The Staff Selection Commission (SSC) Combined Higher Secondary Level (CHSL) examination is a gateway to various government jobs such as Data Entry Operator (DEO), ssc mts syllabus Lower Division Clerk (LDC), and Junior Secretariat Assistant (JSA). With the 2025 notification around the corner, understanding the syllabus is crucial for aspirants aiming to clear the exam. The SSC CHSL exam is conducted in two tiers—Tier I and Tier II. Below is a comprehensive breakdown of the syllabus for each tier.
Tier I: Computer-Based Examination (Objective Type)
Tier I is an online objective test consisting of four sections, each carrying 25 questions for 50 marks. The total duration is 60 minutes (80 minutes for candidates eligible for scribes). There is a negative marking of 0.50 marks for each wrong answer.
1. General Intelligence and Reasoning
Classification
Analogy
Coding-Decoding
Puzzle
Series (number and alphabet)
Venn Diagrams
Blood Relations
Direction and Distance
Ranking
Non-verbal reasoning (image-based questions)
2. General Awareness
Current Affairs (national and international)
History, Geography, Polity, and Economics (basic level)
Static GK (important dates, books/authors, etc.)
General Science (Physics, Chemistry, Biology – basics)
Awards and Honors
Government schemes
3. Quantitative Aptitude (Basic Arithmetic Skills)
Number System
HCF & LCM
Percentage
Ratio and Proportion
Profit and Loss
Simple and Compound Interest
Time and Work
Speed, Time and Distance
Mensuration (2D and 3D)
Algebra (basic)
Data Interpretation (tables, bar graphs, pie charts)
4. English Language
Spotting the Error
Fill in the Blanks
Synonyms/Antonyms
One-word Substitution
Idioms and Phrases
Sentence Correction
Cloze Test
Reading Comprehension
Tier II: Skill Test and Descriptive Paper
Tier II has two components: a descriptive paper and a skill/typing test, depending on the post applied for.
1. Descriptive Paper
Mode: Pen and Paper (offline)
Language: English or Hindi
Word Limit: 200–250 words for essay, 150–200 words for letter/application
Duration: 1 hour
Objective: To assess writing skills essential for government jobs
Topics are usually related to current affairs, social issues, or formal communication.
2. Skill Test / Typing Test
Applicable for DEO, LDC, and JSA posts
DEO: Data entry speed of 8,000 key depressions/hour on the computer
Typing Test:
English: 35 w.p.m.
Hindi: 30 w.p.m.
Duration: 15 minutes (20 minutes for candidates eligible for scribes)
Conclusion
Success in SSC CHSL 2025 demands a balanced preparation strategy across all tiers. Understanding the syllabus in detail helps aspirants create a focused study plan. Regular mock tests, current affairs updates, and practice in writing can give a significant edge. Stay consistent, revise frequently, and manage time wisely to crack this competitive exam.