Syllabus
SSC CHSL Syllabus 2025 – Tier 1 & 2 Exam Pattern, PDF Download
Access the latest SSC CHSL 2025 syllabus for Tier 1 & Tier 2, including detailed subject-wise topics, updated exam patterns, and a free PDF download to streamline your preparation.
The Staff Selection Commission Combined Higher Secondary Level (SSC CHSL) is a competitive exam for candidates who have completed their 10+2 and aim to work in various central government departments. It offers posts like Lower Division Clerk (LDC), Junior Secretariat Assistant (JSA), Data Entry Operator (DEO), and Postal Assistant/Sorting Assistant (PA/SA).
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To crack the SSC CHSL exam, a deep understanding of the topic-wise syllabus, expected question weightage, and a solid strategy is essential. This guide covers the full syllabus, best books, smart tips, and provides a PDF download of the SSC CHSL syllabus.
SSC CHSL 2025 Exam Pattern Overview
| Tier | Mode | Type | Subjects | Time Duration |
|---|---|---|---|---|
| Tier I | Online (CBT) | Objective MCQs | English, Quant, Reasoning, GA | 60 mins |
| Tier II | Online (CBT) | Objective + Skill | Maths, Reasoning, English, GA, Computer, Typing | 90 mins |
SSC CHSL Topic-Wise Syllabus & Number of Questions (Tier I)
1. English Language (20-22 Questions)
| Topic | Description/Details |
|---|---|
| Spot the Error | Identify grammatical mistakes in sentences. |
| Fill in the Blanks | Choose the correct word to complete sentences. |
| Synonyms/Antonyms | Find words with similar or opposite meanings. |
| Idioms & Phrases | Understand and apply common idioms and phrases. |
| One-word Substitution | Replace phrases with single words. |
| Reading Comprehension | Answer questions based on passages. |
| Cloze Test | Fill missing words in a passage. |
| Sentence Improvement | Correct sentences grammatically. |
2. General Intelligence (Reasoning) (20-22 Questions)
| Topic | Description/Details |
|---|---|
| Analogy | Find relationships between word pairs. |
| Series (Numeric/Alphabet) | Identify patterns in number or letter series. |
| Coding-Decoding | Decode or encode messages using given rules. |
| Blood Relations | Solve family relation problems. |
| Direction Sense | Answer questions on directions and distances. |
| Syllogism | Deduce conclusions from given statements. |
| Venn Diagrams | Analyze set relations and intersections. |
| Embedded Figures, Puzzles | Identify hidden figures and solve puzzles. |
3. Quantitative Aptitude (20-22 Questions)
| Topic | Description/Details |
|---|---|
| Number System | Work on numbers, divisibility, and properties. |
| Simplification | Simplify arithmetic expressions. |
| Ratio & Proportion | Solve problems involving ratios. |
| Percentage | Calculate percentages and related problems. |
| Profit & Loss | Compute profit, loss, and discounts. |
| Simple & Compound Interest | Calculate interest on principal amounts. |
| Time & Work | Solve problems on work and time relations. |
| Time, Speed, and Distance | Solve speed and distance-based problems. |
| Algebra, Geometry & Mensuration | Questions on equations, shapes, and measurements. |
| Data Interpretation | Interpret data from charts and graphs. |
4. General Awareness (20-25 Questions)
| Topic | Description/Details |
|---|---|
| Current Affairs | Recent national and international events. |
| History | Important historical facts and events. |
| Polity | Indian Constitution and political system basics. |
| Geography | Physical and political geography knowledge. |
| Economics | Basic economic concepts and current economy. |
| Science (Physics, Chemistry, Biology) | Basic science concepts from physics, chemistry, biology. |
| Static GK | General knowledge facts, awards, books, etc. |
SSC CHSL Tier II Detailed Syllabus – Separate Tables by Subject
1. Mathematical Abilities (30 Questions)
| Topic | Description/Details |
|---|---|
| Number System | Basic operations, divisibility, factors, multiples |
| LCM & HCF | Least common multiple, highest common factor |
| Simplification | Arithmetic simplification and approximations |
| Percentage | Calculation, increase/decrease percentages |
| Ratio & Proportion | Solving ratio-related problems |
| Profit & Loss | Cost price, selling price, profit, loss |
| Discount | Successive discounts, marked price |
| Simple & Compound Interest | Interest calculations over time |
| Time, Work & Wages | Work efficiency, combined work |
| Time, Speed & Distance | Problems involving speed, distance, and time |
| Averages | Mean calculations |
| Mixture & Alligation | Problems on mixing solutions |
| Algebra | Linear & quadratic equations |
| Geometry | Properties of lines, triangles, circles |
| Mensuration | Area, volume of 2D & 3D shapes |
| Trigonometry | Heights and distances, basic trigonometric ratios |
| Data Interpretation | Tables, bar graphs, pie charts, line graphs |
2. Reasoning & General Intelligence (30 Questions)
| Topic | Description/Details |
|---|---|
| Analogies | Finding relationships between pairs |
| Classification | Identifying odd one out or groups |
| Series (Number/Alphabet) | Finding next term or pattern |
| Coding-Decoding | Letter/number codes |
| Blood Relations | Family tree and relation puzzles |
| Direction & Distance | Movement-based questions |
| Matrix | Arranging information in matrix form |
| Syllogism | Logical deductions |
| Venn Diagram | Set relations and overlaps |
| Mirror & Water Images | Visual reasoning |
| Paper Folding & Cutting | Visual and spatial reasoning |
| Embedded Figures | Identifying hidden shapes |
| Puzzles & Seating Arrangement | Logical arrangement puzzles |
3. English Language and Comprehension (40 Questions)
| Topic | Description/Details |
|---|---|
| Grammar | Tenses, articles, prepositions, subject-verb agreement |
| Vocabulary | Synonyms, antonyms, one-word substitution |
| Idioms & Phrases | Commonly used English idioms |
| Cloze Test | Fill in blanks with appropriate words |
| Sentence Improvement | Correcting grammatical errors |
| Para Jumbles | Rearranging sentences to form meaningful paragraphs |
| Reading Comprehension | Passages with questions |
| Essay & Letter Writing | Descriptive writing (Tier II) |
4. General Awareness (25 Questions)
| Topic | Description/Details |
|---|---|
| Current Affairs | National and international recent events |
| Static GK | Books & authors, awards, important days |
| History | Ancient, medieval, and modern Indian history |
| Geography | Physical, Indian, and world geography |
| Indian Polity | Constitution, parliament, important acts |
| Indian Economy | Basic concepts, budget, government schemes |
| General Science | Basic physics, chemistry, biology |
| Government Schemes | Important schemes and policies |
5. Computer Knowledge (20 Questions)
| Topic | Description/Details |
|---|---|
| Fundamentals of Computers | Basics of hardware and software |
| Input & Output Devices | Keyboard, mouse, printer, monitor, etc. |
| Operating Systems | Windows basics, file management |
| MS Office | Word, Excel, PowerPoint basics |
| Internet & Browsers | Browsing, search engines, URLs |
| Email & Communication | Email accounts, sending/receiving emails |
| Cyber Security Basics | Viruses, malware, firewall, safe browsing |
| Keyboard Shortcuts | Common shortcuts for efficiency |
6. Skill Test / Typing Test (Qualifying)
| Test Type | Details |
|---|---|
| Typing Speed | English: 35 WPM, Hindi: 30 WPM |
| Data Entry Operator Test | 8,000 key depressions per hour (approx. 27 WPM), 15 minutes |
| Duration | 10–15 minutes |
| Evaluation Criteria | Speed + Accuracy; minimal errors |
Best Books for SSC CHSL 2025 Preparation
- English: Objective General English by SP Bakshi, Word Power Made Easy by Norman Lewis
- Maths: Fast Track Objective Arithmetic by Rajesh Verma, Quantitative Aptitude by RS Aggarwal
- Reasoning: A Modern Approach to Verbal & Non-Verbal Reasoning by RS Aggarwal
- GK: Lucent’s GK, Pratiyogita Darpan (monthly)
- Computer: Objective Computer Awareness by Arihant Experts
Top Preparation Tips for SSC CHSL 2025
- Know the syllabus: Study the topic-wise breakdown and identify high-weightage areas.
- Create a timetable: Stick to a weekly schedule and balance all subjects.
- Daily MCQs: Solve a mix of 100+ questions daily for speed and accuracy.
- Mock tests: Take at least one full mock every week. Analyze your mistakes.
- Typing practice: Regularly practice for DEO/LDC typing tests using tools like TypingTest.com.
- Revise current affairs: Make daily notes and revise monthly compilations.
Download SSC CHSL Syllabus 2025 PDF
Click below to download the full syllabus in PDF format and start your preparation on the right track:
👉 Download SSC CHSL 2025 Syllabus PDF
Conclusion
The SSC CHSL 2025 exam is a golden opportunity for 10+2 qualified candidates to join the central government. With a structured approach, topic-wise clarity, and regular practice, you can confidently crack the exam. Use the tables above, follow a consistent study routine, and download the syllabus PDF for offline use.
