Aptitude & Reasoning
41 articles in this topic
★ FeaturedService-based companies placement prep: Accenture, Capgemini and Cognizant compared
Most students sitting campus and off-campus drives apply to several service-based companies in the same window. Accenture, Capgemini and Cognizant all recruit freshers in large numbers, their tests overlap heavily, and yet each has one or two quirks that trip up candidates who prepared for a generic "aptitude and coding" test.

Attention-to-Detail Questions: Tips for TCS-Style Placement Tests
Learn a controlled method for exact matches, record comparisons and visual anomalies, with worked examples and a practical accuracy-first routine.

Alphabet Series Reasoning Questions: Position, Gap and Reverse-Alphabet Methods
Learn a fixed method for alphabet-series questions, with forward and reverse positions, gap patterns, alternating streams, letter pairs, and checked examples.

Alligation and Mixtures: Fast Ratio Methods with Worked Examples
Learn when the alligation cross works, how to turn its ratio into quantities, and when dilution or repeated replacement needs a different calculation.

Adjectives: Grammar Rules, Order and Comparison for Verbal Aptitude
Learn how adjectives work before and after nouns, how several modifiers fit into a natural order, and how to repair common comparison errors.

Arithmetic for Competitive Exams: Core Concepts, Safe Shortcuts and Solved Examples
Build arithmetic from relationships, not memorised tricks. Learn to choose the correct base, calculate step by step, and check answers across core topics.

Algebra for Competitive Exams: Concepts, Shortcuts and Solved Examples
Learn a method-first approach to algebra: translate the question, simplify accurately, choose an efficient method, and verify the result with solved examples.

Age Problems for Competitive Exams: Concepts, Shortcuts and Solved Examples
Learn a reliable method for age problems using timelines, equations, ratio units and group totals, with fully checked examples for timed practice.

Logical Reasoning Principles: Core Rules and Worked Examples
Learn a five-step method for translating reasoning questions into constraints, then apply it to arrangements, syllogisms, series and data sufficiency.

Algebra for Aptitude Tests: Fast Methods for Equations, Identities and Substitution
Learn how to recognise the algebraic structure in an aptitude question, choose the shortest valid method, and verify the result through worked examples.

CDAC C-CAT Preparation: A 60-Day, Section-wise Study Plan
Turn 60 days into three clear phases: CS foundations, aptitude plus advanced CS, and a protected mock-and-revision block. The schedule includes recovery space for missed days.

System Calls and Dual-Mode Operation for GATE: The Trap Gateway and OS Structures
Separate the mode bit, privileged instructions and the system-call trap. Then use one protection rule to classify operations and compare common kernel structures.