SSC CHSL Syllabus 2025
Complete Tier-wise Syllabus & Study Plan
Tier 1: 100 Questions
Tier 2: Descriptive
Tier 3: Skill Test
Tier 1 - Computer Based Examination
60 minutes | 100 questions | 200 marks
General Intelligence and Reasoning
25 Questions | 50 Marks
Logical Reasoning
AnalogiesSimilarities and DifferencesSpace visualizationProblem solvingAnalysis and judgmentDecision makingVisual memoryDiscriminating observationRelationship conceptsArithmetical reasoning
Verbal Reasoning
Verbal and figure classificationArithmetical number seriesNon-verbal seriesCoding and decodingStatement conclusionSyllogistic reasoning
Non-Verbal Reasoning
Figural classificationFigural seriesFigural analogyNumber seriesEmbedded figuresFigural completionPaper cuttingPaper folding
General Knowledge
25 Questions | 50 Marks
Current Affairs
National and International eventsSportsAwards and honorsImportant datesBooks and authorsCurrent affairs of last 6 months
Indian History
Ancient IndiaMedieval IndiaModern IndiaFreedom struggleImportant battlesDynasties and rulers
Geography
Physical geographyIndian geographyWorld geographyEconomic geographyClimate and weatherNatural resources
Indian Polity
ConstitutionFundamental rights and dutiesGovernment structureElectoral systemJudiciaryParliament and state legislatures
Economics
Indian economyEconomic surveyBudgetBanking systemEconomic planningInternational trade
General Science
PhysicsChemistryBiologyEnvironmental scienceComputer awarenessSpace technology
Quantitative Aptitude
25 Questions | 50 Marks
Arithmetic
Number systemsComputation of whole numbersDecimals and fractionsRelationship between numbersFundamental arithmetical operationsPercentagesRatio and proportionSquare rootsAveragesInterest (Simple and Compound)Profit and LossDiscountPartnership businessMixture and alligationTime and distanceTime and work
Algebra
Basic algebraic identities of School AlgebraElementary surdsGraphs of linear equationsTriangle and its various kinds of centresCongruence and similarity of triangles
Geometry
Circle and its chordsTangentsAngles subtended by chords of a circleCommon tangents to two or more circlesTriangleQuadrilateralsRegular polygonsCircleRight prismRight circular coneRight circular cylinderSphereHemispheresRectangular parallelepipedRegular right pyramid with triangular or square base
Trigonometry
TrigonometryTrigonometric ratiosDegree and radian measuresStandard identitiesComplementary anglesHeights and distances
Statistics
Use of tables and graphsHistogramFrequency polygonBar diagramPie chart
English Language
25 Questions | 50 Marks
Vocabulary
SynonymsAntonymsOne word substitutionIdioms and phrasesMeaning of wordsWord formation
Grammar
Parts of speechTensesVoice (Active/Passive)Narration (Direct/Indirect)PrepositionsArticlesSubject-verb agreementDegrees of comparison
Reading Comprehension
Unseen passagesMain ideaSupporting detailsInferenceTone and styleVocabulary in context
Sentence Improvement
Error spottingSentence correctionFill in the blanksPara jumblesCloze test
Tier 2 - Descriptive Paper
60 minutes | 100 marks | Pen and Paper
Essay Writing
50 Marks
Essay Types
Argumentative essaysDescriptive essaysNarrative essaysExpository essays
Essay Topics
Social issuesEconomic problemsPolitical issuesEnvironmental concernsTechnology and societyEducation systemHealthcareWomen empowermentDigital IndiaCurrent national issues
Letter/Application Writing
50 Marks
Formal Letters
Official lettersBusiness lettersComplaint lettersRequest lettersInquiry letters
Applications
Job applicationsLeave applicationsTransfer applicationsScholarship applicationsAdmission applications
📝 Important Note for Tier 2
- Questions will be in Hindi and English (except for English language paper)
- Candidates can choose to write in Hindi or English
- Minimum qualifying marks: 33% for General, 30% for OBC, 25% for SC/ST
- This is a qualifying paper only, marks won't be added to final merit
Tier 3 - Skill Test/Typing Test
Data Entry Operator (DEO)
Test Type:
Skill Test (Data Entry Speed Test)
Requirement:
8,000 key depressions per hour on computer
Duration:
15 minutes
Lower Division Clerk (LDC) / Junior Secretariat Assistant (JSA)
Test Type:
Typing Test
Requirement:
35 words per minute in English OR 30 words per minute in Hindi
Duration:
10 minutes
⌨️ Typing Test Tips
- Practice typing daily to improve speed and accuracy
- Use online typing tools and software for practice
- Focus on proper finger placement and posture
- Accuracy is more important than speed - avoid too many errors
3-Month Study Plan
1
Month 1
Foundation Building
- • Complete basic mathematics concepts
- • Learn fundamental English grammar rules
- • Study basic reasoning patterns
- • Cover ancient and medieval Indian history
- • Start current affairs reading (newspapers)
2
Month 2
Concept Strengthening
- • Advanced arithmetic and algebra
- • Reading comprehension practice
- • Logical and analytical reasoning
- • Modern Indian history and geography
- • Indian polity basics and constitution
3
Month 3
Practice & Revision
- • Daily mock tests and previous papers
- • Time management practice
- • Weak area improvement
- • Essay and letter writing practice
- • Current affairs revision
Subject-wise Preparation Tips
General Intelligence & Reasoning
- • Practice different types of reasoning questions daily
- • Focus on pattern recognition and logical thinking
- • Solve puzzles and brain teasers regularly
- • Time yourself while solving reasoning questions
General Knowledge
- • Read newspapers daily for current affairs
- • Make notes of important events and dates
- • Use mnemonics for historical dates and events
- • Focus on last 6 months current affairs for the exam
Quantitative Aptitude
- • Learn shortcuts and tricks for quick calculations
- • Practice mental math regularly
- • Focus on time and work, percentage, and profit-loss
- • Solve at least 25 questions daily
English Language
- • Read English newspapers and magazines regularly
- • Practice vocabulary building through word lists
- • Focus on grammar rules and their applications
- • Improve reading speed for comprehension passages