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# CDS Syllabus

The CDS Selection Process is divided into two stages:

1. Written examination
2. SSB Interview

CDS Exam Pattern for IMA, INA, AFA

 Sections Duration Maximum marks English 2 Hr 100 General Knowledge Elementary Mathematics Total – 300 marks

### CDS Exam Pattern for IMA, INA, AFA

 Subject Times Marks English 2 hours 100 General Knowledge 2 hours 100 Elementary Mathematics 2 hours 100

### CDS Exam Pattern for OTA

 Subject Duration Maximum marks English 2 hours 100 General Knowledge 2 hours 100

CDS Details Syllabus

 Sections Topics 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 Awareness Economics  Physics  Current Affairs  Politics  Chemistry  Sociology  History  Defence related Award  Geography  Environment  Sport  Biology  Cultural  Book  Statement  true/false Elementary Mathematics 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 Arithematic 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