The Union Public Service Commission (UPSC) announced the syllabus and the exam pattern of the Combined Defence Service Examination (CDS). Aspirants preparing for this exam must go through the important topics covered under the CDS syllabus and start their preparation strategically. The CDS syllabus covers the topic and subtopic and is precisely based on the paper pattern.
As per the CDS syllabus, General Knowledge and English question papers have 120 questions each. The GK section is very vast in the CDS exam. Questions from Geography, History, Polity, Science, and Current affairs and Economics are asked in this section. There is also a negative mark for each wrong answer.
List of Important Topics for CDS Exam- Subject Wise
The subject wise important topics for the CDS exam have been mentioned below.
Important topics from General Knowledge under the CDS syllabus
Here are the important topics for CDS exam preparation from where the questions will be asked in the exam. You can also visit BYJU’S Exam Prep that provides a vast number of articles on static GK as well as current affairs.
- Geography
- History
- Sociology
- Economics
- Environment
- Politics
- Science (Physics, Chemistry, Biology)
- Books & Authors
- Awards
- Sports
- Culture and Traditions
- Current Affairs
Important topics from English for CDS syllabus
English questions are asked from the following topics:
- Sentence improvement
- Antonyms
- Synonyms
- Comprehension
- Ordering of sentences
- Para Jumbles
- One word substitution
- Ordering of words in a sentence
- Spotting Errors
Important topics from Mathematics for CDS syllabus
The following are the important topics for CDS exam preparation.
| HCF & LCM of numbers | Number System | Simple interest | HCF & LCM of polynomials |
| Compound interest | Decimal fraction | Linear Equations in one and two Variables | Quadratic Equations and Inequations |
| Surface area and volume of solids | Ratio and proportion | Lines and angles | Average |
| Square roots and cube roots | Measurement of angles and trigonometric measurement | Quadrilateral and polygon | Profit and loss |
| percentage | Logarithm | Height and distance
| Time and Work |
| Ratio Expressions | Statistical Data Analysis | Basic operations and factorization | – |
Important topics from Algebra under the CDS syllabus
| Basic Operations simple factors | H.C.F. & L.C.M. | Set language and set notation | Theory of polynomials |
| Remainder Theorem | Laws of indices | Solutions of quadratic equations | Simultaneous linear inequations in two variables and their solutions |
| Rational expressions and conditional identities | Relation between roots and coefficients (Only real roots to be considered) | Practical problems leading to two simultaneous linear equations/inequations in two variables/quadratic equations in one variable and their solutions | Simultaneous linear inequations in two variables and their solutions |
Important topics from Statistics under the CDS syllabus
| Graphical representation | Collection and tabulation of statistical data | Histograms | Pie charts |
| Frequency polygons, etc | Bar charts | Measures of central tendency | – |
Important topics from Mensuration under the CDS syllabus
| Surface area and volume of cuboids | Areas of squares, parallelograms, rectangles, triangle, and circle | Areas of figures which can be split up into these figures (Field Book) | Lateral surface and volume of right circular cones and cylinders |
Important topics from Geometry under the CDS syllabus
| Plane and plane figures | Lines and angles | Sides and angles of a triangle | The concurrence of medians and altitudes |
| Rectangle and square | Theorems on Properties of angles at a point Parallel line | Congruence of triangles | Properties of angles |
Aspirants must put extra effort into their preparation for this section. In BYJU’S Exam Prep online programs, aspirants will get all the important MCQs from the current affairs section. In this online program, aspirants will get regular updates of news from the past few months, and it will help the aspirants to score high marks in the CDS exam. Besides that, aspirants can also practice online mock tests in this comprehensive exam preparation platform.
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