UPSC CDS 1 Syllabus and Exam Pattern (PDF) Download

UPSC CDS 1 Syllabus 2025 PDF Download: Candidates Are you preparing for UPSC CDS 1 Exam 2025 Then this article is for You……….! Here The UPSC CDS 1 Syllabus 2025 And Exam Pattern are available in detail. So the Candidates, who had applied for UPSC CDS 1 Job 2025 and Searching Online for UPSC CDS 1 OTA, IMA, INA & IAFA Syllabus 2025, will get complete information here. The Union Public Service Commission had recently announced the UPSC CDS 1 Exam 2025. So the Applicants who applied for UPSC CDS 1 OTA, IMA, INA & IAFA Exam must check this article. The UPSC CDS 1 Exam is quite tough to be Qualified and there will be a huge competition for the Examination. SO the Contenders should practice Hard. So, to help those candidates we are here with the Updated UPSC CDS 1 Syllabus and Exam Structure.

UPSC CDS 2 Syllabus 2025 PDF Download Latest Exam Pattern, Subject Wise Topics

UPSC CDS Syllabus 2025 PDF

Organization Name	Union Public Service Commission
Post Name	Combined Defence Services Exam I
Category	Syllabus
Job Location	Across India
Official Site	upsc.gov.in

UPSC CDS 1 Exam Pattern 2025

The UPSC Exam will be conducted to recruit the Gram CDS 1 Posts. To help the Aspirants we have uploaded the UPSC CDS 1 Syllabus on this page for Download. Here we have provided the Subject Wise UPSC CDS 1 Syllabus PDF.

Indian Military Academy, Indian Naval Academy, and Air Force Academy

Name of the Subject	Time Duration	Number of Marks
English	2 Hours	100
General Knowledge	2 Hours	100
Elementary Mathematics	2 Hours	100
Total		300 Marks
Type of Examination: Objective Type Questions

Officers Training Academy

Name of the Subject	Time Duration	Number of Marks
English	2 Hours	100
General Knowledge	2 Hours	100
Total		200 Marks
Type of Examination: Objective Type Questions

Download UPSC CDS 1 Exam Syllabus 2025 PDF

UPSC CDS 1 Syllabus 2025 PDF: UPSC CDS 1 Syllabus and Exam Pattern PDF is available on this page for Download. The Union Public Service Commission has released the Subject Wise UPSC CDS 1 Syllabus on its Official website @ upsc.gov.in. The UPSC CDS 1 Notification 2025 has been released by the Officials and the UPSC CDS 1 Exam 2025 will be held soon. So the Candidates who had applied for UPSC CDS 1 2025 and Stated Exam preparation for the UPSC CDS 1 Exam should check this Article now. Here we have provided the UPSC CDS 1 Syllabus.

Syllabus For Elementary Mathematics

Arithmetic

Number System—Natural numbers, Integers, Rational, and Real numbers. Fundamental operations, addition, subtraction, 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.

Algebra

Basic Operations, simple factors, Remainder Theorem, H.C.F., L.C.M., Theory of polynomials, solutions of quadratic equations, relation between its roots and coefficients (Only real roots to be considered). Simultaneous linear equations in two unknowns—analytical and graphical solutions. Simultaneous linear inequations in two variables and their solutions. Practical problems leading to two simultaneous linear equations or inequations in two variables or quadratic equations in one variable & their solutions. Set language and set notation, Rational expressions and conditional identities, Laws of indices.

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 (i) Properties of angles at a point, (ii) Parallel lines, (iii) Sides and angles of a triangle, (iv) Congruency of triangles, (v) Similar triangles, (vi) Concurrence of medians and altitudes, (vii) Properties of angles, sides and diagonals of a parallelogram, rectangle and square, (viii) Circles and its properties including tangents and normals, (ix) 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.