Word Problems (overlapping sets, mixtures, sequences, misc.)

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VIDEOS
- Intro to GMAT word problems: Watch an overview of the strategies to consider when tackling word problems.

- Testing the answer choices: Learn strategies to keep in mind when testing answer choices

- Assigning variables: Learn some important guidelines to consider when assigning variables.

- Writing equations: Learn some important guidelines for writing equations

- How many variables to assign? : Learn guidelines regarding when to assign one variable and when to assign more than one variable

- Solving GMAT age questions: Learn how to solve word problems involving ages in the past and in the future

- Double Matrix Method for overlapping sets: Learn how to solve questions involving populations where each member has 2 features associated with it

- 3-criteria Venn diagrams: Learn how to solve questions involving populations where each member has 3 features associated with it

- Introduction to sequences: Take an introductory look at sequences

- Recursive definitions of terms: Learn how to work with sequences where the terms are defined recursively

- Sums of sequences (aka "series") : Learn how to find sums of the terms in a sequence

- Growth tables: Learn how to tackle questions where there is some kind of growth or decline over certain time periods

- Mixture questions: Learn how to solve questions involving mixtures

- Variables in the answer choices: Learn how to solve questions where there are variables in the answer choices

- Tips for the algebraic approach: Learn strategies to consider when using the algebraic approach to solve questions with variables in the answer choices

- Tips for the input-output approach: Learn strategies to consider when using the input-output approach to solve questions with variables in the answer choices


ARTICLES
- Using "Word Equations" to Help Write Algebraic Equations: https://www.gmatprepnow.com/articles/us ... -equations

- Variables in the Answer Choices - Part I - Two Approaches: https://www.gmatprepnow.com/articles/va ... approaches

- Variables in the Answer Choices - Part II: https://www.gmatprepnow.com/articles/va ... 93-part-ii
Brent Hanneson - Creator of GMATPrepNow.com
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