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Summary

The content provides an in-depth exploration of divisibility rules, crucial for mastering numerical reasoning questions on the GRE exam.

- Divisibility rules for 2 and 5 are based on the last digit of the number.
- The rule for 4 requires examining the last two digits, while the rules for 3 and 9 involve summing all the digits of the number.
- A number is divisible by 6 if it meets the criteria for divisibility by both 2 and 3.
- Practical examples are provided to illustrate how each divisibility rule is applied to both simple and complex numbers.
- Understanding these rules is essential for efficiently solving a wide range of quantitative problems on the GRE.

Chapters

00:00

Introduction to Divisibility Rules

00:42

Basic Divisibility Rules: 2 and 5

02:25

Advanced Divisibility Rules: 3, 4, and 9

06:31

The Divisibility Rule for 6

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