In the GMAT Counting module, you will learn all of the concepts, techniques and strategies needed to answer counting questions on the GMAT. In particular, the GMAT Counting module covers the following topics:

 The Fundamental Counting PrincipleFactorial notationHandling restrictions“At least” & “at most” questions The MISSISSIPPI ruleCombination questionsPermutation-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)
*To view more free GMAT prep videos, please see individual lesson modules
Total viewing time for the GMAT Counting module: 84 minutes.

Problem Solving (level of difficulty: 350 to 500)

Temporary employees

Problem Solving (level of difficulty: 500 to 650)

8 teams in a league

Mobsters

Posting letters

Medical experiment

Cycling race

Palindrome

Carson family

Stock exchange codes

Team with exactly 2 women

University math department

Problem Solving (level of difficulty: 650 to 800)

Shake hands with 3 people

5-letter words

Number of rectangles in plane (geometry, counting)

Bill’s 12-card deck

Triangles in the plane

Note:  Data sufficiency questions related to counting are very rare.

## Practice from the Official Guides

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

Track your progress by entering answers directly into our free, downloadable Improvement Chart for the Official Guide 2016 edition or the Official Guide 2015/13th edition.