The CDS (Combined Defence Services) exam is a highly competitive examination conducted by the Union Public Service Commission (UPSC) in India. It aims to recruit candidates for various prestigious posts in the Indian Armed Forces, including the Indian Army, Indian Navy, and Indian Air Force. The CDS exam consists of three papers, each assessing different aspects of a candidate’s knowledge and aptitude: English, General Knowledge, and Mathematics. Successful candidates go on to attend interviews conducted by the Services Selection Board (SSB) before final selection. CDS is a dream opportunity for those who aspire to serve their nation in a leadership role within the defense forces.
CDS Syllabus 2023- Subject-Wise Syllabus
What is the Syllabus of CDS Exam?
The Union Public Service Commission (UPSC) holds the Combined Defence Services (CDS) Examination to choose officers for the Indian Army, Indian Navy, and Indian Air Force, among other components of the country’s armed forces. The written test and the interview/personality test are the two components of the CDS exam.
- Written Examination
- Interview/Personality Test
The following is the CDS Exam Pattern:
| Subjects/ Sections | Total Duration | No. of Questions | Max. Marks |
| English | 2 hours | 120 | 100 |
| General Knowledge | 2 hours | 120 | 100 |
| Elementary Mathematics | 2 hours | 100 | 100 |
Here’s the syllabus for the written examination:
English
- Spotting Errors Questions
- Sentence Arrangement Questions
- Synonyms & Antonyms
- Selecting Words
- Ordering of Sentence
- Comprehension Questions
- Ordering of words in a sentence
- Fill in the blanks questions
- Idioms and Phrases
General Knowledge (GK)
- Economics
- Physics
- Current Affairs
- Politics
- Chemistry
- Sociology
- History4
- Defence related Award
- Geography
- Environment
- Sport
- Biology
- Cultural
- Book
- Statement
- true/false
Elementary Mathematics
The syllabus for the Elementary Mathematics paper (Paper-III) in the CDS (Combined Defence Services) Examination covers various topics in mathematics at the 10+2 level. Below is a detailed breakdown of the topics included in the Elementary Mathematics syllabus:
- Arithmetic
- Trigonometry
- Geometry
- Mensuration
- Statistics
Arithmetic
- Number System: Natural numbers, Integers, Rational and Real numbers.
- Fundamental operations: addition, substraction, multiplication, division, Square roots, Decimal fractions
- Unitary method
- time and distance
- time and work
- percentages
- applications to simple and compound interest
- profit and loss
- ratio and proportion
- variation
- Elementary Number Theory: Division algorithm
- Prime and composite numbers
- Tests of divisibility by 2, 3, 4, 5, 9 and 11
- Multiples and factors. Factorisation Theorem
- H.C.F. and L.C.M.
- Euclidean algorithm
- Logarithms to base 10
- laws of logarithms
- use of logarithmic tables
Trigonometry
- Sine ×, cosine ×, Tangent × when 0° < × < 90°
- Values of sin ×, cos × and tan ×, for ×= 0°, 30°, 45°, 60° and 90°
- Simple trigonometric identities
- Use of trigonometric tables
- Simple cases of heights and distances
Geometry
- Lines and angles
- Plane and plane figures
- Theorems on Properties of angles at a point
- Parallel lines
- Sides and angles of a triangle
- Congruency of triangles
- Similar triangles
- Concurrence of medians and altitudes
- Properties of angles
- sides and diagonals of a Parallelogram
- rectangle and square
- Circles and its properties including tangents and normals
- Loci
Mensuration
- Areas of squares
- rectangles
- parallelograms
- triangle and circle
- Areas of figures which can be split up into these figures (Field Book)
- Surface area and volume of cuboids
- lateral surface and volume of right circular cones and cylinders
- surface area and volume of spheres
Statistics
- Collection and tabulation of statistical data
- Graphical representation frequency polygons
- histograms
- bar charts
- Pie charts etc
- Measures of central tendency
Also Check:
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