accountGMAT prep advice - When confronted with a GMAT problem that features numerous variables or unknowns, in which you are not asked to directly solve for any of the unknowns, picking numbers for those unknowns is one of the most effective ways to solve the problem. One particular type of problem in which you should almost always pick numbers is percent problems featuring unspecified values. For...
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Reactions to Picking Numbers on the GMAT: Percents in the Answer Choices
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