TECH-147
12 - MCQ Elimination & Competitive Strategy (12 Techniques)
Target: 3s
Extreme Value Boundary Substitution
Test extreme values ($x=0, 1, \\infty$) to invalidate wrong options.
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Common Student Traps
- •Applying shortcut when boundary assumptions fail
- •Mental arithmetic carrying slip under time pressure
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Supporting free calculation training for competitive exam aspirants.