Aptitude & Reasoning
63 articles in this topic

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.

IISc Administrative Assistant Preparation: A Section-wise Study Plan for the Written Test
Build on familiar SSC and banking material instead of searching for secret IISc notes. Follow a practical eight-week cycle that survives missed days.

UP LT Grade Computer Science: Subject Weightage and a Preparation Plan
Build a practical UP LT Grade Computer Science plan around priority tiers, a capped general-studies slot, protected mock practice and clear recovery rules.