Table of Contents

Introduction

SSC CHSL Syllabus 2025 Overview

SSC CHSL Tier 1 Syllabus 2025 (Detailed Topics)

• English Language

• General Intelligence

• Quantitative Aptitude

• General Awareness

H2: SSC CHSL Tier 2 Syllabus 2025 (Detailed Topics)

• Mathematical Abilities

• Reasoning & General Intelligence

• English Language & Comprehension

• General Awareness

• Computer Knowledge Module

• Skill Test / Typing Test

SSC CHSL Exam Pattern 2025

PDF Download Section

Section-wise Weightage Analysis

Preparation Tips Based on Syllabus

Summary Notes

FAQs

Introduction

The SSC CHSL Syllabus 2025 is essential for aspirants preparing for LDC, DEO, JSA, and Postal Assistant posts under the Staff Selection Commission. A clear understanding of the latest Tier 1 and Tier 2 topic list helps candidates plan smartly, improve accuracy, and score higher in the exam.

This guide provides a complete, subject-wise SSC CHSL 2025 syllabus, including exam pattern, topic distribution, weightage, and a downloadable PDF.

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SSC CHSL Syllabus 2025 Overview

The CHSL exam consists of:

• Tier 1 (CBT): Objective, qualifying in nature

• Tier 2 (CBT): Objective + Skill Test (merit deciding)

Subjects included:

• English

• Reasoning

• Quantitative Aptitude

• General Awareness

• Computer Knowledge

• Skill/Typing Test

H2: SSC CHSL Tier 1 Syllabus 2025 (Detailed)

Tier 1 contains 100 questions (25 per subject).

H3: English Language

Topics Covered

• Spotting Errors

• Fill in the Blanks

• Synonyms & Antonyms

• Idioms & Phrases

• One-word Substitution

• Cloze Test

• Reading Comprehension

• Para Jumbles

• Sentence Improvement

• Active & Passive Voice

• Direct & Indirect Speech

Exam Tip: Vocabulary + grammar = 80% of English section.

General Intelligence (Reasoning)

Topics Covered

• Analogy

• Classification

• Series (Alphabet, Number, Mixed)

• Coding–Decoding

• Blood Relations

• Directions

• Non-verbal reasoning

• Venn Diagrams

• Syllogism

• Logical Order

• Embedded Figures

• Mirror & Water Images

• Data Sufficiency

Quantitative Aptitude

Topics Covered

• Number System

• HCF & LCM

• Percentage

• Ratio & Proportion

• Profit & Loss

• Discount

• Simple & Compound Interest

• Time & Work

• Time & Distance

• Algebra (Basics)

• Mensuration (2D & 3D)

• Geometry (Basics)

• Trigonometry (Basics)

• Data Interpretation

General Awareness

Topics Covered

• History

• Geography

• Polity

• Economy

• Science (Physics, Chemistry, Biology)

• Computer Awareness

• Current Affairs (Last 12 months)

• Books & Authors

• Awards

• Important Days

• Sports

SSC CHSL Tier 2 Syllabus 2025 (Detailed)

Tier 2 includes higher-level topics from English, Quant, Reasoning, and GA along with mandatory Computer Module & Typing Test.

Mathematical Abilities

• Number System

• Simplification

• Profit–Loss

• SI–CI

• Time–Work

• Time–Distance

• Algebra

• Geometry

• Mensuration

• Trigonometry

• Basic Statistics

Reasoning & General Intelligence

• Logical reasoning

• Puzzles (Basic to Moderate)

• Data Sufficiency

• Verbal reasoning

• Matrix

• Non-verbal reasoning

English Language & Comprehension

• Advanced grammar

• Comprehension passages

• Error correction

• Vocabulary enhancement

• Synonyms–Antonyms

• Cloze test

General Awareness

• Budget & Economy

• National & International news

• Scientific developments

• Government schemes

• Polity developments

• Awards, sports, conferences

Computer Knowledge Module

• Basics of Computers

• Input–Output devices

• Operating Systems

• Internet & Email

• MS Office

• Cyber Security

• Networking Basics

Skill Test / Typing Test

Required for LDC/JSA/PA/SA:

• English Typing: 35 wpm

• Hindi Typing: 30 wpm

DEO:

• 8000 key depressions per hour

SSC CHSL Exam Pattern 2025

Tier 1

Negative marking: 0.50 per wrong answer

Tier 2

• Multiple modules

• Includes Computer Module + Typing Test

• Merit deciding stage

Section-wise Weightage Analysis

Tier 1 Weightage

• English: Easy–Moderate

• Reasoning: Easy

• Quant: Moderate

• GA: Moderate–Difficult

Tier 2 Weightage

• Maths + Reasoning play a major role

• Skill test is qualifying but compulsory

Preparation Tips Based on Syllabus

• Focus on basics first (Quant & English)

• Practice puzzles & series daily

• Maintain a GK notebook

• Give mock tests weekly

• Solve previous patterns (don’t copy text)

• Learn fast typing for skill test

Summary Notes

• SSC CHSL Syllabus 2025 includes English, Reasoning, Quant, GA, and Computer.

• Tier 1 is qualifying, Tier 2 is merit deciding.

• Skill Test is mandatory.

• Focus on high-weightage topics for faster score improvement.

FAQs

Q1: What is the SSC CHSL Syllabus 2025?

It includes English, Quant, Reasoning, GA in Tier 1 and additional modules like Computer & Typing in Tier 2.

Q2: Is Tier 1 qualifying?

Yes, Tier 1 is qualifying only.

Q3: What is the typing speed required?

35 wpm (English) or 30 wpm (Hindi).

Q4: Is Computer knowledge compulsory?

Yes, it is a mandatory module in Tier 2.

Q5: Is there negative marking in SSC CHSL?

Yes, 0.50 marks per wrong answer.