NDA 2020 Preparation Tips, New Pattern, Syllabus & Books

NDA or National Defence Academy Exam 2020 is a national level exam organized by UPSC (Union Public Service Commission) to recruit candidates in Army, Navy and Air Force. As we are also providing the Details of the NDA Preparatiom Tips, New Exam Pattern and Syllabus that helps the aspirants to get better score in the Exam and can achieve thier Goals.

NDA 2020 Preparation Tips

1.Practice sample papers

Solving sample paper is the backbone of any NDA preparation strategy. You have to solve sample papers if you really want to get an idea of what kind of questions you have to face on the doom day. And if you are lucky enough, you might get some repeated questions as well. All in all, by solving last year's papers or sample papers, you can get a clear picture of what you are dealing with and by that, you can plan your line of study accordingly.

GAT- General Ability Test

While preparing for NDA, get your basic concepts cleared of Physics, chemistry, and biology. For History, Civics, and Economics, all you need is to memorize a few major concepts, but nothing tricky. GAT covers the major portion of the NDA test and so, you just can’t ignore any aspect of this section. Go through the syllabus for the GAT section very carefully and prepare for each and every topic mentioned under the heading. For English in this section, brush up the grammar rules.

3.Get your Mathematics and English brushed up

Mathematics and English are very important for you if you are planning to face the NDA Exam. You must be very fast in making calculations as you can’t afford to waste time in calculations while solving the mathematics section and for this, you have to practice very hard. Only practice can give you this ability to be swift while making calculations in the exam. While for English, you have to read as much as you can.

4.Keep track of time

Remember that time is not your ally in NDA Exam so, you just need not waste any of it over the questions you have no idea about. First of all, solve the questions you have prepared for or the one you know something about. After that, if there is still any time left in your hands then you can go for the ones you are not sure about and which are time-consuming

Stay fit and maintain your health

Remember that we are talking about National Defence Academy here, you have to treat your health as a priority. Consider this as the very first NDA preparation tip. You can’t afford to play with your health and hope that the selectors will select you even with a weak personality

NDA 2020 Books

In NDA 2020, questions are asked from class 12 Mathematics. Also, candidates are required to be aware of the current happenings around the world to attempt a General Ability Test.

It covers every minor topic mentioned in the syllabus like Sets and relations along with functions, quadratic equations, logarithms, trigonometry and geometry topics like circles, triangles, coordinates, etc.

These books also include the tricks and shortcut methods for solving the questions

These books contain a vast explanation of mathematical concepts.

NDA 2020 Books : Available Now

NDA Exam Pattern

Negative Marking :

Mathematics : 0.83

General Abilities : 1.33

Paper

Subject

No. of Question

Marks

Duration

Paper -1

Mathematics

120

300

150 Minutes

Paper - II

General Ability Test (English & General Knowledge)

150

600

150 Minutes

Total

270

900

NDA Syllabus

Paper-1 : Mathematics

Algebra

1. relation, Logarithms and their applications.
2. equivalence relation.
3. Representation of real numbers on a line.
4. Complex numbers—basic properties,
5. modulus, argument, Binomial theorem and its applications
6. cube roots of unity.
7. Solution of linear inequations of two variables by graphs.
8. Binary system of numbers.
9. Conversion of a number in decimal system to binary system and

vice-versa.

1. Arithmetic, Permutation and Combination.
2. Geometric and Harmonic progressions.
3. Quadratic equations with real coefficients.
4. Solution of linear inequations of two variables by graphs.

Matrices and Determinants

1. Types of matrices, Adjoint and inverse of a square matrix,
2. operations on matrices.basic properties of determinants.
3. Determinant of a matrix,
4. Applications-Solution of a system of linear equations in two or three

unknowns by Cramer’s rule and by Matrix Method.

Trigonometry

1. Angles and their measures in degrees and in radians.
2. Trigonometrical ratios.
3. Trigonometric identities Sum and difference formulae.
4. Multiple and Sub-multiple angles.
5. Inverse trigonometric functions.
6. Applications-Height and distance,
7. properties of triangles.

Analytical Geometry of Two and Three Dimensions

1. Rectangular Cartesian Coordinate system.
2. Distance formula.Direction Cosines and direction ratios.
3. Equation of a line in various forms.
4. Angle between two lines.
5. Distance of a point from a line.
6. Equation of a circle in standard and in general form.
7. Standard forms of parabola,Equation of a sphere.
8. ellipse and hyperbola.Equation two points.
9. Eccentricity and axis of a conic.
10. Point in a three dimensional space,
11. distance between two points.
12. Direction Cosines and direction ratios.
13. Equation of a plane and a line in various forms.
14. Angle between two lines and angle between two planes.

Differential Calculus

1. Concept of a real valued function–domain,
2. range and graph of a function.
3. Composite functions, Derivatives of sum,
4. one to one, Increasing and decreasing functions.
5. onto and inverse functions.
6. Notion of limit, Second order derivatives.
7. Standard limits—examples.
8. Continuity of functions - examples,
9. algebraic operations on continuous functions.
10. Derivative of function at a point,
11. geometrical and physical interpretation of a derivative-application.
12. derivative of a function with respect to another function,
13. product and quotient of functions,
14. derivative of a composite function.
15. Application of derivatives in problems of maxima and minima

Integral Calculus and Differential Equations

1. Integration as inverse of differentiation,
2. integration by substitution and by parts,
3. standard integrals involving algebraic expressions,
4. trigonometric, Application in problems of growth and decay.
5. exponential and hyperbolic functions.
6. Evaluation of definite integrals—determination of areas of plane regions

bounded by curves—applications.

1. Definition of order and degree of a differential equation,
2. formation of a differential equation by examples.
3. General and particular solution of a differential equations,
4. solution of first order and first degree differential equations

of various types—examples.

Victor Algebra

1. Vectors in two and three dimensions,
2. magnitude and direction of a vector.
3. Unit and null vectors, addition of vectors,
4. Applications—work done by a force and moment of a force and in

geometrical problems.

1. scalar multiplication of a vector,
2. scalar product or dot product of two vectors.
3. Vector product or cross product of two vectors.

Statistics and Probability

1. Statistics: Classification of data,
2. Frequency distribution, Conditional probability,
3. cumulative frequency distribution - examples.
4. Graphical representation - Histogram,
5. Pie Chart, frequency polygon—examples. Measures of Central tendency—

Mean, median and mode.

1. Variance and standard deviation determination and comparison.
2. Correlation and regression.Probability: Random experiment,
3. outcomes and associated sample space, events,
4. mutually exclusive and exhaustive events, impossible and certain events.
5. Union and Intersection of events. Complementary,
6. elementary and composite events. Definition of probability—classical

and statistical—examples.

12 .Elementary theorems on probability—simple problems.

13 .Bayes’ theorem—simple problems. Random variable as

function on a sample space.

14 .Binomial distribution,

1. examples of random experiments giving rise to Binominal distribution.

Paper-2 : General Ability Test

English

Grammar and usage, vocabulary, comprehension

General Knowledge

Physics

1. Physical Properties and States of Matter,
2. Mass, Weight, Volume,
3. Density and Specific Gravity, Principle of Archimedes,
4. Pressure Barometer. Motion of objects,
5. Velocity and Acceleration, Newton’s Laws of Motion,
6. Force and Momentum, Parallelogram of Forces,
7. Stability and Equilibrium of bodies, Gravitation,
8. elementary ideas of work, Power and Energy.
9. Effects of Heat, Measurement of Temperature and Heat,
10. change of State and Latent Heat, Modes of transference of Heat.
11. Sound waves and their properties, Simple musical instruments.
12. Rectilinear propagation of Light, Reflection and refraction.
13. Spherical mirrors and Lenses, Human Eye.
14. Natural and Artificial Magnets, Properties of a Magnet,
15. Earth as a Magnet.Static and Current Electricity,
16. conductors and Non-conductors,Ohm’s Law,
17. Simple Electrical Circuits, Heating,
18. Lighting and Magnetic effects of Current,
19. Measurement of Electrical Power,
20. Primary and Secondary Cells, Use of X-Rays.
21. General Principles in the working of the following:
22. Simple Pendulum, Simple Pulleys, Siphon,
23. Levers, Balloon,Pumps, Hydrometer,
24. Pressure Cooker, Thermos Flask, Gramophone,
25. Telegraphs, Telephone, Periscope, Telescope,
26. Microscope, Mariner’s Compass;
27. Lightening Conductors, Safety Fuses

Chemistry

1. Physical and Chemical changes.
2. Elements, Carbon - different forms.
3. Mixtures and Compounds,
4. Symbols, Fertilizers—Natural and Artificial.
5. Formulae and simple Chemical Equations,
6. Law of Chemical Combination (excluding problems).
7. Properties of Air and Water.
8. Preparation and Properties of Hydrogen,
9. Oxygen,Glass, Ink, Paper, Cement,
10. Nitrogen and Carbondioxide,
11. Oxidation and Reduction.
12. Acids, bases and salts.
13. Material used in the preparation of substances like Soap,
14. Paints, Safety Matches and Gun-Powder.
15. Elementary ideas about the structure of Atom,

Atomic Equivalent and Molecular Weights, Valency.

General Science

1. Difference between the living and non-living. Basis of Life—Cells,
2. Protoplasms and Tissues. Growth and Reproduction in

Plants and Animals.

1. Elementary knowledge of Human Body and its important organs.
2. Common Epidemics, their causes and prevention.
3. Food—Source of Energy for man. Constituents of food,
4. Balanced Diet. The Solar System—Meteors and Comets,
5. Eclipses. Achievements of Eminent Scientists.

History Freedom Movement

A broad survey of Indian History, with emphasis on

Culture and Civilisation.

Freedom Movement in India. Elementary study of Indian

Constitution and Administration.

1. Elementary knowledge of Five Year Plans of India.
2. Panchayati Raj, Co-operatives and Community Development.
3. Bhoodan, Sarvodaya, National Integration and Welfare State,
4. Basic Teachings of Mahatma Gandhi.Exploration and Discovery;
5. Forces shaping the modern world; Renaissance,
6. War of American Independence. French Revolution,
7. Industrial Revolution and Russian Revolution.
8. Impact of Science and Technology on Society.
9. Concept of one World, United Nations, Panchsheel,
10. Democracy, Socialism and Communism. Role of

India in the present world.

Geography

1. The Earth, its shape and size. Lattitudes and Longitudes,
2. Concept of time. International Date Line. .
3. Origin of Earth. Rocks and their classification;
4. Weathering-Mechanical and Chemical,
5. Earthquakes and Volcanoes.Movements of Earth and their effects.
6. Ocean Currents and Tides Atmosphere and its composition;
7. Temperature and Atmospheric Pressure,
8. Planetary Winds, Cyclones and Anti-cyclones;
9. Humidity; Condensation and Precipitation;
10. Types of Climate, Major Natural regions of the World.
11. Regional Geography of India—Climate, Natural vegetation.
12. Mineral and Power resources;
13. location and distribution of agricultural and Industrial activities.
14. Important Sea ports and main sea,
15. land and air routes of India. Main items of Imports and Exports of India.

Current Events

Knowledge of Important events that have happened in

India in the recent years.

1. Current important world events.
2. Prominent personalities—both Indian and International including

those connected with cultural activities and sports

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