GMAT Counting

In this module, you'll learn all of the concepts, techniques and strategies needed to answer counting questions on the GMAT. In particular, this module covers:

  • The Fundamental Counting Principle
  • Factorial notation
  • Handling restrictions
  • “At least” & “at most” questions
  • The MISSISSIPPI rule
  • Combination questions
  • Permutation-type questions

 

GMAT COUNTING VIDEOS

  • 1. Lesson: Listing and Counting (3:53)
  • 2. Question: Distributing Coins (2:19)
  • 3. Lesson: The Fundamental Counting Principle (4:48)
  • 4. Lesson: Fundamental Counting Principle Example (2:58)
  • 5. Lesson: GMAT Counting Strategies - Part I (0:56)
  • 6. Question: 3-Digit Odd Numbers (1:55)
  • 7. Question: Test Answers (1:49)
  • 8. Lesson: Factorial Notation (3:22)
  • 9. Question: Math with Factorials (0:31)
  • 10. Question: Books on a Shelf (2:29)
  • 11. Lesson: Handling Restrictions (5:12)
  • 12. Question: Numbers with at Least One 7 (4:12)
  • 13. Lesson: MISSISSIPPI Rule (3:10)
  • 14. Question: Number of Routes (2:15)
  • 15. Lesson: Introduction to Combinations (4:31)
  • 16. Lesson: When to use Combinations (8:15)
  • 17. Lesson: Calculating Combinations (4:46)
  • 18. Question: Committee of 4 people (2:26)
  • 19. Lesson: GMAT Counting Strategies - Part II (1:50)
  • 20. Question: Arranging Buttons (1:17)
  • 21. Question: Evening Out (1:02)
  • 22. Question: Bicycle with Optional Features (3:43)
  • 23. Question: 2 Men and 2 Women (2:44)
  • 24. Question: 2 Repeated Digits (3:11)
  • 25. Question: Committees without R&S (3:30)
  • 26. Question: Product Codes (4:08)
  • 27. Question: Value of R (2:45)
Total viewing time for the GMAT Counting module: 84 minutes.

Additional Practice

Each of the above video lessons features a Reinforcement Activities box containing practice questions that are specifically related to the particular concepts covered in that lesson (e.g., the lesson on Calculating Combinations in Your Head). On the other hand, the links below will take you to practice questions that test a wide variety of questions under the general topic of Counting. Given this, you may find it beneficial to work on the questions below AFTER you’ve mastered the content in the Counting module above.

- Official GMAT questions about Counting- Problem Solving

- Official GMAT questions about Counting - Data Sufficiency

 

Practice from the Official Guides

Official Guide for GMAT Review (2019 edition)

Problem Solving: 140, 148, 182, 187, 201

Data Sufficiency: 331

Official Guide for GMAT Review (2018 edition)

Problem Solving: 140, 148, 182, 187, 201, 214

Data Sufficiency: 331

Official Guide for GMAT Review (2017 edition)

Problem Solving: 129, 166, 169, 174, 186, 209

Data Sufficiency: 317

Official Guide for GMAT Review (2016 edition)

Problem Solving: 117, 148, 152, 158, 172, 228

Data Sufficiency: 73 

Official Guide for GMAT Review (2015/13th edition)

Problem Solving: 124, 128, 133, 148, 228

 

While answering practice questions from the Official Guide for GMAT Review (2019, 2018, 2017, 2016 or 2015), you can enter your responses directly into our downloadable Improvement Chart. This will help track your progress and identify areas of weakness.

Practice Questions

Looking for more practice questions? If so, check out our this list of free and paid resources.

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