NDA Maths Important Questions: The Maths section in the NDA 2025 exam plays a crucial role in a candidate’s overall performance. It carries 300 marks out of 900, making it one of the most important sections for clearing the cutoff. A good command of Mathematics builds analytical and reasoning skills, which are further tested during the SSB Interview and later used in technical training at NDA. Regular practice in Mathematics can give aspirants a competitive edge and help them move ahead in the final merit list. Focusing on important questions in the NDA Maths paper helps aspirants prepare more efficiently and strategically. NDA Maths Paper not only tests your knowledge of formulas and concepts but also your problem-solving ability, logical thinking, and calculation speed. NDA Maths Important Questions are usually based on frequently asked topics. By practising these high-probability questions, candidates can improve their accuracy, understand the exam pattern, and manage time better during the test. It also boosts confidence by reducing surprises in the actual exam. In short, revising important questions increases your chances of scoring higher and securing a better rank in the NDA merit list. This article highlights the most important questions and topics you should focus on for the Maths portion of NDA 2025, along with sample questions and expert tips.
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NDA Exam Maths Syllabus
The NDA Maths syllabus covers important topics such as Algebra, Matrices and Determinants, Trigonometry, Analytical Geometry, Calculus, Vector Algebra, Statistics and Probability. A clear understanding of the syllabus helps aspirants focus on high-yield areas and prepare smartly.
Algebra
- Set and Relation
- Complex Number & Quadratic Equation
- Sequence and Series
- Permutation and Combination
- Binomial theorem
- Logarithm
Matrices and Determinants
- Matrices
- Determinants
- Cramer’s rule
Trigonometry
- Trigonometric Ratios
- Trigonometric identities
- Inverse Trigonometric Functions
- Height and Distance
- Properties of Triangles
Analytical Geometry of Two and Three Dimensions
- Conic Sections
- Equation of a Plane, a Line and a Sphere
Calculus
- Limit Continuity and Differentiability
- Derivative of a Function
- Application of Derivatives
- Indefinite Integration
- Definite Integrals
- Application of Integrals
- Differential Equation
Vector Algebra
- Vectors in Two and Three Dimensions
- Scalar and Vector Product of Two Vectors
- Applications of Vector
Statistics and Probability
- Measures of Central Tendency
- Variance and Standard Deviation
- Correlation and Regression
- Mutually Exclusive and Exhaustive Events
- Union and Intersection of Events
- Conditional Probability
- Bayes’ Theorem
Check the NDA Syllabus 2025; Check Paper-wise Important Topics, Weightage and Latest Exam Pattern
NDA Exam Maths Section Topic-wise Weightage
To prepare well, candidates need to understand how questions and marks are divided topic-wise in the Maths section. Knowing which topics are asked more often and carry higher marks helps aspirants set the right priorities, manage their time better, and focus on the scoring areas. The table below shows the expected topic-wise weightage based on past exam trends.
| Topic | Approx. No. of Questions |
Marks (Out of 300) |
| Algebra | 20–25 | 80–100 |
| Trigonometry | 15–20 | 60–80 |
| Matrices & Determinants | 8–10 | 32–40 |
| Analytical Geometry (2D & 3D) | 10–14 | 40–56 |
| Differential Calculus | 10–12 | 40–48 |
| Integral Calculus & Differential Equations | 8–10 | 32–40 |
| Vector Algebra | 6–8 | 24–32 |
| Probability & Statistics | 10–12 | 40–48 |
| Complex Numbers | 5–6 | 20–24 |
| Logarithms & Miscellaneous | 4–5 | 16–20 |
NDA 2025 Maths Important Questions
To help aspirants focus their preparation, it’s important to identify and practise the most frequently asked and high-weightage questions. Studying these important questions not only improves accuracy but also builds confidence for the actual exam.
Answers:
| 1. (C) | 2. (C) | 3. (D) | 4. (A) | 5. (D) |
| 6. (D) | 7. (B) | 8. (B) | 9. (C) | 10. (A) |
| 11. (C) | 12. (B) | 13. (D) | 14. (C) | 15. (D) |
| 16. (C) | 17. (A) | 18. (B) | 19. (B) | 20. (B) |
How to Prepare for the Maths Section of the NDA Exam?
- Focus on high-weightage topics like: Algebra, Calculus, Trigonometry and Geometry.
- Study the NCERT Class 11 & 12 Maths books thoroughly, as most NDA questions are based on them.
- Learn and revise important formulas, theorems, and shortcuts regularly.
- Practice mental maths and time-bound exercises to improve accuracy under exam pressure.
- Start with chapter-wise practice, then move to full-length mock tests.
- Keep short notes and formula sheets for quick revision before the exam.
NDA Exam Best Books For Maths
- NCERT Class 11 & 12 Maths books
- Mathematics for NDA & NA by R.S. Aggarwal
- NDA Entrance Exam – Mathematics for NDA/NA by E.S. Ramasamy