SSC CHSL 2025 TIER 1 – EXAM PATTERN
The SSC CHSL Tier 1 exam is the first stage of the SSC CHSL 2025 selection process. It is a computer-based test (CBT) conducted online, consisting of multiple-choice questions (MCQs). The exam is designed to assess a candidate’s ability in four key subjects: General Intelligence, General Awareness, Quantitative Aptitude, and English Language.
Key Highlights of SSC CHSL Tier 1 Exam Pattern:
✔ Mode of Exam: Online (Computer-Based Test)
✔ Type of Questions: Objective Type (Multiple-Choice Questions)
✔ Number of Questions: 100
✔ Total Marks: 200
✔ Duration: 60 minutes (80 minutes for PwD candidates)
✔ Marking Scheme: +2 for each correct answer, -0.50 negative marking for each incorrect answer
✔ Sections: 4
SSC CHSL Tier 1 Exam Structure
| Section | Subject | No. of Questions | Maximum Marks | Duration |
| Section I | General Intelligence (Reasoning) | 25 | 50 | 60 minutes (80 minutes for PwD candidates) |
| Section II | General Awareness | 25 | 50 | |
| Section III | Quantitative Aptitude (Maths) | 25 | 50 | |
| Section IV | English Language (Comprehension) | 25 | 50 | |
| Total | 100 | 200 |
SSC CHSL 2025 TIER 1 – SYLLABUS
The Staff Selection Commission Combined Higher Secondary Level (SSC CHSL) Tier-I examination is the initial phase of the selection process, designed to assess candidates’ foundational abilities across various subjects. A thorough understanding of the SSC CHSL Tier-I syllabus is crucial for effective preparation. Below is a detailed breakdown of the syllabus:
- General Intelligence
This section evaluates the candidate’s logical reasoning and analytical abilities. Key topics include:
- Analogy: Identifying relationships between pairs of words or figures.
- Classification: Grouping items based on common properties.
- Series (Number and Alphabet): Recognizing patterns in sequences.
- Coding-Decoding: Deciphering codes and encoding messages.
- Blood Relations: Understanding familial connections.
- Order and Ranking: Determining positions based on given criteria.
- Direction and Distance: Tracking movements and orientations.
- Seating Arrangement: Arranging individuals based on specific conditions.
- Puzzles: Solving logical problems.
- Syllogism: Drawing conclusions from given statements.
- Venn Diagrams: Representing logical relationships visually.
- Data Sufficiency: Assessing the adequacy of information to answer questions.
- Non-Verbal Reasoning: Interpreting patterns and sequences in visual data.
- General Awareness
This section tests the candidate’s knowledge of current events and general knowledge. Key areas include:
- Current Affairs: National and international events, awards, and honors.
- History: Significant events, movements, and personalities.
- Geography: Physical features, climatic conditions, and demography.
- Polity: Constitutional provisions, political systems, and governance.
- Economy: Economic terms, policies, and budgetary allocations.
- Science and Technology: Basic concepts in physics, chemistry, biology, and recent advancements.
- Books and Authors: Notable literary works and their writers.
- Sports: Major tournaments, players, and records.
- Important Days and Dates: Significant national and international observances.
- Quantitative Aptitude
This section assesses the candidate’s numerical ability and mathematical skills. Key topics include:
- Number System: Integers, fractions, and rational numbers.
- Simplification: BODMAS rule, approximations, and calculations.
- Percentage: Calculations related to ratios and proportions.
- Ratio and Proportion: Comparative analysis of quantities.
- Average: Mean of numbers.
- Algebra: Equations, identities, and factorization.
- Profit and Loss: Calculations involving transactions and discounts.
- Simple and Compound Interest: Interest computations over time.
- Time and Work: Problems on work efficiency and timelines.
- Time, Speed, and Distance: Motion-related calculations.
- Mensuration: Area, volume, and perimeter of geometric shapes.
- Geometry: Properties of shapes, theorems, and proofs.
- Trigonometry: Angles, identities, and height-distance problems.
- Data Interpretation: Analysis of graphs, charts, and tables.
- English Language
This section evaluates the candidate’s proficiency in English. Key topics include:
- Reading Comprehension: Understanding and interpreting passages.
- Cloze Test: Filling in blanks within a passage contextually.
- Para Jumbles: Reordering sentences to form coherent paragraphs.
- Error Spotting: Identifying grammatical errors in sentences.
- Sentence Improvement: Enhancing sentence structure and clarity.
- Fill in the Blanks: Choosing appropriate words to complete sentences.
- Synonyms and Antonyms: Recognizing words with similar or opposite meanings.
- One-Word Substitution: Replacing phrases with single terms.
- Idioms and Phrases: Understanding common expressions and their meanings.
- Active and Passive Voice: Transforming sentences between voices.
- Direct and Indirect Speech: Converting sentences between speech forms.
- SSC CHSL 2025 TIER 2 – EXAM PATTERN
- The Staff Selection Commission (SSC)has revised the exam pattern for SSC CHSL Tier 2 (2025), making it more structured and skill-oriented. SSC CHSL Tier 2 is the second stage of the selection process, and only candidates who qualify for Tier 1 can appear for this stage.
- The SSC CHSL Tier 2 exam 2025consists of three sections, each containing two modules. The exam will be conducted in two sessions on the same day. Candidates must understand the new pattern thoroughly to prepare effectively.
- Key Highlights of SSC CHSL Tier 2:
- ✔Mode of Exam: Computer-Based Test (CBT)
✔ Type of Questions: Objective-Type (MCQs), except for the Skill Test
✔ Total Sections: 3 (Each having two modules)
✔ Total Duration: 2 hours 15 minutes for Session-I + Separate time for Skill Test in Session-II
✔ Negative Marking: 1 mark for each wrong answer in Section-1, Section-2, and Module-1 of Section-3 - SSC CHSL Tier 2 – Section & Module Breakdown
- Session 1: (2 Hours 15 Minutes)
| Section | Module | Subject | No. of Questions | Marks | Time Duration |
| Section 1 | Module-1 | Mathematical Abilities | 30 | 180 (Each Q = 6 Marks) | 1 Hour |
| Module-2 | Reasoning & General Intelligence | 30 | |||
| Section 2 | Module-1 | English Language & Comprehension | 40 | 180 (Each Q = 6 Marks) | 1 Hour |
| Module-2 | General Awareness | 20 | |||
| Section 3 | Module-1 | Computer Knowledge Test | 15 | 45 (Each Q = 3 Marks) | 15 Minutes |
- Session 2: Skill Test / Typing Test
- Session 2 includes Module-2 of Section 3, which consists of Skill Test / Typing Testbased on the post applied for.
| Module | Skill Test Type | Time Duration |
| Module-2 of Section 3 | Part A: Skill Test for Data Entry Operators (DEOs) in Government Ministries/Departments | 15 minutes |
| Part B: Skill Test for DEOs (Other than Ministries/Departments) | 15 minutes | |
| Part C: Typing Test for Lower Division Clerk (LDC) / Junior Secretariat Assistant (JSA) | 10 minutes |
- SSC CHSL 2025 TIER 2 – SYLLABUS
- Module-I of Section-I (Mathematical Abilities)
| SSC CHSL Mathematics Syllabus for Tier II | |
| Number Systems | Computation of Whole Number, Decimal and Fractions, Relationship between numbers |
| Fundamental arithmetical operations | Square roots, PrcentagesAverages, Interest (Simple and Compound), Profit and Loss, Discount, Partnership Business, Mixture and Alligation, Time and distance, Time and work |
| Algebra | Algebraic identitiesElementary surdsGraphs of Linear Equations |
| Geometry | Familiarity with elementary geometric figures and facts, Triangle and its various kinds of centres, Congruence and similarity of triangles, Circle and its chords, tangents, angles subtended by chords of a circle, Common tangents to two or more circles. |
| Mensuration | Triangles, Quadrilaterals, Regular Polygons, Circle, Right Prism, Right Circular Cone, Right Circular Cylinder, Sphere, Hemispheres, Rectangular Parallelepiped, Regular Right Pyramid with triangular or square Base. |
| Trigonometry | Trigonometry, Trigonometric ratios, Compleme ntary angles, Height and distances (simple problems only), Standard Identities like sin2𝜃 + Cos2𝜃=1 etc. |
| Statistics and Probability | Use of Tables and Graphs: Histogram, Frequency polygon, Bar-diagram, Pie-chart, Measures of central tendency: mean, median, mode, standard deviation, Calculation of simple probabilities. |
- SSC CHSL Syllabus for Tier 2: Module-II of Section-I (Reasoning and General Intelligence)
| SSC CHSL Reasoning & General Intelligence Syllabus for Tier II | |
| Semantic Analogy | Symbolic/ Number Analogy |
| Symbolic operations | Trends, Figural Analogy |
| Space Orientation | Semantic Classification |
| Venn Diagrams | Symbolic/ Number Classification |
| Drawing inferences | Figural Classification |
| Punched hole/ pattern-folding & unfolding | Semantic Series |
| Figural Pattern-folding and completion | Number Series |
| Embedded figures | Figural Series |
| Critical Thinking | Problem -Solving |
| Emotional Intelligence | Word Building |
| Social Intelligence | Coding and de-coding |
| Numerical Operations | Decision Making |
- Syllabus for SSC CHSL Tier II Module-I of Section-II (English Language And Comprehension)
| SSC CHSL English Syllabus for Tier II | |
| Vocabulary | One-word Substitution |
| Grammar | Improvement of Sentences |
| Sentence Structure | Active/ Passive Voice of Verbs |
| Synonyms | Conversion into Direct/ Indirect Narration |
| Antonyms | Shuffling of Sentence Parts |
| Spot the Error | Shuffling of Sentences in a Passage |
| Fill in the Blanks | Cloze Passage |
| Spellings/ Detecting Mis-spelt Words | Comprehension Passage |
| Idioms and Phrases | Homonyms |
- SSC CHSL Tier II Syllabus for Module-II of Section-II (General Awareness)
| SSC CHSL General Awareness Syllabus for Tier II | |
| Subject | Topics |
| History | Ancient, Medieval, Modern Indian History; World History |
| Culture | Indian Culture, Art & Architecture, Literature, Music, Dance, Festivals |
| Geography | Physical Geography, Indian Geography, World Geography |
| Economic Scene | Indian Economy, Economic Development, Poverty, Demographics, Social Sector initiatives |
| General Policy | Indian Polity, Constitution of India, Governance, Public Policy, Rights issues, Panchayati Raj, etc. |
| Scientific Research | General Scientific phenomena, Recent developments, Current affairs related to Science & Technology |
| Current Affairs | Important events and developments of National & International importance |
- SSC CHSL Tier II Syllabus of Module-I of Section-III of Paper-I (Computer Proficiency)
| SSC CHSL Computer Syllabus for Tier II | – |
| Unit | Topics |
| Computer Basics | Organization of a computer Central Processing Unit (CPU)Input/output devices Computer memory, Memory organization Backup devices Ports Windows Explorer Keyboard shortcuts Software’s |
| Windows Operating System | Microsoft Office like MS Word, MS Excel, and PowerPoint |
| Working with Internet and E-mails | Web Browsing & Searching Downloading & Uploading Managing an E-mail Account e-Banking |
| Basics of Networking and Cybersecurity | Networking devices and protocols Network and information security threats (e.g., hacking, virus, worms, Trojan, etc.) and preventive measures. |