"Work Rate" questions are a GMAT Quant staple, testing your ability to translate scenarios into logical equations. This guided path will teach you the core frameworks and advanced strategies needed to solve these problems with speed and confidence.
Start with the fundamental principle: converting a total time to complete a job into a rate of work per unit of time (e.g., per hour or day).
Learn how to handle common GMAT scenarios with opposing forces, like a draining pipe or a destructive process, by simply using a negative rate.
Use the concept of "Total Effort" as a powerful shortcut for problems involving groups of workers, a common GMAT word problem format.
Master the elegant formula for solving complex problems where both the inputs (workers, time) and the output (work done) change.
Learn the three-step process to solve problems that compare the relative efficiency of different workers using ratios.
Apply your knowledge to the most unique GMAT question type. Learn to analyze complex work rate relationships for sufficiency without solving.
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