 2021 provides over 370 quantitative practice questions from past GMAT™ exams. You’ll also get access to the GMAT™ Online Question Bank, customizable study tools, and a new mobile app for practicing on the go – even when you’re not connected to the internet.

Get extensive quantitative practice from the makers of the GMAT™ exam, including:

• Over 370 quantitative reasoning practice questions that are not included in the GMAT™ Official Guide 2021
• Review of essential algebra, geometry, arithmetic, and word problems
• Detailed answer explanations that provide insight on how the test maker thinks about each question
• Questions organized in order of difficulty – easiest to hardest – to build upon your knowledge
• An overview of the GMAT™ exam to familiarize yourself with its content and format 

Plus! Continue your studying online with the GMAT™ Official Guide Online Question Bank

Access the same questions online from the book to help focus your studying by:

• New! Review with online flashcards to master key concepts
• Creating your own practice sets
• Filter by fundamental skill and difficulty level
• Track your improvements with performance metrics
• Study in exam mode so that you are prepared for test day
• Review with online flashcards to master key concepts
• Study on the go with the mobile app!

Optimize your study time and focus on the quantitative skills you need to succeed with the GMAT™ Official Guide 2021 Quantitative Review.

This product includes print book with a unique code to access the GMAT™ Online Question Bank and mobile app.

The Graduate Management Admissions Council (GMAC) is the association of leading graduate business schools around the world. GMAC's mission is to meet the needs of business schools and students through a wide array of products, services, and programs, and the organization serves as a primary resource of research and information about quality graduate management education. GMAC is the owner and administrator of the Graduate Management Admissions Test (GMAT). Created in 1954, the GMAT is the first and only standardized test specifically designed for graduate business and management programs. Available in over 100 countries, it is the global standard for entry to the MBA degree course. Currently about 2,100 schools and 5,900 programs have adopted the GMAT, and the test is taken approximately 250,000 times annually.

Table of Contents Letter from the President and CEO, GMAC™ vii

1.0 What is the GMAT™ Exam? 2

1.0 What is the GMAT™ Exam? 3

1.1 Why Take the GMAT™ Exam? 3

1.2 GMAT™ Exam Format 4

1.3 What is the Content of the Exam Like? 6

1.4 Analytical Writing Assessment Section 6

1.5 Integrated Reasoning Section 6

1.6 Quantitative Reasoning Section 7

1.7 Verbal Reasoning Section 7

1.8 What Are the Test Centers Like? 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 How to Use the GMAT™ Official Guide Quantitative Review 11

2.3 How to Use Other GMAT™ Official Prep Products 12

2.4 General Test-Taking Suggestions 12

3.0 Math Review 16

3.0 Math Review 17

3.1 Arithmetic 18

3.2 Algebra 30

3.3 Geometry 38

3.4 Word Problems 50

4.0 Problem Solving 58

4.0 Problem Solving 59

4.1 Test-Taking Strategies 60

4.2 Section Instructions 60

4.3 Practice Questions 62

4.4 Answer Key 95

4.5 Answer Explanations 97

5.0 Data Sufficiency 172

5.0 Data Sufficiency 173

5.1 Test-Taking Strategies 174

5.2 Section Instructions 176

5.3 Practice Questions 178

5.4 Answer Key 195

5.5 Answer Explanations 196

6.0 GMAT™ Quantitative Review Question Index 260

7.0 GMAT™ Official Guide Quantitative Review Online Index 270

Appendix A Answer Sheets 276

Problem Solving Answer Sheet 277

Data Sufficiency Answer Sheet 279

The New copy of this book will include any supplemental materials advertised. Please check the title of the book to determine if it should include any access cards, study guides, lab manuals, CDs, etc.

The Used, Rental and eBook copies of this book are not guaranteed to include any supplemental materials. Typically, only the book itself is included. This is true even if the title states it includes any access cards, study guides, lab manuals, CDs, etc.