The Staff Selection Commission (SSC) conducts the Combined Higher Secondary Level (CHSL) Examination every year to recruit candidates for various posts such as Lower Division Clerk (LDC), Junior Secretariat Assistant (JSA) and Data Entry Operator (DEO). To succeed in this highly competitive exam, candidates must be aware with the latest SSC CHSL Syllabus 2025 and Exam Pattern for both Tier 1 and Tier 2. This article provides a complete overview of the SSC CHSL 2025 syllabus and exam structure to help aspirants prepare effectively.
SSC CHSL Syllabus 2025
SSC CHSL 2025 syllabus includes four main sections: General Intelligence and Reasoning, General Awareness, Quantitative Aptitude, and English Language. General Intelligence and Reasoning tests your thinking and problem-solving skills. General Awareness includes current events, history, geography, and more. Quantitative Aptitude checks your math skills, and English Language tests your grammar, understanding, and vocabulary. Preparing well for these areas will help you do well in the exam.
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SSC CHSL Tier 1 Exam Pattern 2025
The SSC CHSL Tier 1 is a Computer-Based Examination consisting of 100 questions across four subjects, to be completed in 60 minutes. Each section includes 25 questions, with each question worth 2 marks, making a total of 50 marks per section. The Tier-I exam is qualifying in nature, and the marks obtained in this tier are considered for merit calculation. For a detailed breakdown of the exam pattern, please refer to the information provided below.
| SSC CHSL 2025 Tier 1 Exam Pattern | |||||
| Section | Subject | No. Of Questions | Max. Marks | Exam Duration | Negative Marking |
| 1 | General Intelligence and Reasoning | 25 | 50 | 60 minutes (80 minutes visually handicapped) | 0.5 marks in all sections |
| 2 | General Awareness | 25 | 50 | ||
| 3 | Quantitative Aptitude | 25 | 50 | ||
| 4 | English Comprehension | 25 | 50 | ||
| Total | 100 | 200 | |||
SSC CHSL Syllabus 2025 (Tier 1)
SSC CHSL Tier 1 consists of four sections: General Intelligence and Reasoning, General Awareness, Quantitative Aptitude, and English Comprehension. To excel in this examination, it is essential to understand the detailed SSC CHSL Syllabus 2025 for both Tier 1 and Tier 2. Familiarity with the topics will help you plan your study effectively, allowing you to strategize based on your strengths and weaknesses.
SSC CHSL Syllabus for General Intelligence and Reasoning
This section of the question paper is designed to assess candidates’ critical thinking and decision-making skills by requiring them to derive logical solutions from limited information. To excel in this section, candidates need a solid foundation in mathematics, the English language, and general awareness. Below is the detailed SSC CHSL Syllabus 2025 for the General Intelligence and Reasoning section of the SSC CHSL 2025 exam.
- Logical Reasoning
- Alphanumeric Series
- Ranking/Direction/Alphabet Test
- Data Sufficiency
- Coded Inequalities
- Seating Arrangement
- Puzzle
- Tabulation
- Syllogism
- Blood Relations
- Input-Output
- Coding-Decoding
SSC CHSL Quantitative Aptitude Syllabus
The Quantitative Aptitude section evaluates candidates’ mathematical and analytical skills. It covers a broad range of topics, including arithmetic, algebra, geometry, trigonometry, and data interpretation. To prepare effectively for this section, candidates should focus on developing conceptual clarity and practicing various questions from mock tests and previous years’ papers. Below is the detailed SSC CHSL Tier 1 Maths Syllabus for your reference:
- Simplification
- Profit & Loss
- Mixtures & Allegations
- Simple Interest & Compound Interest & Surds & Indices
- Work & Time
- Time & Distance
- Mensuration – Cylinder, Cone, Sphere
- Data Interpretation
- Ratio & Proportion, Percentage
- Number Systems
- Sequence & Series
- Permutation, Combination &Probability
SSC CHSL Syllabus English Language and Comprehension
The English Language and Comprehension section of the SSC CHSL examination is a critical component with significant weightage. This section assesses candidates’ proficiency in English, focusing on grammar, vocabulary, and writing skills. Below is the topic-wise syllabus for the English Language and Comprehension section:
- Reading Comprehension
- Cloze Test
- Para jumbles
- Miscellaneous
- Fill in the blanks
- Multiple Meaning/Error Spotting
- Paragraph Completion
- One Word Substitution
- Active/Passive Voice
- Spot the Error
- Synonyms and Antonyms
- Idioms and Phrases
- Homonyms
- Conversion into Direct and Indirect Speech (Narration)
- Shuffling of Sentences in a Passage
SSC CHSL Syllabus 2025 for General Awareness
The General Awareness section of the SSC CHSL examination assesses candidates’ knowledge of current events, daily observations, and basic scientific phenomena. It encompasses a broad range of topics, including important national and international events. To prepare effectively for this section, candidates should regularly read newspapers, magazines, and online resources to stay updated on current affairs. Here are the key areas covered in the General Awareness section:
- Indian History
- General Science
- Current Affairs
- Environmental Awareness
- Indian Polity
- Sports and Sports Person
- Books and Authors
- Awards and Honors
- Government Schemes and Policies
- Indian Geography
- Agriculture and Economy in India
SSC CHSL Tier 2 Exam Pattern 2025
Candidates who qualify for the SSC CHSL Tier 1 exam will advance to the SSC CHSL Tier 2 examination. The Tier 2 exam consists of three sections, each divided into two modules. The examination will be conducted in two sessions on the same day. Below is the updated exam pattern for the SSC CHSL 2025 Tier 2 exam:
| SSC CHSL 2025 Tier 2 Exam Pattern | ||||
| Session | Subjects | Number of Questions | Maximum Marks | Duration |
| Session I (2 hours and 15 minutes) | Section-I: Module-I: Mathematical Abilities Module-II: Reasoning and General Intelligence. |
30 30 Total = 60 |
60*3 = 180 | 1 hour (for each section) (1 hour and 20 minutes for the candidates eligible for scribe) |
| Section-II: Module-I: English Language and Comprehension Module-II: General Awareness |
40 20 Total = 60 |
60*3 = 180 | ||
| Section-III: Module-I: Computer Knowledge Module |
15 | 15*3 =45 | 15 Minutes (20 minutes for the candidates eligible for scribe as per Para-8.1 and 8.2) |
|
| Session-II | Section-III: Module-II: Skill Test/ Typing Test Module |
Part A: Skill Test for DEOs in Departments/Ministries specified in Para 8.1 of Notification | Printed passage of 3700-4000 key depressions | 15 Minutes (20 minutes for the candidates eligible for scribe) |
| Part B: Skill Test for DEOs in Departments/Ministries EXCEPT those specified in Para 8.1 of Notification | Printed passage of 2000-2200 key depressions | 15 Minutes (20 minutes for the candidates eligible for scribe) | ||
| Part C: Typing Test for LDC/ JSA | English: 35 WPM or Hindi: 30 WPM | 10 Minutes (15 minutes for the candidates eligible) |
||
SSC CHSL Syllabus 2025 (Tier 2)
The Staff Selection Commission has revised the SSC CHSL Tier 2 exam pattern and syllabus for 2025. The Tier 2 exam will include multiple-choice questions (MCQs) in all modules except for Module 2 of Section 3, which involves descriptive writing. The exam will be available in English and Hindi, except for Module 2 (English Language and Comprehension) in Section 2. Additionally, there will be a negative marking of 1 mark for each incorrect answer in Section 1, Section 2, and Module 1 of Section 3. Below is a detailed overview of the revised section-wise SSC CHSL Syllabus 2025 for the SSC CHSL Tier 2 exam.
SSC CHSL Mathematical Abilities Syllabus
Candidates preparing for the SSC CHSL examination should focus on the topics mentioned below for the SSC CHSL Maths Syllabus and start practicing the wide range of practice papers to increase the overall score and tackle different types of mathematical problems effectively during exam time.
Number Systems:
- Computation of Whole Numbers
- Decimals and Fractions
- Relationship between Numbers.
Fundamental arithmetical operations:
- Percentages
- Ratio and Proportion
- Square roots
- Averages
- Interest (Simple and Compound)
- Profit and Loss
- Discount
- Partnership Business
- Time and distance
- Time and Work
Algebra:
- Basic algebraic identities of School Algebra and Elementary surds (simple problems) and Graphs of Linear Equations.
Geometry:
- Familiarity with elementary geometric figures and facts
- Triangle and its various kinds of centers
- 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 sin2? + Cos2?=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.
SSC CHSL General Intelligence & Reasoning Syllabus 2025
The General Intelligence and Reasoning section is a crucial part of the SSC CHSL examination, designed to evaluate candidates’ logical and analytical skills as well as their problem-solving abilities. To excel in this section, candidates should concentrate on enhancing their reasoning capabilities by thoroughly practicing the relevant topics. The SSC CHSL General Intelligence and Reasoning syllabus includes both Verbal and Non-Verbal Reasoning components:
- Semantic Analogy
- Symbolic/ Number Analogy
- Trends, Figural Analogy
- Figural Analogy
- Symbolic operations
- Semantic Classification
- Symbolic/ Number Classification
- Space Orientation
- Trends
- Venn Diagrams
- Drawing inferences
- Figural Classification
- Punched hole/ pattern-folding & unfolding
- Semantic Series
- Number Series
- Figural Series
- Figural Pattern-folding and completion
- Embedded figures
- Critical Thinking
- Problem-Solving
- Emotional Intelligence
- Word Building
- Social Intelligence
- Coding and decoding
- Numerical operations.
SSC CHSL English Language & Comprehension Syllabus For Tier 2
Candidates should have a good understanding of English grammar, including topics such as tenses, articles, prepositions, conjunctions, subject-verb agreement, etc to surpass this section easily. The SSC CHSL English Syllabus will help candidates prepare for the given topics and improve their overall score.
- Vocabulary
- Grammar
- Sentence structure
- Synonyms
- Antonyms, and their correct usage;
- Spot the Error
- Fill in the Blanks
- Homonyms
- Spellings/ Detecting misspelled words
- Idioms & Phrases
- One Word Substitution
- Improvement of Sentences
- Active/ Passive Voice of Verbs
- Conversion into Direct/ Indirect narration
- Shuffling of Sentence parts
- Shuffling of Sentences in a Passage
- Cloze Passage
- Comprehension Passage To test comprehension,
- Two or more paragraphs will be given and questions based on those will be asked
- At least one paragraph should be a simple one based on a book or a story and the other paragraph should be based on current affairs editorial or a report.
SSC CHSL General Awareness Syllabus 2025 for Tier 2
This section aims to assess a candidate’s general awareness of their surroundings and its impact on society. The General Awareness portion will test knowledge of current events and everyday observations. It will also include questions about India and its neighboring countries, focusing on:
- History: Important historical events, figures, and movements.
- Culture: Traditions, festivals, and cultural contributions.
- Geography: Physical and political geography, key landmarks, and geographical features.
- Economic Scene: Economic policies, conditions, and indicators.
- General Policy: Government policies, national and international affairs, and organizational structures.
- Scientific Research: Recent scientific advancements, discoveries, and ongoing research.
SSC CHSL Computer Knowledge Syllabus 2025 for Tier 2
The SSC CHSL Computer Syllabus covers topics related to basic computer fundamentals, hardware, and software concepts etc. Candidates preparing for Tier II of the SSC CHSL examination should ensure that they have a basic understanding of these computer-related topics.
Computer Basics:
- Organization of a computer
- Central Processing Unit (CPU)
- Input/ output devices
- Computer memory
- Memory organization
- Backup devices
- PORTs
- Windows Explorer
- Keyboard shortcuts.
Software:
- Windows Operating system, including basics of Microsoft Office, like MS Word
- MS Excel, PowerPoint, etc.
Working with the Internet and e-mails:
- Web Browsing and searching
- Downloading and uploading
- Managing an E-mail Account
- E-banking.
Basics of networking and cybersecurity:
- Networking devices and protocols
- Network and information security threats (like hacking, viruses, worms, Trojans, etc.)
- Preventive measures.
Skill test for Data Entry Operator
In this test, a candidate must have a data entry speed of 8,000 (eight thousand) Key Impressions per hour. The duration of the test will be 15 minutes, and an English document having about 2000-2200 strokes/key depressions will be given to type.
The Skill Test will be conducted for Data Entry Operators only. The typing test will be conducted for other posts i.e. LDC/ JSA.
For Skill Test:
- Module II of Section III will include the Skill Test/ Typing Test in Session II on the same day.
- Skill Test/ Typing Test will be qualifying.
- Errors in the Skill Test will be calculated up to 2 decimal places.
- Skill Test is mandatory for Data Entry Operators. No candidate is exempt from appearing in the Skill Test.
For Typing Test:
- The medium of the Typing Test will be Hindi or English.
- The candidates will have to opt for the medium of Typing Test, i.e., either Hindi or English in the online Application Form.
- The choice of Typing Test during the application form will be final. There will be no change in the medium of the Typing Test.
- Candidates opting for the English medium should have a typing speed of 35 words per minute (w.p.m.)
- The candidates opting for Hindi medium should have a typing speed of 30 words per minute (w.p.m.)
- The speed will be adjudged on the accuracy of typing on the Computer of a given text passage in 10 minutes.
| Skill Test | Speed | Time |
| Data Entry Operator | Data Entry Speed of 8000 key depressions per hour on the computer. |
|
| Data Entry Operator in certain Departments/Ministries mentioned in Para 8.1 of the Notification | The ‘speed of 15000 key depressions per hour will be considered based on the correct entry of words or key depressions as per the given passage. |
|
| Lower Division Clerk/ Junior Secretariat Assistant (LDS/JSA) | The speed of 10500 key depressions per hour will be adjudged. |
|
Tips and Tricks to Prepare for SSC CHSL 2025
The SSC CHSL Exam is among the most competitive exams in the country, and candidates who have completed their 12th standard from a recognized board are eligible to take it.
- Keep handwritten notes for each section of both stages of the examination.
- Start revision and mock tests in the early stages of your preparation to develop a grip on the concepts learned.
- Maintain a record of the mistakes made by you in attempting mocks and revisiting them to ensure that similar mistakes do not get repeated in the actual exam.
- Attempt quizzes and cover one-liner current affairs in the gaps you get during the day.
Download the SSC CHSL Previous Year Papers PDF
| SSC CHSL Related Links | |
| SSC CHSL 2025 Notification | SSC CHSL Previous Year Papers |
| SSC CHSL Salary Structure | |
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