Complement Extreme Shortcut

Definition

Complement Extreme Shortcut in plain English

Use the Complement Extreme Shortcut when three dense overlapping sets ask for a minimum or maximum on the center intersection. Clues include minimum possible who have all three and very high coverage percents such as 85%, 90%, or 95%. Flip the ask: maximize the distinct people who escape at least one attribute, then anyone left must sit in the all-three center. Forward-counting the center under high coverage is messy; maximizing the escape team turns a min-intersection into a short subtraction. You never need to fill every petal to answer the extreme. Micro-example: 100 people, 90% have A, 85% have B, 80% have C. Escape pools are at most 10, 15, and 20. If those escapes can be kept disjoint, at most 45 escape, so at least 55 sit in all three.

Related GMAT terms

• Harmonic Mean
• Complement Rule
• Standard Double-Matrix
• Linear Multi-Count Equation
• Slicing Isolated Pools
• Isolated Element Identity
• Slot Method
• Glue-Block Permutation
• Total Minus Unwanted
• Descending Anchor Heuristic