NDA Subject Wise & Topic Wise Weightage (2014–2025 Trend Analysis)
The National Defence Academy (NDA) written examination is conducted by the Union Public Service Commission twice every year for candidates who wish to join the Indian Armed Forces.
Understanding the subject wise and topic wise weightage based on previous year question papers helps aspirants prepare more effectively and focus on high-scoring areas.
By analysing NDA papers from 2014 to 2025, we can clearly identify which subjects and topics carry the highest weightage in the exam.
NDA Exam Pattern Overview
| Paper | Subject | Questions | Marks | Duration |
| Paper 1 | Mathematics | 120 | 300 | 2.5 Hours |
| Paper 2 | General Ability Test | 150 | 600 | 2.5 Hours |
Total Marks: 900
The GAT paper carries double the marks of Maths, so students must plan their preparation accordingly.
NDA Mathematics Topic Wise Weightage (Detailed Analysis)
The Mathematics paper contains 120 questions, and the weightage of topics has remained fairly consistent over the last 10 years.
Mathematics Topic Distribution
| Topic | Average Questions | Approx Weightage |
| Calculus | 25–30 | 20–25% |
| Algebra | 20–25 | 18–20% |
| Trigonometry | 18–22 | 15–18% |
| Coordinate Geometry | 18–20 | 15–17% |
| Vectors | 10–12 | 8–10% |
| Statistics & Probability | 8–10 | 7–8% |
| Matrices & Determinants | 6–8 | 5–6% |
Key Insight
Nearly 65–70% of the Mathematics paper comes from four major topics:
- Calculus
- Algebra
- Trigonometry
- Coordinate Geometry
Therefore, mastering these topics can significantly improve your NDA Maths score.
NDA Maths Chapter Wise Important Topics
Algebra
Weightage: 20–25 Questions
Important chapters:
- Quadratic equations
- Permutation and combination
- Binomial theorem
- Sequence and series
These chapters appear in almost every NDA paper.
Calculus
Weightage: 25–30 Questions
Important chapters:
- Limits and continuity
- Differentiation
- Integration
- Applications of derivatives
Calculus is usually the highest weightage section in NDA Maths.
Trigonometry
Weightage: 18–22 Questions
Important chapters:
- Trigonometric identities
- Inverse trigonometric functions
- Heights and distances
These questions are usually moderate difficulty but scoring.
Coordinate Geometry
Weightage: 18–20 Questions
Important chapters:
- Straight lines
- Circles
- Parabolas
- Ellipse and hyperbola
Most questions are formula-based and quick to solve.
NDA GAT Subject Wise Weightage
The General Ability Test (GAT) consists of English and General Knowledge sections.
Subject Distribution
| Subject | Questions | Marks |
| English | 50 | 200 |
| Physics | 25 | 100 |
| Chemistry | 15 | 60 |
| History | 20 | 80 |
| Geography | 20 | 80 |
| Biology | 10 | 40 |
| Current Affairs | 10 | 40 |
NDA GAT Topic Wise Weightage
English Section
Weightage: 50 Questions (200 Marks)
Important areas:
- Vocabulary
- Grammar
- Synonyms & Antonyms
- Sentence improvement
- Reading comprehension
English is considered the most scoring section of the GAT paper.
Physics
Weightage: 23–25 Questions
Important topics:
- Mechanics
- Electricity & Magnetism
- Heat and Thermodynamics
- Optics
Physics questions are mostly concept-based but from Class 11–12 level.
Chemistry
Weightage: 14–16 Questions
Important topics:
- Atomic structure
- Chemical bonding
- Periodic table
- Basic organic chemistry
Most questions are theory based and easy to moderate.
History
Weightage: 18–20 Questions
Important topics:
- Modern Indian history
- Freedom movement
- World history basics
History questions appear in almost every NDA exam.
Geography
Weightage: 18–20 Questions
Important topics:
- Indian geography
- Climate and rivers
- Natural resources
Geography questions are usually map and concept based.
Biology
Weightage: 8–10 Questions
Important topics:
- Human body systems
- Plant biology
- Ecology
Biology questions are generally easy and scoring.
Key Trends Observed from Previous Year Papers
After analysing NDA papers from the last decade, several patterns emerge:
✔ Mathematics questions are mostly formula based
✔ Calculus and Algebra together contribute almost 40% of the Maths paper
✔ English alone contributes 200 marks, making it the highest scoring section
✔ Physics + Chemistry together account for nearly 160 marks
✔ History and Geography consistently appear with 35–40 questions combined
Understanding these trends helps students prioritize their preparation effectively.
Preparation Strategy Based on Weightage
A smart NDA preparation plan should follow this structure:
Focus Areas
High Priority
- Calculus
- Algebra
- English
- Physics
Medium Priority
- Trigonometry
- History
- Geography
Low Priority
- Biology
- Current Affairs
This approach ensures that aspirants cover maximum marks with minimum time.
NDA Preparation at Samaritan Defence Arena
For students who want structured guidance and expert mentorship, Samaritan Defence Arena provides one of the best environments for NDA preparation.
At Samaritan Defence Arena, students get:
✔ Subject-wise NDA preparation classes
✔ Detailed previous year paper analysis
✔ Regular mock tests and performance evaluation
✔ Expert faculty guidance
✔ SSB interview preparation
The academy has already produced multiple successful selections in NDA and other defence exams, making it a trusted institute for serious aspirants.
Conclusion
Understanding the NDA subject wise and topic wise weightage is extremely important for strategic preparation.
Students who focus on high-weightage topics like Calculus, Algebra, English, and Physics have a much higher chance of scoring well in the NDA written examination.
Consistent practice, solving previous year papers, and proper guidance can greatly increase the chances of clearing this prestigious defence exam.
FAQs – NDA Subject Wise & Topic Wise Weightage
1️⃣ Who conducts the NDA examination?
The NDA examination is conducted by the Union Public Service Commission twice a year to recruit candidates for the National Defence Academy and Naval Academy.
2️⃣ What is the total marks of the NDA written exam?
The NDA written exam carries a total of 900 marks:
- Mathematics – 300 marks
- General Ability Test (GAT) – 600 marks
Candidates who qualify in the written exam are called for the SSB interview.
3️⃣ Which subject has the highest weightage in the NDA exam?
The General Ability Test (GAT) has the highest weightage in the NDA exam with 600 marks, which is double the marks of the Mathematics paper.
4️⃣ Which topics are most important for NDA Mathematics?
Based on previous year question paper analysis, the most important topics for NDA Maths are:
- Calculus
- Algebra
- Trigonometry
- Coordinate Geometry
These topics together contribute nearly 60–70% of the Mathematics paper.
5️⃣ How many questions are asked in the NDA exam?
The NDA written exam consists of 270 questions in total:
- Mathematics – 120 questions
- GAT – 150 questions
6️⃣ Is English important in the NDA exam?
Yes, English is very important because it carries 200 marks in the GAT paper. A strong command of grammar, vocabulary, and comprehension can significantly increase the overall score.
7️⃣ How should I prepare for NDA based on topic weightage?
A smart preparation strategy should include:
- Focusing on high-weightage topics like Calculus and Algebra
- Practicing previous year question papers
- Taking regular mock tests
- Improving English vocabulary and grammar
Structured guidance from coaching institutes such as Samaritan Defence Arena can also help aspirants prepare effectively for both the written exam and the SSB interview.
8️⃣ Are previous year question papers useful for NDA preparation?
Yes, solving previous year question papers helps candidates understand:
- exam pattern
- important topics
- difficulty level of questions
It also improves time management and accuracy during the exam.
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