NDA Exam

National Defence Academy (NDA)

National Defence Academy is a premier joint training institution and center of excellence for grooming junior leaders for the Indian armed forces. Agni Defence Academy offers NDA Coaching for 6 months & Physical Training Program.

1. Selection Process for NDA

The Selection Process for NDA are :-

  • Written Examination
  • SSB Interview

2. Educational Qualification for NDA

  • Passed or appearing in Class 12.
  • For Air Force and Naval Wings: Passed or appearing in Class 12.
  • Candidates must have studied Physics, Chemistry and Mathematics in Class 12

3. Age Limit for NDA

The Age limit for NDA are

  • Minimum – 16.5
  • Maximum – 19

4. Physical Efficiency Test for NDA In NDA physical test, the eligibility of candidates is measured as per height, weight and medical standards.

Courses Heights ( in cm)
Male Female
NDA 157 cm 152 cm
INA 157 cm 152 cm
IAFA 162.5 cm 152 cm
Subject Questions Mark -ve Marks
Mathematics 120 300 1/3rd
General Ability Test 150 600 1/3rd
Total 270 900
Duration 150 Mins

MATHS

  • Concept of set, operations on sets, Venn diagrams.
  • De Morgan laws, Cartesian product, relation, equivalence relation.
  • Representation of real numbers on a line.
  • Complex numbers—basic properties, modulus, argument, cube roots of unity.
  • Binary system of numbers.
  • Conversion of a number in a decimal system to a binary system and vice-versa.
  • Arithmetic, geometric and harmonic progressions.
  • Quadratic equations with real coefficients.
  • The solution of linear inequations of two variables by graphs.
  • Permutation and combination.
  • Binomial theorem and its applications.
  • Logarithms and their applications.

MATRICES & DETERMINANTS

  • Types of matrices
  • Operations on matrices
  • Determinant of a matrix
  • Basic properties of determinants
  • Adjoint and inverse of a square matrix
  • Applications of matrices
  1. Solution of a system of linear equations in two or three unknowns using Cramer’s rule
  2. Solution of a system of linear equations in two or three unknowns using Matrix Method

TRIGONOMETRY

  • Angles and their measures in degrees and radians
  • Trigonometric ratios
  • Trigonometric identities including sum and difference formulae
  • Multiple and sub-multiple angles
  • Inverse trigonometric functions
  • Applications such as height and distance and properties of triangles.

ANALYTICAL GEOMETRY OF 2 & 3 DIMENSIONS

  • Rectangular Cartesian Coordinate system
  • Distance formula
  • Equation of a line in various forms
  • The angle between two lines
  • The distance of a point from a line
  • Equation of a circle in standard and general form
  • Standard forms of parabola, ellipse, and hyperbola
  • Eccentricity and axis of a conic
  • A point in three-dimensional space and the distance between two points
  • Direction cosines and direction ratios
  • Equation of a plane and a line in various forms
  • The angle between two lines and the angle between two planes
  • Equation of a sphere

DIFFERENTIAL CALCULUS

  • Concept of a real-valued function including domain, range, and graph of a function.
  • Composite functions and their properties including one-to-one, onto, and inverse functions.
  • Understanding of the notion of limit and examples of standard limits.
  • Continuity of functions and examples, including algebraic operations on continuous functions.
  • Derivative of a function at a point, with geometrical and physical interpretation, and applications.
  • Derivatives of sum, product, and quotient of functions, a derivative of a function with respect to another function, a derivative of a composite function, and second-order derivatives.
  • Understanding increasing and decreasing functions.
  • Application of derivatives in problems of maxima and minima.

INTEGRAL CALCULUS & DIFFERENTIAL EQUATIONS

  • Integration as the inverse of differentiation.
  • Methods of integration: substitution and by parts.
  • Standard integrals involving algebraic expressions, trigonometric, exponential, and hyperbolic functions.
  • Evaluation of definite integrals.
  • Determination of areas of plane regions bounded by curves.
  • Applications of integrals.
  • Definition of order and degree of a differential equation.
  • Formation of a differential equation by examples.
  • General and particular solutions of differential equations.
  • Solutions of the first-order and first-degree differential equations of various types.
  • Applications in problems of growth and decay.

VECTOR ALGEBRA

  • Vectors in two and three dimensions
  • Magnitude and direction of a vector
  • Unit and null vectors
  • Addition of vectors
  • Scalar multiplication of a vector
  • Scalar product or dot product of two vectors
  • Vector product or cross product of two vectors
  • Applications in work done by a force and moment of a force and in geometrical problems

STATISTICS & PROBABILITY

  • Statistics
  • Classification of data
  • Frequency distribution
  • Cumulative frequency distribution—examples
  • Graphical representation—Histogram, Pie Chart, frequency polygon— examples
  • Measures of Central tendency—Mean, median and mode
  • Variance and standard deviation—determination and comparison
  • Correlation and regression
  • Probability
  • Random experiment, outcomes and associated sample space, events
  • Mutually exclusive and exhaustive events, impossible and certain events
  • Union and Intersection of events
  • Complementary, elementary and composite events
  • Definition of probability—classical and statistical—examples
  • Elementary theorems on probability—simple problems
  • Conditional probability, Bayes’ theorem—simple problems
  • Random variable as function on a sample space
  • Binomial distribution, examples of random experiments giving rise to Binomial distribution.

ENGLISH

  • Grammar & usage
  • Comprehension & cohesion
  • Spotting errors
  • Para Jumbling
  • Fill in the blanks
  • Synonyms & Antonyms
  • Vocabulary
  • Cloze Test
  • Idioms & Proverbs
  • Completion of Sentence & Para
  • Sentence Correction & Improvement

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