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SSC Combined Higher Secondary Level (CHSL)

Courses Overview

SSC is holding the SSC CHSL exam for the recruitment of LDC/ JSA, Postal Assistant/ Sorting Assistant and DEO respectively.


SSC CHSL exam has two different phases that candidates need to clear to get selected for various posts in the Government Offices. SSC CHSL Tier I is an Objective Multiple Choice Question paper and Tier-II will include three sections having two modules each.

Tier Type Mode
Tier – I Objective Multiple Choice Computer Based (online)
Tier – II Objective Multiple Choice + Skill Test & Typing Test Tier-II will include three sections having two modules each Computer Based (online)
CHSL Tier-I Exam Pattern

The SSC CHSL Tier I exam is a computer-based online test (CBT) exam conducted online. For each wrong attempt, candidates are penalised with 1/2 marks in the Tier-1 exam.

Section Subject No of Questions Max Marks Exam Duration
1 General Intelligence and Reasoning 25 50 60 Minutes
2 General Awareness 25 50
3 Quantitative Aptitude 25 50
4 English Comprehension 25 50
Total 100 200
CHSL Tier-II Exam Pattern

Tier-2 will consist of Objective Type, Multiple choice questions, except for Module-2 of Section 3. The questions will be set in English and Hindi except for Module-2 (i.e. English Language and Comprehension module) in Section 2.

There will be negative marking of 1 mark for each wrong answer in Section-1, Section-2 and Module-I of Section-3.

Tier Session Subject Number of questions Maximum marks Time allowed
Section-1: Module-1:Mathematical abilities Module-II: Reasoning and general intelligence 30
60*3=180 1 Hour (for each section)
1 Hours and 20 minutes for the candidates eligible for the scribe
Section-II: Module-1: English language and comprehension
Module-II: General awareness
Section-III Module-I:Computer knowledge module 15 15*3=45 15 Minutes
Section-III: Module-II:Skill test for DEO’S PART-A:Skill test for DEO’S 20 Minutes
PART-B: Typing test for LDC/JSA 10 Minutes
SSC CHSL Syllabus
General Intelligence and Reasoning Quantitative Ability English Language General Awareness
Logical Reasoning Simplification Reading Comprehension History
Alphanumeric Series Profit & Loss Cloze Test Culture
Ranking/Direction/Alphabet Test Mixtures & Allegations Para jumbles Geography
Data Sufficiency Simple Interest & Compound Interest & Surds & Indices Miscellaneous Economic Scene
Coded Inequalities Work & Time Fill in the blanks General Policy
Seating Arrangement Time & Distance Multiple Meaning/Error Spotting Scientific Research
Puzzle Mensuration – Cylinder, Cone, Sphere Paragraph Completion Awards and Honors
Tabulation Data Interpretation One Word Substitution Books and Authors
Syllogism Ratio & Proportion, Percentage Active/Passive Voice
Blood Relations Number Systems
Input Output Sequence & Series
Coding Decoding Permutation, Combination &Probability
Chapter Topics
Number Systems
  • 1. Computation of Whole Number
  • 2. Decimal and Fractions
  • 3. Relationship between numbers
Fundamental arithmetical operations
  • 1. Percentages
  • 2. Ratio and Proportion
  • 3. Square roots
  • 4. Averages
  • 5. Interest (Simple and Compound)
  • 6. Profit and Loss
  • 7. Discount
  • 8. Partnership Business
  • 9. Mixture and Alligation
  • 10. Time and distance
  • 11. Time and work
Geometry Familiarity with elementary geometric figures and facts:
  • 1. Triangle and its various kinds of centres
  • 2. Congruence and similarity of triangles
  • 3. Circle and its chords
  • 4. Tangents
  • 5. Angles subtended by chords of a circle
  • 6. Common tangents to two or more circles.
  • 1. Triangle
  • 2. Quadrilaterals
  • 3. Regular Polygons
  • 4. Circle
  • 5. Right Prism
  • 6. Right Circular Cone
  • 7. Right Circular Cylinder
  • 8. Sphere
  • 9. Hemispheres
  • 10. Rectangular Parallelepiped
  • 11. Regular Right Pyramid with triangular or square Base
  • 1. Trigonometry
  • 2. Trigonometric ratios
  • 3. Complementary angles
  • 4. Height and distances (simple problems only) Standard Identities like sin2𝜃 + Cos2𝜃=1 etc.
Statistics and probability Use of Tables and Graphs
  • 1. Histogram
  • 2. Frequency polygon
  • 3. Bar-diagram
  • 4. Pie-chart
  • 5. Measures of central tendency: mean, median, mode, standard deviation
  • 6. calculation of simple probabilities
Verbal and non-verbal type

1. Semantic Analogy

2. Symbolic operations

3. Symbolic/ Number Analogy

4. Trends, Figural Analogy

5. Space Orientation

6. Semantic Classification

7. Venn Diagrams

8. Symbolic/ Number Classification

9. Drawing inferences

10. Figural Classification

11. Punched hole/ pattern-folding & unfolding

12. Semantic Series

13. Figural Pattern-folding and completion

14. Number Series

15. Embedded figures

16. Figural Series

17. Critical Thinking

18. Problem Solving

19. Emotional Intelligence

20. Word Building

21. Social Intelligence

22. Coding and de-coding

23. Numerical operations

1. Vocabulary

2. Grammar

3. Sentence structure

4. Synonyms/Homonyms

5. Antonyms

6. Spot the Error

7. Fill in the Blanks

8. Spellings/ Detecting mis-spelt words

9. Idioms and phrases

10. One word substitution

11. Improvement of Sentences

12. Active/ Passive Voice of Verbs

13. Conversion into Direct/ Indirect narration

14. Shuffling of Sentence parts

15. Shuffling of Sentences in a passage

16. Cloze Passage

17. Comprehension Passage

1. History

2. Culture

3. Geography

4. Economic Scene

5. General policy

6. Scientific research

Chapters Topics
Computer Basics
  • 1. Organization of a computer
  • 2. Central Processing Unit (CPU)
  • 3. Input/ output devices
  • 4. Computer memory
  • 5. Memory organization
  • 6. Back- up devices
  • 7. PORTs
  • 8. Windows Explorer
  • 9. Keyboard shortcuts
  • Software Windows Operating system including basics of Microsoft Office like MS word, MS Excel and Power Point etc
    Working with Internet and e-mails
    • 1. Web Browsing & Searching
    • 2. Downloading & Uploading
    • 3. Managing an E-mail Account
    • 4. e-Banking
    Basics of networking and cyber security
    • 1.Networking devices and protocols
    • 2.Network and information security threats (like hacking, virus, worms, Trojan etc.) and preventive measures.
    Skill test for the post of Data Entry Operator:

    In this test, a candidate should have a data entry speed of 8,000 (eight thousand) Key Depressions per hour.

    Skill test for the post of DEO in the Office of the Comptroller and Auditor General of India (C&AG):

    The speed of 15000 key depressions per hour will be adjudged on the basis of the correct entry of words/key depressions as per the given passage. Skill test for the post of Lower Division Clerk/ Junior Secretariat Assistant (LDS/JSA) and Postal Assistants/ Sorting Assistants (PA/SA): The speed of 10500 key depressions per hour will be adjudged on the basis of the correct entry of words/key depressions as per the given passage.

    KARMA ACADEMY has expert SSC faculty providing expert notch mentorship along with training students thoroughly for every stage of the SSC CHSL Exam with interactive daily live sessions, mentoring sessions, challenging daily assessments and quizzes, unlimited mock tests etc. to ensure your ticket to your dream Central government jobs.