How to Prepare for NDA Exam 2020 – Preparation Strategies with NDA Mock Test

NDA Mock Test

NDA exam is a prominent examination in India for those students who want to serve the country by joining Indian Defense Forces. This exam is conducted by UPSC and it is a doorway for the students to join Indian Army, Air Force, and Navy. NDA is conducted two times in a year.

In this article we are going to discuss some important factors and tips about how to prepare for NDA 2020 Exam.

NDA 2020 Preparation Tips

NDA exam consists of a written test and (Interview)SSB. The written test is divided into three parts, which includes mathematics, English and General Ability Test. In the mathematics section mostly topics are covered which are commonly taught at high school and 10+2 level. English section is to test the candidate’s knowledge of English grammar, comprehensive skills, and vocabulary. At last, the General Ability Test will test the candidate’s knowledge of GK, current affairs, history, science, etc.

Subject-wise Preparation Tips 

NDA preparation tips for Mathematics (Paper 1)

The mathematics section consists of a total of 300 marks. In this section, 120 questions are asked, for every right answer candidate gets +2.5 marks and for every wrong answer there is a negative marking of -0.83 marks.


Matrices, Determinants, Trigonometrical Ratios and Identities, Trigonometrical Equations, Coordinate Geometry of Three Dimensions, Differentiation, Maxima and Minima, Limits, Continuity and Differentiability, Differential Equations of 1st order and 1st degree, Formation of Differential equations, Integration, Addition of vectors, Multiplication of vectors, Statistics, Measure of Central Tendency, Probability, Sets, relations and functions, Algebra, Venn Diagrams, Number system, Complex numbers, Square roots and cube roots, Fractions and decimals, Arithmetic Progression, Theory of Quadratic Equations, The Straight Line (First Degree), Permutations and combinations, Binomial Theorem, Logarithms


To prepare for this paper the most important thing is that you have to clear your basic concepts of mathematics and if your concepts are not clear then first go back to the basic concept and then solve as much as the question you can solve. Also, time management is very important if you want to score well in this section. There will be 120 questions you have to solve in 150 minutes so you will have to practice some short tricks and try to come up with an answer in on average 2 minutes.

Best Books for NDA Mathematics Preparation

Book Name Author
Mathematics for NDA and NA: National Defense Academy and Naval Academy R.S Aggrawal
Quantitative aptitude for competitive examinations R.S Aggrawal
Pathfinder for NDA & NA Entrance Examination Arihant Publications

Practice NDA Mock Test for Mathematics

NDA preparation tips for General Ability Test (Paper 2)

Paper 2 of the NDA examination is divided into 2 parts, Part A and Part B. 

Part A English

The English section consists of a total of 200 marks. In this section, 50 questions are asked, for every right answer candidate gets +4 marks and for every wrong answer there is a negative marking of -1.33 marks.


Fill ups-complete sentences, Fill Ups-Determiners, Fill Ups-Preposition, spelling test, Fill Ups-Words, Fill Ups-Tenses, Fill Ups-Verb, Comprehension (10), Comprehension (5), Choose correct sentence, Idioms, and Phrases, Complete proverb, Antonyms, Synonyms, One-word substitution, Rearrangement of sentences.


This test analyzes the candidate’s command over the English language. To prepare this section you need to learn basic grammar rules thoroughly. To expand your vocabulary start learning 5 new words daily and prepare your own notes. Read English newspapers daily. 

Best Books for NDA English Preparation

Book Name Author
NDA and NA National Defense Academy and Naval Academy Entrance Examination: 10 Practice Sets (English) Expert Compilations
NDA INA Practice Papers: Conducted by UPSC (English) SachchidaNand Jha

Part B General Knowledge

The GK section consists of a total of 400 marks. In this section 100 questions are asked, for every right answer candidate gets +4 marks and for every wrong answer there is a negative marking of -1.33 marks.


  • Physics
  • Chemistry
  • General Science
  • History
  • Geography
  • Current Affairs


General knowledge syllabus is so vast. It covers general science and social science both. To prepare this section read the newspaper daily, keep you updated with current happening in India and its neighboring countries. Be aware of happening in the field of sport, art, economy, literature, politics etc. Prefer some good magazines and books which provides weekly update on current affairs.  

Best Books for NDA Current Affairs Preparation

Book Name Author
Objective General Knowledge & Current Affairs (Level 1) Disha Experts
Objective General Knowledge & Current Affairs (Level 2) Disha Experts

Practice NDA Mock Test for General Ability

General Preparation Tips for NDA 2020 Exam

  • Start preparation at an early stage after your high school, this will give you an edge over other students. 
  • Understand the exam pattern and syllabus before starting the preparation. 
  • Refer to your 6th to 10th book for the basic understanding of topics. 
  • Make a proper study plan and set goals that you can achieve easily.
  • Practice previous year question papers as much as you can.
  • Read English newspaper daily to improve your English language and current affairs.
  • Mock tests are the key to success for any competitive exam. So practice NDA mock test regularly for a better understanding of the exam and evaluate your preparation.
  • There is a negative marking scheme in the exam so don’t waste time on the questions which you think you don’t know at first sight. First, attempt the questions in which you are confident and in remaining time you can go for another question. Remember one thing don’t guess, answer only those questions which you think are correct.
  • Keep yourself fit and healthy. Eat a healthy diet and take proper sleep. Spare some time for daily exercise. 

These are things that you can follow in order to crack the NDA 2020 exam. So tight your belt and start preparing for the exam. 

All the best future officers 🙂

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