Aptitude & Reasoning

41 articles in this topic

★ Featured

Service-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.

17 Jul 20267 min read733 viewsAptitude & Reasoning

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.

Updated 3 Sep 20266 min readAptitude & Reasoning

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.

Updated 2 Sep 20266 min readAptitude & Reasoning

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.

Updated 31 Aug 20265 min readAptitude & Reasoning

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.

Updated 29 Aug 20266 min readAptitude & Reasoning

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.

Updated 29 Aug 20266 min readAptitude & Reasoning

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.

Updated 26 Aug 20266 min readAptitude & Reasoning

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.

Updated 24 Aug 20266 min readAptitude & Reasoning

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.

Updated 23 Aug 20265 min readAptitude & Reasoning

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.

Updated 21 Aug 20266 min readAptitude & Reasoning

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.

Updated 19 Aug 20265 min readAptitude & Reasoning

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.

Updated 17 Aug 20266 min readAptitude & Reasoning