Combined Defence Services (CDs) will be conducted by UPSC on 13th Feb, 2011 for admission

Pattern:

The pattern of exam is:

 

Stages	Question Paper Pattern	Language of Question Paper	Duration	Marks
Stage I : Written Examination	Objective Type Only	English / Hindi	2 hours each paper	100
Stage II: Interview

 

Note:-

There will be negative marking for incorrect answers.

Syllabus:

 

Standard:

The standard of the papers in Elementary Mathematics will be of Matriculation level.

The standard of papers in other subjects will approximately be such as may be expected of a graduate of an Indian University.

CDS Syllabus 2011:

English (Code No. 01)

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

General Knowledge (Code No. 02)

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.

Elementary Mathematics (Code No. 03)

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.

Factorization 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 00 ≤

x ≤ 900 Values of sin x, cos x and tan x, for x = 00, 300, 450, 600 and 900

Simple trigonometric identities.

Use of trigonometric tables.

Simple cases of heights and distances.

Geometry :

Lines and angles, Plane and plane figures, Theorems on

1. Properties of angles at a point

2. Parallel lines,

3. Sides and angles of a triangle,

4. Congruency of triangles,

5. Similar triangles,

6. Concurrence of medians and altitudes,

7. Properties of angles, sides and diagonals of a parallelogram, rectangle and square

8. Circles and its properties including tangents and normals,

9. 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.

Intelligence and personality test :

In addition to the interview the candidates will be put to Intelligence Tests both verbal and non-verbal, designed to assess their basic intelligence.

They will also be put to Group Tests such as group discussions, group planning, outdoor group tasks, and asked to give brief lectures on specified subjects.

All these tests are intended to judge the mental calibre of a candidate. In broad terms, this is really an assessment of not only his intellectual qualities but also his social traits and interests in current affairs.

 

Centers:

The examination will be held at the following centres :

Agartala	45	Gangtok	42	Panaji (Goa)	36
Ahmedabad	01	Hyderabad	10	Patna	15
Aizawl	47	Imphal	44	Port Blair	37
Allahabad	02	Itanagar	48	Raipur	49
Bangalore	03	Jaipur	11	Ranchi	41
Bareilly	54	Jammu	34	Sambalpur	53
Bhopal	04	Jorhat	46	Shillong	16
Chandigarh	35	Kochi	24	Shimla	17
Chennai	12	Kohima	43	Srinagar	18
Cuttack	07	Kolkata	06	Thiruvanathapuram	19
Dehradun	14	Lucknow	26	Tirupati	50
Delhi	08	Madurai	40	Udaipur	52
Dharwad	39	Mumbai	05	Vishakhapatnam	51
Dispur	09	Nagpur	13

Area Code for Remote Areas and Abroad :

 

Area	Code	Area	Code
Assam	01	Sikkim	08
Meghalaya	02	Jammu & Kashmir	09
Arunachal Pradesh	03	Lahaul and Spiti District and Pangi Sub Division of Chamba District of Himachal Pradesh	10
Mizoram	04	Andaman & Nicobar Island	11
Manipur	05	Lakshadweep	12
Nagaland	06	Abroad	13
Tripura	07

The centers and the date of holding the examination as mentioned above are liable to be changed at the discretion of the commission