The SSC CHSL 2025 (Staff Selection Commission Combined Higher Secondary Level) exam is a key opportunity for 10+2 graduates aiming for roles like Lower Divisional Clerk (LDC), Junior Secretariat Assistant (JSA), and Data Entry Operator (DEO). This blog provides a detailed, topic-wise syllabus for Tier 1 and Tier 2, including weightage, exam pattern, and preparation strategies. For more resources, visit Daily Affairs Hub or download the syllabus PDF at SSC CHSL Resources.

SSC CHSL Syllabus 2025: Tier 1 & 2 Topic-Wise Breakdown, Exam Pattern, and Preparation Tips



Index

  • SSC CHSL 2025 Exam Pattern
  • Tier I Syllabus: Topic-Wise Breakdown & Weightage
    • General Intelligence
    • General Awareness
    • Quantitative Aptitude
    • English Language
  • Tier II Syllabus: Topic-Wise Breakdown & Weightage
    • Module I: Mathematical Abilities & Reasoning
    • Module II: English, General Awareness, Computer Knowledge
    • Session II: Skill Test/Typing Test
  • Tier III Syllabus: Skill Test
  • Preparation Tips
  • Conclusion

SSC CHSL 2025 Exam Pattern

The SSC CHSL 2025 exam consists of three tiers: Tier I (Preliminary), Tier II (Mains), and Tier III (Skill Test). Below is the exam pattern overview.

Tier Mode Sections Marks Duration
Tier I Online (MCQs) General Intelligence, General Awareness, Quantitative Aptitude, English Language 200 60 minutes
Tier II Online (MCQs + Skill Test) Session I: Module I (Maths, Reasoning), Module II (English, GA, Computer); Session II: Skill Test 405 2 hours 15 minutes
Tier III Offline (Skill Test) Typing Test, Data Entry Speed Test Qualifying Varies

Key Point

  • Negative Marking: 0.50 marks per wrong answer in Tier I; 1 mark in Tier II (Sections 1, 2, and Module 1 of Section 3).
  • Tier I: Qualifying in nature.
  • Tier II & III: Contribute to final merit for posts like LDC, JSA, and DEO.

Tier I Syllabus: Topic-Wise Breakdown & Weightage

Tier I is a computer-based exam with four sections, each with 25 questions and 50 marks, completed in 60 minutes (80 minutes for PwD candidates).

General Intelligence

Tests logical and analytical reasoning, ideal for high scores.

Topic Sub-Topics Weightage
Analogy Semantic, symbolic, number-based 3-4 questions
Classification Number, letter, figure-based 2-3 questions
Series Number, alphabet, mixed series 2-3 questions
Coding-Decoding Letter, number, symbol-based 2-3 questions
Blood Relations Family tree, coded relations 1-2 questions
Direction & Distance Directions, distances, turns 1-2 questions
Order & Ranking Position, rank-based problems 1-2 questions
Puzzles Seating arrangement, scheduling 3-4 questions
Syllogism 2-3 statement syllogisms 2-3 questions
Venn Diagram Logical Venn diagrams 1-2 questions
Non-Verbal Reasoning Mirror images, paper folding, figure completion 2-3 questions

Pro Tip
Solve puzzles and syllogisms daily using A Modern Approach to Verbal & Non-Verbal Reasoning by R.S. Aggarwal. Visit Reasoning Tips for shortcuts.


General Awareness

Covers current affairs and static GK, testing societal and scientific knowledge.

Topic Sub-Topics Weightage
Current Affairs National/international news, awards, summits (6-12 months) 5-6 questions
History Ancient, Medieval, Modern India, freedom struggle 3-4 questions
Geography Physical, Indian, world geography 3-4 questions
Polity Indian Constitution, governance, amendments 2-3 questions
Economy Basic economy, budget, economic survey 2-3 questions
Science Physics, Chemistry, Biology (NCERT-based) 3-4 questions
Static GK Countries, capitals, currencies, important days 2-3 questions

Pro Tip
Study Lucent’s General Knowledge and follow Daily Affairs Hub for current affairs. Refer to PIB for government schemes.


Quantitative Aptitude

Tests numerical skills and problem-solving speed, a challenging section.

Topic Sub-Topics Weightage
Simplification BODMAS, fractions, decimals, percentages 2-3 questions
Number Series Missing/wrong number series 2-3 questions
Data Interpretation Table, bar graph, line graph, pie chart 3-4 questions
Arithmetic Ratio, Percentage, Profit & Loss, Time & Work, Time-Speed-Distance, SI/CI, Average, Mixture, Ages 8-10 questions
Quadratic Equations Root comparison, solving equations 1-2 questions
Mensuration 2D/3D shapes (triangle, circle, cube) 2-3 questions
Trigonometry Basic identities, heights & distances 1-2 questions
Algebra Linear equations, basic identities 1-2 questions

Pro Tip
Master shortcuts with Fast Track Objective Arithmetic by Rajesh Verma. Practice DI on Testbook. Visit Quant Tips.


English Language

Evaluates grammar, vocabulary, and comprehension, often high-scoring.

Topic Sub-Topics Weightage
Reading Comprehension Passages (social issues, economy) 5-6 questions
Cloze Test Fill-in-the-blanks with grammar/vocabulary 4-5 questions
Spotting Errors Grammatical errors (tense, prepositions) 3-4 questions
Sentence Improvement Replacing incorrect words/phrases 2-3 questions
Para Jumbles Sentence rearrangement 2-3 questions
Fill in the Blanks Single/double fillers 2-3 questions
Vocabulary Synonyms, antonyms, idioms, one-word substitutions 3-4 questions

Pro Tip
Improve vocabulary with Word Power Made Easy by Norman Lewis. Practice RC on Adda247. Check English Tips.


Tier II Syllabus: Topic-Wise Breakdown & Weightage

Tier II is a computer-based exam with two sessions: Session I (Module I: Mathematical Abilities & Reasoning; Module II: English, GA, Computer Knowledge) and Session II (Skill Test/Typing Test). Total marks: 405, duration: 2 hours 15 minutes.

Module I: Mathematical Abilities & Reasoning

Section Topics Weightage
Mathematical Abilities Same as Tier I Quant (advanced: probability, statistics) 30 questions / 90 marks
Reasoning & General Intelligence Same as Tier I Reasoning (advanced puzzles, critical thinking) 30 questions / 90 marks

Module II: English, General Awareness, Computer Knowledge

Section Topics Weightage
English Language & Comprehension Advanced RC, cloze test, error spotting, active/passive voice 45 questions / 135 marks
General Awareness Current affairs, static GK (India, neighboring countries) 25 questions / 75 marks
Computer Knowledge Basics, MS Office, internet, email, cybersecurity 20 questions / 60 marks

Session II: Skill Test/Typing Test

  • Data Entry Speed Test (DEST): Qualifying for DEO posts, 2000 key depressions in 15 minutes (8,000 KPH).
  • Typing Test: Qualifying for LDC/JSA, 35 WPM (English) or 30 WPM (Hindi).

Pro Tip
Practice advanced problems on Oliveboard. For computer knowledge, refer to Computer Awareness by Arihant. Visit Computer Tips.


Tier III Syllabus: Skill Test

Tier III is a qualifying skill test conducted offline for specific posts.

Test Details
Data Entry Speed Test (DEO) 2000 key depressions in 15 minutes (8,000 KPH)
Typing Test (LDC/JSA) English (35 WPM) or Hindi (30 WPM)

Pro Tip
Practice typing daily using TypingTest.com. Check Skill Test Guide.


Preparation Tips

Strategy Details
Study Plan Create a timetable covering all topics, prioritizing high-weightage areas.
Recommended Books Quantitative Aptitude by R.S. Aggarwal, Verbal & Non-Verbal Reasoning by R.S. Aggarwal, Objective General English by S.P. Bakshi, Lucent’s General Knowledge by Dr. Binay Karna
Mock Tests Practice on [Gradeup](https://gradeup.co/) or [Bankersadda](https://www.bankersadda.com/) to simulate exam conditions.
Current Affairs Follow [Daily Affairs Hub](https://dailyaffairshub.blogspot.com/p/current-affairs.html) for daily updates.
Time Management Use Pomodoro or time-blocking for focused study sessions.

Expert Advice
“Revise key topics 3-4 times and solve previous years’ papers to master question trends.” – SSC CHSL Topper
Visit Topper Strategies for more insights.