Combined Defense Services Exam is the Combination of three subjects:-
1> English
2> general knowledge
3>mathematics
1> English
2> general knowledge
3>mathematics
English
Syllabus
The question paper is designed
to test your understanding of English and work man like use of words.
Questions in English are
from
- Synonyms
- Antonyms
- Reading Comprehension
- Para Jumbles
- Error Spotting
- Jumbled Sentences
- Sentence Correction
- Fill in the Blanks
General
Knowledge Syllabus
General Knowledge
including knowledge of current events and of such matters of everyday
observation and experience in scientific aspects as may be expected of an
educated person who has not made a special study of any scientific subject. The
paper also includes questions on History of India and Geography of a nature.
Elementary
Mathematics Syllabus
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 equations 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 x, cosine x, Tangent
x when 0 < x < 90
degrees, Values of sin x, cos x and tan x, for x = 0, 30, 45, 60 and
90 degrees, 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.Hope these tips will we helpful to you for your CDS Exam preparation.or to qualify the CDS Exam.all subjests that are given in the sullabus are very important to qualify the CDS Exam 2018
All the Best.....
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