Get Over Your Fear of Fractions!

If you’ve read the Assigning Values section in my book, you probably already have a good working knowledge of the fundamentals of this strategy. You will probably immediately recognize that question 198 on page 180 of the GMAT Official Guide 13th Edition is a good …

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The Official Guide 13th Edition How To Quantitative: Page 166, #104

With 75 minutes to solve 37 questions, you have roughly 2 minutes per question on the quantitative section. Since you aren’t allowed to skip back and forth among questions, you need to pace yourself wisely, which means identifying opportunities to take (accurate) shortcuts on some …

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The Official Guide 13th Edition How To Quantitative: Page 166, #105

The Official Guide recommends solving this problem by applying the variables s and t to the number of students and the number of teachers, respectively. However, setting up algebraic equations isn’t always easy. You may want to try backsolving on this question instead. Start with …

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