# [PDF] CDS (I) 2021 Syllabus

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## Paper Pattern, Syllabus & Books CDS (I)

### Syllabus

CDS (I) Syllabus 2020– Here in below table we are listing few topics for each section which were asked in previous examination of CDS :

Mathematics

 (1) Arithmetic (2) Algebra (3) Trigonometry (4) Geometry (5) Mensuration (6) Statistics

General Ability Test

 (1) ENGLISH (2) GENERAL KNOWLEDGE

### Paper – I – MATHEMATICS

1. 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.

2. 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.

3. 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.

4. 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.

5. 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.

6. Statistics

Collection and tabulation of statistical data, Graphical representation frequency polygons, histograms, bar charts, pie charts etc. Measures of central tendency.

### Paper – II – GENERAL ABILITY TEST

Part A – ENGLISH

The question paper will be designed to test the candidates’ understanding of English and workmanlike use of words.

Part B – GENERAL KNOWLEDGE

General Knowledge including knowledge of current events and of such matters of everyday observation and experience in their scientific aspects as may be expected of an educated person who has not made a special study of any scientific subject. The paper will also include questions on History of India and Geography of a nature which candidate should be able to answer without special study.

Intelligence and Personality Test

The SSB procedure consists of two stage Selection process – stage I and stage II. Only those candidates who clear the stage I are permitted to appear for stage II. The details are :-
(a) Stage I comprises of Officer Intelligence Rating (OIR) tests are Picture Perception* Description Test (PP&DT). The candidates will be shortlisted based on combination of performance in OIR Test and PP&DT.

(b) Stage II Comprises of Interview, Group Testing Officer Tasks, Psychology Tests and the Conference. These tests are conducted over 4 days. The details of these tests are given on the website www.joinindianarmy.nic.in.

The personality of a candidate is assessed by three different assessors viz. The Interviewing Officer (IO), Group Testing Officer (GTO) and the Psychologist. There are no separate weightage for each test. The mks are allotted by assessors only after taking into consideration the performance of the candidate holistically in all the test. In addition, marks for Conference are also allotted based on the initial performance of the Candidate in the three techniques and decision of the Board. All these have equal weightage.

The various tests of IO, GTO and Psych are designed to bring out the presence/absence of Officer Like Qualities and their trainability in a candidate. Accordingly candidates are Recommended or Not Recommended at the SSB.

 CDS (I) Written Test Syllabus (PDF) Click Here

 CDS Guide Books Pathfinder CDS Combined Defence Services Entrance... Pathfinder CDS Combined Defence Services Entrance Examination ₹ 750 Let's Crack Cds Exam - Combined Defence Services Examination More than 2500 solved Previous Year MCQ, 2000 solved Practice MCQ and 1000 Exercise MCQ.; Consists of fully solved recent CDS question papers Sale Mathematics For Cds Entrance Examination (revised Edition) Language Published: English; Binding: Paper Back ₹ 372 Sale SSB Interview: The Complete Guide, Second Edition Language Published:English ₹ 235

### Related Links

Click below given links to get further information.

 IB ACIO Total Info IBPS Clerk Total Info BSNL JAO Total Info OICL AO Total Info UIIC Assistant Total Info JAM Total Info UGC NET Total Info KVS Total Info JAM 2023 Books NIACL Assistant Total Info CDS Total Info NDA Total Info

### [PDF] CDS (I) 2021 Syllabus FAQs

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Kuldeep Singh, a B.Tech. graduate, brings an impressive 15-year tenure in education and blogging. With a passion for enriching minds and sharing knowledge, I has dedicated my career to teaching and informing others, establishing myself as a respected voice in academic circles and the expansive world of online content creation.