SSC CGL ASO Syllabus 2025

SSC CGL ASO Syllabus 2025 – Tier 1 and Tier 2 Exam Pattern and Topics

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The journey to becoming an Assistant Section Officer (ASO) through SSC CGL 2025 begins with one crucial step—knowing the syllabus and exam pattern thoroughly. With stiff competition and limited vacancies, aspirants need more than just hard work; they need smart preparation guided by the right strategy. The SSC CGL exam is conducted in two tiers, each designed to test your speed, accuracy, and subject knowledge. In this blog, we’ll walk you through the SSC CGL ASO Syllabus 2025 for both Tier 1 and Tier 2, along with detailed exam patterns and key topics, so you can prepare with clarity and confidence.

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SSC CGL ASO Syllabus 2025 – Overview

The Staff Selection Commission (SSC) conducts the Combined Graduate Level (CGL) exam every year to recruit candidates for various Group B and Group C posts in ministries, departments, and organizations of the Government of India. Among these, the Assistant Section Officer (ASO) is one of the most sought-after posts because of its prestige, career growth, and work-life balance.

To crack this exam, candidates must have a clear idea of the syllabus and exam pattern for both Tier 1 and Tier 2. This helps in creating a focused preparation strategy and avoiding last-minute confusion.

Tier	Type of Exam	Mode
Tier – I	Objective Multiple Choice	Computer-Based (online)
Tier – II (Paper I, II, III)	Paper I (Compulsory for all posts), Paper II for candidates who apply for the posts of Junior Statistical Officer (JSO) in the Ministry of Statistics and Programme Implementation and Paper III for candidates who apply for the posts of Assistant Audit Officer/ Assistant Accounts Officer. Objective Type, Multiple choice questions, except for Module-II of Section-III of Paper-I	Computer-Based (online)

SSC CGL ASO Tier 1 and Tier 2 Exam Pattern 2025

The SSC CGL ASO exam is conducted in two stages – Tier 1 and Tier 2. While Tier 1 serves as a qualifying stage with basic aptitude-based questions, Tier 2 is more detailed and assesses candidates on subjects like Quantitative Aptitude, English Language & Comprehension, Reasoning, and General Studies. Understanding the exam pattern of both tiers is crucial, as it helps aspirants plan their preparation strategy effectively and focus on the sections that carry the most weight.

SSC CGL Tier 1 Exam Pattern

The Tier 1 exam is the first stage of the SSC CGL selection process and acts as a screening test for candidates. It is conducted in online mode and consists of objective-type questions from four sections – General Intelligence & Reasoning, General Awareness, Quantitative Aptitude, and English Comprehension. Each section carries equal weightage, making it important to prepare all subjects thoroughly. The paper is designed to test a candidate’s speed, accuracy, and overall aptitude within a strict time limit of 60 minutes. Also there should be negative marking of 0.50 marks for each incorrect answer.

SSC CGL Tier 1 Exam Structure 2025
Subjects	General Intelligence and Reasoning	General Awareness	Quantitative Aptitude	English Comprehension	Total
No. of Questions	25	25	25	25	100 Questions
Marks	50	50	50	50	200 Marks
Exam Duration	60 minutes (1 hour)

SSC CGL Tier 2 Exam Pattern

Paper I will be held in two sessions on the same day and is compulsory for every candidate who clears Tier 1. In Session I, candidates will attempt Section I, Section II, and Module I of Section III, while Session II will be reserved for Module II of Section III. To move forward in the selection process, it is essential for candidates to qualify in each section of Paper I.

SSC CGL Tier 2 Paper 1 Exam Pattern
Sections	Module	Subject	No. of Questions	Marks	Duration	Weightage
Section I	Module-I	Mathematical Abilities	30	60*3 = 180	1 hour	23%
Section I	Module-II	Reasoning and General Intelligence	30	60*3 = 180	1 hour	23%
Section II	Module-I	English Language and Comprehension	45	70*3 = 210	1 hour	35%
Section II	Module-II	General Awareness	25	70*3 = 210	1 hour	19%
Section III	Module-I	Computer Knowledge Test	20	20*3 = 60	15 minutes	Qualifying
Section III	Module-II	Data Entry Speed Test	One Data Entry Task		15 minutes	Qualifying
SSC CGL Tier 2 Paper 2 Exam Pattern
Paper	Section	No. of question	Maximum Marks	Duration
Paper II	Statistics	100	200	2 hours

The SSC CGL ASO Syllabus 2025 covers all important subjects from reasoning, aptitude, English, and general awareness in Tier 1, to advanced topics like Quant, English comprehension, and General Studies in Tier 2. Knowing the detailed syllabus helps candidates prepare strategically and score higher.

SSC CGL Tier 1 Syllabus 2025

1. Quantitative Aptitude Syllabus

In the SSC CGL Tier-1 exam, the Quantitative Aptitude section is designed to test a candidate’s ability to work with numbers and apply number sense effectively. Since this section is included in both Tier-1 and Tier-2, many topics overlap. Preparing these chapters thoroughly in the first stage will help you save valuable time during Tier-2. The key topics for Quantitative Aptitude, as prescribed by the commission, are listed below.

Computation of whole numbers
Decimals
Fractions
Relationships between numbers
Profit and Loss
Discount
Partnership Business
Mixture and Alligation
Time and distance
Time & Work
Percentage
Ratio & Proportion
Square roots
Averages
Interest
Basic algebraic identities of School Algebra & Elementary surds
Graphs of Linear Equations
Triangle and its various kinds of centres
Congruence and similarity of triangles
Circle and its chords, tangents, angles subtended by chords of a circle, common tangents to two or more circles
Triangle
Quadrilaterals
Regular Polygons
Right Prism
Right Circular Cone
Right Circular Cylinder
Sphere
Heights and Distances
Histogram
Frequency polygon
Bar diagram & Pie chart
Hemispheres
Rectangular Parallelepiped
Regular Right Pyramid with triangular or square base
Trigonometric ratio
Degree and Radian Measures
Standard Identities
Complementary angles

2. General Intelligence and Reasoning Syllabus

The SSC CGL 2025 General Intelligence and Reasoning syllabus includes a mix of verbal and non-verbal topics. This section plays a crucial role in assessing a candidate’s logical thinking, problem-solving ability, and presence of mind in different situations. The detailed list of topics for this section is given below.

Analogies
Similarities and differences
Space visualization
Spatial orientation
Problem-solving
Analysis
Judgment
Blood Relations
Decision making
Visual memory
Discrimination
Observation
Relationship concepts
Arithmetical reasoning
Figural classification
Arithmetic number series
Non-verbal series
Coding and decoding
Statement conclusion
Syllogistic reasoning

3. English Language Syllabus

In SSC CGL Tier-1, the English section is conducted solely in the English language. This part of the exam evaluates a candidate’s grasp of the subject, along with their comprehension skills and writing ability. Building a strong command over the topics mentioned below will help aspirants secure a high score in this section.

Idioms and Phrases
One word Substitution
Sentence Correction
Error Spotting
Fill in the Blanks
Spellings Correction
Reading Comprehension
Synonyms-Antonyms
Active Passive
Sentence Rearrangement
Sentence Improvement
Cloze test

4. General Awareness Syllabus

This part of the exam is designed to check a candidate’s knowledge of General Awareness and General Science and how these concepts relate to daily life and society. The syllabus for this section is quite broad, covering a wide range of topics.

India and its neighbouring countries especially pertaining to History, Culture, Geography, Economic Scene, General Policy & Scientific Research
Science
Current Affairs
Books and Authors
Sports
Important Schemes
Important Days
Portfolio
People in News
Static GK

SSC CGL Tier 2 Syllabus 2025 (Paper I)

1. Module I of Section I – Mathematical Abilities:

The primary aim of this section is to evaluate a candidate’s ability to handle numbers and apply numerical concepts effectively. While it is also a part of the Tier-1 exam, the difficulty level and question pattern in Tier-2 are set to be more detailed and moderately challenging. Hence, candidates should strengthen their preparation by focusing on the topics mentioned below.

Topics	Sub-topics
Number Systems	Computation of Whole Number Decimal 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 Mixture and Alligation Time and distance Time and work
Algebra	Basic algebraic identities of School Algebra and Elementary surds (simple problems) Graphs of Linear Equations
Geometry	Similarity with elementary geometric figures and facts: Triangle and its various kinds of centres 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
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

2. Module II of Section I – Reasoning and General Intelligence:

This section will feature a mix of verbal and non-verbal questions, which may include topics such as:

Module-II of Section-I of Paper-I (Reasoning and General Intelligence)

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
Figural Patternfolding and completion
Number Series
Embedded figures
Figural Series
Critical Thinking
Problem-Solving
Emotional Intelligence
Word Building
Social Intelligence
Coding and de-coding
Numerical operations
Other sub-topics, if any.

3. Module I of Section II – English Language And Comprehension:

In SSC CGL Tier-2, this section is designed to assess a candidate’s fluency and command of the English language. A solid understanding of grammar, vocabulary, and comprehension topics is essential to score well here. Since the syllabus for reading comprehension is not defined, it is included to evaluate how quickly and accurately candidates can interpret and respond to given passages.

Module-I of Section-II of Paper-I (English Language And Comprehension)

Vocabulary
English Grammar
Sentence structure
Spot the Error
Fill in the Blanks,
Synonyms/Homonyms
Antonyms
Spellings/ Detecting misspelt 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, three 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 two paragraphs should be on current affairs, based on a report or an editorial.

4. Module II of Section II – General Awareness:

The questions in this section aim to assess a candidate’s awareness of their surroundings and how this knowledge can be applied to society. It also evaluates their understanding of current events and day-to-day experiences from a scientific perspective, as expected from a well-informed individual.

Module-II of Section-II of Paper-I (General Awareness)

India and its neighbouring countries especially pertaining to History, Culture, Geography, Economic Scene, General Policy & Scientific Research
Science
Current Affairs
Books and Authors
Sports
Important Schemes
Important Days & Dates
Portfolio
People in News

5. Module I of Section III – Computer Proficiency:

Topics	Sub-Topics
Computer Basics	Organization of a computer Central Processing Unit (CPU) Input/ output devices Computer memory Memory organization Back-up devices PORTs Windows Explorer Keyboard shortcuts
Software	Windows Operating system including basics of Microsoft Office like MS word, MS Excel and Power Point etc
Working with the Internet and e-mails	Web Browsing & Searching, Downloading & Uploading, Managing an E-mail Account, e-Banking
Basics of networking and cyber security	Networking devices and protocols, Network and information security threats (like hacking, virus, worms, Trojan etc.) and preventive measures

2. SSC CGL Tier 2 Syllabus – Statistics (Paper 2)

For many candidates, this section can seem challenging and tricky to grasp. The best approach is to build a clear understanding of the concepts and revise them regularly, as consistent practice will make it easier to score well. The detailed SSC CGL Tier-2 Statistics syllabus is given below,

SSC CGL Tier 2 Syllabus – Statistics (Paper 2)
Subject	Topics
1. Collection, Classification and Presentation of Statistical Data	Primary and Secondary data, Methods of data collection; Tabulation of data; Graphs and charts; Frequency distributions; Diagrammatic presentation of frequency distributions.
2. Measures of Central Tendency	Common measures of central tendency – mean median and mode; Partition values- quartiles, deciles, percentiles.
3. Measures of Dispersion- Common measures of Dispersion	range, quartile deviations, mean deviation and standard deviation; Measures of relative dispersion.
4. Moments, Skewness and Kurtosis	Different types of moments and their relationship; the meaning of skewness and kurtosis; different measures of skewness and kurtosis.
5. Correlation and Regression	Scatter diagram; simple correlation coefficient; simple regression lines; Spearman‟s rank correlation; Measures of association of attributes; Multiple regression; Multiple and partial correlation (For three variables only).
6. Probability Theory	Meaning of probability; Different definitions of probability; Conditional probability; Compound probability; Independent events; Bayes‟ theorem.
7. Random Variable and Probability Distributions	Random variable; Probability functions; Expectation and Variance of a random variable; Higher moments of a random variable; Binomial, Poisson, Normal and Exponential distributions; Joint distribution of two random variable (discrete).
8. Sampling Theory	Concept of population and sample; Parameter and statistic, Sampling and non-sampling errors; Probability and nonprobability sampling techniques(simple random sampling, stratified sampling, multistage sampling, multiphase sampling, cluster sampling, systematic sampling, purposive sampling, convenience sampling and quota sampling); Sampling distribution(statement only); Sample size decisions.
9. Statistical Inference	Point estimation and interval estimation, Properties of a good estimator, Methods of estimation (Moments method, Maximum likelihood method, Least squares method), Testing of hypothesis, Basic concept of testing, Small sample and large sample tests, Tests based on Z, t, Chi-square and F statistic, Confidence intervals.
10. Analysis of Variance	Analysis of one-way classified data and two-way classified data.
11. Time Series Analysis	Components of time series, Determination of trend component by different methods, Measurement of seasonal variation by different methods.
12. Index Numbers	Meaning of Index Numbers, Problems in the construction of index numbers, Types of index number, Different formulae, Base shifting and splicing of index numbers, Cost of living Index Numbers, Uses of Index Numbers.

3. SSC CGL Tier 2 Syllabus – General Studies-Finance and Economics (Paper 3)

In the SSC CGL Tier-2 syllabus, this section is categorized into two parts – Finance & Accounts and Economics & Governance. The detailed sub-topics for each part are listed below,

SSC CGL Tier 2 Syllabus – General Studies-Finance and Economics (Paper 3)
Part	Subject	Topics
Part A: Finance and Accounts-(80 marks)	Financial Accounting	Nature and scope Limitations of Financial Accounting Basic concepts and Conventions Generally Accepted Accounting Principles
Part A: Finance and Accounts-(80 marks)	Basic concepts of accounting	Single and double entry Books of Original Entry Bank Reconciliation Journal, ledgers Trial Balance Rectification of Errors Manufacturing Trading Profit & Loss Appropriation Accounts Balance Sheet Distinction between Capital and Revenue Expenditure Depreciation Accounting Valuation of Inventories Non-profit organisations Accounts Receipts and Payments and Income & Expenditure Accounts Bills of Exchange Self Balancing Ledgers
Part B: Economics and Governance-(120 marks)	Comptroller & Auditor General of India- Constitutional provisions, Role and responsibility
	Finance Commission-Role and functions
	Basic Concept of Economics and introduction to Micro Economics	Definition Scope and nature of Economics Methods of economic study Central problems of an economy Production possibilities curve
	Theory of Demand and Supply	Meaning and determinants of demand Law of demand and Elasticity of demand Price Income and cross elasticity Theory of consumer‟s behaviour Marshallian approach and Indifference curve approach Meaning and determinants of supply Law of supply The elasticity of Supply
	Theory of Production and cost	Meaning and Factors of production Laws of production- Law of variable proportions and Laws of returns to scale.
	Forms of Market and price determination in different markets	Various forms of markets-Perfect Competition Monopoly Monopolistic Competition Oligopoly Price determination in these markets.
	Indian Economy	Nature of the Indian Economy Role of different sectors, Role of Agriculture, Industry and Services-their problems and growth. National Income of India-Concepts of national income, Different methods of measuring national income. Population-Its size, rate of growth and its implication on economic growth. Poverty and unemployment- Absolute and relative poverty, types, causes and incidence of unemployment. Infrastructure-Energy, Transportation, Communication.
	Economic Reforms in India	Economic reforms since 1991 Liberalisation Privatisation Globalisation Disinvestment
	Money and Banking	Monetary/ Fiscal policy- Role and functions of Reserve Bank of India; functions of commercial Banks/RRB/Payment Banks. Budget and Fiscal deficits and Balance of payments. Fiscal Responsibility and Budget Management Act, 2003.
	Role of Information Technology in Governance

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SSC CGL ASO Tier 1 and Tier 2 Exam Syllabus 2025 – Download PDF

Get the complete SSC CGL ASO Tier 1 and Tier 2 Syllabus 2025 in one place for easy access. Click the link below to download the official syllabus PDF and start your preparation wiSSC CGL ASO Syllabus 2025th a clear roadmap.

CLICK HERE TO DOWNLOAD SSC CGL ASO SYLLABUS 2025 (TIER 1 AND TIER 2 EXAM)

Preparation Tips for SSC CGL ASO Exam 2025

Cracking the SSC CGL ASO exam requires smart planning along with consistent practice. Here are some easy-to-follow tips that will help you prepare better:

Know the Syllabus & Exam Pattern – Start by going through the complete syllabus for both Tier 1 and Tier 2. This will help you understand which areas need more focus.
Make a Study Plan – Divide your time wisely between all subjects. Give more hours to your weaker sections but don’t ignore the stronger ones.
Practice Mock Tests & Previous Papers – Regular practice of mock tests and previous year papers will improve your speed, accuracy, and confidence.
Focus on Basics First – Strengthen your fundamentals in Quantitative Aptitude, Grammar, and Reasoning before moving to advanced-level questions.
Stay Updated with Current Affairs – Read newspapers, magazines, or online resources daily to boost your General Awareness section.
Revise Regularly – Keep time aside for revision so that you don’t forget what you studied earlier.
Stay Consistent & Positive – Consistency is key. Study a little every day and stay motivated throughout your preparation journey.

With the right strategy and determination, securing the ASO post through SSC CGL 2025 is definitely achievable.

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Frequently Asked Questions

What is the syllabus for SSC CGL ASO 2025?

The syllabus includes subjects like General Intelligence & Reasoning, General Awareness, Quantitative Aptitude, and English Comprehension for Tier 1. Tier 2 covers Quant, English, Reasoning, General Studies (Finance & Economics) along with other papers for specific posts.

How many papers are there in SSC CGL Tier 2 for ASO?

For ASO, Paper I is compulsory and includes multiple sections. Other papers like Statistics and General Studies (Finance & Economics) are only for certain posts.