GRE Counting

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

 

GRE 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 (3:18)
  • 5. Lesson: Counting Strategies - Part I (0:56)
  • 6. Question: 3-Digit Odd Numbers (1:55)
  • 7. Question: Test Answers (1:49)
  • 8. Lesson: Factorial Notation (3:19)
  • 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 (4:25)
  • 16. Lesson: When to use Combinations (8:15)
  • 17. Lesson: Calculating Combinations (4:46)
  • 18. Question: Committee of 4 people (2:26)
  • 19. Lesson: 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: Committee of 2 Men & 2 Women (2:44)
  • 24. Question: 2 Repeated Digits (3:11)
  • 25. Question: Committees without R and S (3:30)
  • 26. Question: Product Codes (4:08)
  • 27. Question: Choose R Employees (2:12)
Total viewing time for the GRE Counting module: 84 minutes.

Practice from the Official Guide

Practice the skills and GRE-specific strategies you learned in this module by answering the following questions from the Official Guide to the GRE (3rd edition):

  • 167(7), 320(6), 321(7-10)

 

Here are the related questions in the Official Guide to the GRE (1st or 2nd edition):

  • 157(7), 297(6-10)

 

Note: The above practice questions are listed in the form page#(question#). So, for example, 157(7) represents question #7 on page 157.

Change Playback Speed

You have the option of watching our videos at various speeds (25% faster, 50% faster, etc). To change the playback speed, click the settings icon on the right side of the video status bar.

Building Vocabulary

The key to building your vocabulary is to FULLY ENGAGE with each word. Say the word aloud. Think of 3 synonyms and 3 antonyms. Imagine or even draw a scene that depicts the word's meaning. And so on. Engage, engage, ENGAGE

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