The Staff Selection Commission (SSC) conducts the Combined Higher Secondary Level (CHSL) Exam every year to recruit candidates for posts like Lower Division Clerk (LDC), Data Entry Operator (DEO), Junior Secretariat Assistant (JSA) etc.
Since lakhs of 12th pass candidates appear for SSC CHSL, knowing the latest syllabus & exam pattern is the first step for preparation.
SSC CHSL Exam Pattern 2025
The CHSL exam is conducted in two tiers:
| Tier | Mode | Type | Subjects | Duration |
|---|---|---|---|---|
| Tier 1 | Online (CBT) | Objective (MCQ) | General Intelligence, General Awareness, Quantitative Aptitude, English Language | 60 minutes |
| Tier 2 | Online (CBT) | Descriptive + Skill/Typing Test | Essay/Letter Writing, Skill Test/Typing Test (as per post) | 60 minutes + typing |
SSC CHSL Syllabus 2025 – Subject-Wise
1. General Intelligence (Reasoning):
- Analogy
- Classification
- Coding-Decoding
- Series (Number, Alphabet, Figure)
- Venn Diagram
- Syllogism
- Blood Relation
- Puzzle & Seating Arrangement
2. General Awareness:
- Current Affairs (National & International)
- History (Medieval, Modern)
- Geography (India & World)
- Polity (Constitution, Governance)
- Economy (Budget, Schemes)
- Science (Physics, Chemistry, Biology basics)
- Static GK (Capitals, Books, Awards, Days)
3. Quantitative Aptitude (Maths):
- Number System
- Simplification, Percentage, Ratio
- Average, Profit & Loss, SI/CI
- Time, Speed & Distance, Time & Work
- Geometry, Mensuration
- Algebra & Trigonometry (Basics)
- Data Interpretation
4. English Language:
- Reading Comprehension
- Cloze Test
- Error Spotting
- Fill in the Blanks
- Synonyms & Antonyms
- Idioms & Phrases
- One Word Substitution
- Sentence Improvement
SSC CHSL Tier 2 (Descriptive & Skill Test)
- Essay & Letter Writing (200-250 words for Essay, 150-200 words for Letter).
- Typing Test: 35 words/min (English) OR 30 words/min (Hindi).
- Skill Test (DEO posts): 8,000 key depressions per hour.
Preparation Tips for SSC CHSL 2025
✅ Start with NCERT basics for Maths & GK.
✅ Practice previous year papers daily.
✅ Give at least 1 mock test per week.
✅ Focus more on English + Reasoning (high-scoring).
✅ Stay updated with current affairs (last 6 months important).
FAQ – SSC CHSL Syllabus 2025
Q1. How many subjects are there in SSC CHSL Tier 1?
👉 Four subjects – Reasoning, GK, Maths, English.
Q2. Is SSC CHSL Tier 2 descriptive?
👉 Yes, it includes Essay/Letter Writing and Skill/Typing test.
Q3. What is the SSC CHSL syllabus level?
👉 10th/12th standard level.
Q4. How many marks are in SSC CHSL Tier 1?
👉 100 questions for 200 marks (negative marking: 0.5 per wrong answer).
Q5. Can I clear SSC CHSL without coaching?
👉 Yes, with self-study, practice books, and mock tests, many candidates crack CHSL.
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