How much percentage is required for CDS exam

I want to apply for the CDS exam so please tell me how much percentage is required to apply for CDS exam?

[Kiran Chandar]

Combined Defence Services Exam is conducted by the UPSC two times in a year for admissions to
Indian Military Academy (IMA),
Indian Naval Academy (INA),
Air Force Academy (AFA) and
Officers Training Academy (OTA).

Eligibility:
For IMA and OTA,
Must have graduation degree from recognized university

For INA,
Degree in engineering

For AFA,
Candidate should have a graduation degree and Physics & Mathematics at 10+2 level.

There are no any percentage criteria to apply for the CDS exam

Important Dates
Notification Date: 7 November, 2015
Last Date to Apply: 4 December, 2015
CDS Exam Date: 14 February, 2016

UPSC CDS Syllabus
English Syllabus
The question paper is designed to test your understanding of English and workmanlike use of words.
Questions in English are from Synonyms, Antonyms, Reading Comprehension, Para Jumbles, Error Spotting, Jumbled Sentences, Sentence Correction and 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.