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Archive | Basics

GMAT Tuesdays: Math Strategy – Backsolving

Ready to be excellent to the universe? I know Kevin is! 😀 Today, Kevin turns his gaze on one of the fundamental math strategies for the GMAT—backsolving. Understanding this approach will help you to avoid solving lengthy algebraic equations. Dive in to learn about backsolving so you can start applying it to your preparation. This […]

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Rates and Ratios

Rates are just ratios.  Here are a four problems exploring rates.  Remember: no calculator! 1) Someone on a skateboard is traveling 12 miles per hour.  How many feet does she travel in 10 seconds?  (1 mile = 5280 feet) (A) 60 (B) 88 (C) 120 (D) 176 (E) 264 2) At 12:00 noon, a machine, […]

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Backsolving on GMAT Math

First of all, try these challenging GMAT Problem Solving practice problems without a calculator. (A) 2 (B) 3 (C) 4 (D) 5 (E) 6 2) In the month of August, Pentheus Corporation made $200,000 in profit.  Pentheus made 6% of that profit on the second Wednesday of August.   If the profits that day were approximately […]

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