Percents are the language of business and a cornerstone of the GMAT Quant section. Success requires moving beyond calculation to master the logic of complex word problems, Data Sufficiency, and strategic shortcuts.
Start with the basics. Practice converting between percents, fractions, and decimals to build a solid foundation.
Master the fundamental algebraic skill: solving for the Part, the Percent, or the Whole. This is the engine for all word problems.
Understand the principle of "growth on growth." This visualizer is the key to mastering compound interest and successive percent change.
The GMAT loves this trap. See why a +X% and a -X% change don't cancel out, and learn the logic to solve these problems quickly.
Now that you understand the trap, learn the specific formulas required to perfectly reverse an initial percent increase or decrease.
Apply your knowledge to the most unique GMAT question type. Learn to analyze percent statements for sufficiency without needing to calculate.
Review the most common percent-to-fraction equivalents, then test your memory with an interactive flashcard quiz to boost your calculation speed.
Memorize the direct fractional multipliers for common percent increases and decreases to solve problems faster than with a calculator.
Memorize the multipliers for decreases.
Master the powerful 'a% of b = b% of a' rule to simplify complex calculations like "32% of 50" into easy mental math.
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