# Aptitude
All Aptitude notes →Company-Specific Patterns
How Amazon OA, Google NQT/STEP, Microsoft, and vendor screens like AMCAT/CoCubes/Mettl structure their aptitude rounds.
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Error Log & Review Framework
Post-mock root-causing: careless errors vs. conceptual gaps vs. time-pressure errors.
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Full-Length Mock Test Format
Simulating real sectional timing and interface constraints instead of untimed topic practice.
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Timing & Section Strategy
Time-boxing per section, skip/return heuristics, and the expected-value math behind negative marking.
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