The Staff Selection Commission (SSC) has officially released the notification for the Combined Higher Secondary Level (CHSL) 2025 recruitment. Candidates aiming for posts such as Lower Division Clerk (LDC), Junior Secretariat Assistant (JSA), Postal Assistant, and Data Entry Operator (DEO) can now begin their preparation. Understanding the SSC CHSL Syllabus 2025 along with the Tier I and Tier II exam pattern is crucial to scoring well in the examination.
Proper knowledge of the updated syllabus, section-wise topics, and marking scheme plays a vital role in effective exam preparation. Reviewing previous year question papers and understanding the SSC CHSL selection process can significantly enhance your chances of success. With the right strategy and focused study, candidates can not only aim for a high score but also secure a position in the final merit list and avail the benefits of SSC CHSL salary and allowances.
SSC CHSL 2025 Recruitment
Vacancy Details
- Lower Division Clerk (LDC)
- Junior Secretariat Assistant (JSA)
- Postal Assistant (PA) / Sorting Assistant
- Data Entry Operator (DEO)
Mode of Selection
- Computer-Based Examination (Tier-I)
- Computer-Based Examination (Tier-II)
- Skill Test / Typing Test
- Final Merit List
Important Date
Exam Pattern
Tier I
| Time | 60 Minutes, |
| Mode of the exam | Online |
| Medium of paper | Hindi and English |
| Number of questions | 100 |
| Question types | Multiple choice questions |
| Total marks | 200 |
Tier I Subjects
The Tier-I exam comprises objective-type multiple-choice questions only. Questions for Part II, III, and IV will be available in English, Hindi, and any other language selected by the candidate in the application form, as specified in Annexure-XVI.
Each incorrect answer will result in a deduction of 0.50 marks as negative marking. Candidates are strongly advised to consider this penalty while attempting the questions to avoid unnecessary score reduction.
| Part | Topics | No. of questions | Maximum marks |
| 1 | General Awareness | 25 | 50 |
| 2 | General English | 25 | 50 |
| 3 | General Intelligence | 25 | 50 |
| 4 | Quantitative Aptitude | 25 | 50 |
| Total | ——– | 100 | 200 |
SSC CHSL Syllabus 2025 Details
Module-I of Session-I
| Chapter | Topics |
| Number Systems | • Relationship between numbers • Decimal and Fractions • Computation of Whole Number |
| Fundamental arithmetical operations | • Mixture and Allegation • Time and distance • Square roots • Averages • Interest • Percentages • Discount • Partnership Business • Profit and Loss • Ratio and Proportion • Time and work |
| Algebra | • Basic algebraic identities of School Algebra and Elementary surds (simple problems) Graphs of Linear Equations |
| Geometry | Familiarity with elementary geometric figures and facts: • Triangle and its various kinds of center’s • Congruence and similarity of triangles • Circle and its chords • Tangents • Angles subtended by chords of a circle • Common tangents to two or more circles. |
| Mensuration | • Triangle • Quadrilaterals • Regular Polygons • Circle • Right Prism • Right Circular Cone • Right Circular Cylinder • Sphere • Hemispheres • Rectangular Parallelepiped • Regular Right Pyramid with triangular or square Base |
| Trigonometry | • Trigonometry • Trigonometric ratios • Complementary angles • Height and distances (simple problems only) Standard Identities like sin2𝜃 + Cos2𝜃=1 etc. |
| Statistics and probability | Use of Tables and Graphs • Histogram • Frequency polygon • Bar-diagram • Pie-chart • Measures of central tendency: mean, median, mode, standard deviation • calculation of simple probabilities |
Module-II of Section-I
Verbal and non-verbal type
- Semantic Analogy
- Symbolic operations
- Symbolic/ Number Analogy
- Trends, Figural Analogy
- Space Orientation
- Semantic Classification
- Venn Diagrams
- Symbolic/ Number Classification
- Drawing inferences
- Figural Classification
- Punched hole/ pattern-folding & unfolding
- Semantic Series
Module-I of Section-II
- Vocabulary
- Grammar
- Sentence structure
- Synonyms/Homonyms
- Antonyms
- Spot the Error
- Fill in the Blanks
- Spellings/ Detecting mis-spelt words
- Idioms & Phrases
- One–word substitution
- Improvement of Sentences
Module-II of Section-II
Questions are designed to assess awareness of current events and everyday observations, particularly from a scientific perspective, as expected from an educated individual. The section also includes questions related to India and its neighboring countries, focusing especially on topics such as:
- History
- Culture
- Geography
- Economic Scene
- General policy
- Scientific research
FAQs
What is the exam pattern for SSC CHSL Tier I 2025?
Tier I is a computer-based test with 100 multiple-choice questions from four sections, each carrying 25 questions and 50 marks. Duration is 60 minutes.
Is there negative marking in SSC CHSL 2025?
Yes, there is a penalty of 0.50 marks for each wrong answer in Tier I. Candidates should answer carefully to avoid score deductions.
What subjects are included in the SSC CHSL Tier I exam?
The four sections are General Awareness, General English, General Intelligence, and Quantitative Aptitude, each carrying equal weight.
What topics are covered in the Quantitative Aptitude section?
Topics include number systems, algebra, geometry, mensuration, trigonometry, statistics, and arithmetic operations like time, work, profit/loss, and percentages.
What does the General Awareness section assess?
It tests current affairs, general knowledge, and understanding of topics related to India and its neighboring countries including history, culture, and science.
Conclusion
SSC CHSL Syllabus 2025 provides a clear roadmap for candidates preparing for LDC, JSA, DEO, and related posts. With a well-structured Tier I and Tier II exam format, understanding each section thoroughly is essential. Focused preparation, combined with awareness of current affairs, reasoning, and aptitude, can ensure success. Make use of official resources, past papers, and strategic revision to secure your place in the final merit list.
