The Most Important Moment in a Problem-Solving Question
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This tip for improving your GMAT score was provided by David Newland at Veritas Prep.
Most of what you do during a problem-solving question is dictated by the problem itself and by the rules of math. There are certain ways to combine exponents, a right triangle has certain features, and an equation is solved according to set rules, with no real choices for you to make. Data-sufficiency problems may allow you more options (such as evaluating statement 1 or statement 2 first) but with problem-solving questions, the proper course is often not really a matter of choice.