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).

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

  1. Know the syllabus: Study the topic-wise breakdown and identify high-weightage areas.
  2. Create a timetable: Stick to a weekly schedule and balance all subjects.
  3. Daily MCQs: Solve a mix of 100+ questions daily for speed and accuracy.
  4. Mock tests: Take at least one full mock every week. Analyze your mistakes.
  5. Typing practice: Regularly practice for DEO/LDC typing tests using tools like TypingTest.com.
  6. 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.

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