GMAT Official Guide Quantitative Review 2025-2026

GMAT Official Guide Quantitative Review 2025-2026: Includes Book + Online Question Bank + Digital Flashcards + Mobile App

The GMAT™ Official Guide Quantitative Review provides focused practice to master the quantitative section of the exam with 200+ practice questions that are not included in the main Official Guide 2025-2026.

Designed by the makers of the GMAT exam, the GMAT Official Guide series is the only study guide that features real exam questions.

Use this guide to:

• · Master the quantitative section of the exam
• · Familiarize yourself with essential concepts through the updated math review chapter
• · Grow your confidence with the problem-solving questions
• · Review detailed explanations to understand correct and incorrect answers
• Get exclusive exam preparation tips from the creators of the GMAT and Test Prep Organizations

BONUS with your purchase! Focus your studying with the Online Question Bank Tailor your practice by building practice sets targeting question type and difficulty

• · Discover your strengths and weaknesses with diagnostic quizzes
• · Track your focus areas and progress with key metrics
• · Reinforce concepts with engaging games
• · Challenge yourself with timed practice
• · Use digital flashcards to master key concepts, also accessible on the mobile app

The Online Question Bank is accessible through your mba.com account.

Table of Contents Letter From the President and Ceo, Gmac™ xi

1.0 What Is the GMAT™ Exam? 2

1.1 What Is the GMAT™ Exam? 3

1.2 Why Take the GMAT™ Exam? 3

1.3 GMAT™ Exam Format 4

1.4 What Is the Testing Experience Like? 6

1.5 What Is the Exam Content Like? 6

1.6 Quantitative Reasoning Section 6

1.7 How Are Scores Calculated? 7

2.0 How to Prepare 8

2.1 How Should I Prepare for the GMAT™ Exam? 9

2.2 Getting Ready for Exam Day 10

2.3 How to Use the GMAT™ Official Guide Quantitative Review 2025–2026 10

2.4 How to Use Other GMAT™ Official Prep Products 12

2.5 Tips for Taking the Exam 12

2.6 Quantitative Reasoning Section Strategies 14

3.0 Math Review 16

3.0 Math Review 17

3.1 Value, Order, and Factors 18

3.2 Algebra, Equalities, and Inequalities 26

3.3 Rates, Ratios, and Percents 40

3.4 Statistics, Sets, Counting, Probability, Estimation, and Series 50

3.5 Reference Sheets 62

4.0 Quantitative Reasoning 74

4.0 Quantitative Reasoning 75

4.1 Tips for Answering Quantitative Reasoning Questions 76

4.2 Practice Questions 78

4.3 Answer Key 108

4.4 Answer Explanations 110

5.0 GMAT™ Official Guide Quantitative Review Question Index 180

5.0 GMAT™ Official Guide Quantitative Review Question Index 181

Appendix A Answer Sheet 188

Quantitative Reasoning Answer Sheet 189

Use this guide to:

✓ Master the quantitative section of the exam
✓ Familiarize yourself with essential concepts through the math review chapter
✓ Grow your confidence with the problem-solving questions
✓ Review detailed explanations to understand correct and incorrect answers

+ Access the Online Question Bank and refine your practice:

✓ Tailor your practice by building practice sets targeting question type and difficulty
✓ Discover your strengths and weaknesses with diagnostic quizzes
✓ Track your focus areas and progress with key metrics
✓ Reinforce concepts with flashcards and engaging games
✓ Challenge yourself with timed practice