The NDA-1 2026 exam is a decisive step for aspirants who are aiming to join the Indian Armed Forces. And those who are dreaming to serve the nation. After the exam, we must understand that candidates eagerly look for the answer key for evaluation of their performance. Our NDA- 1 2026 Answer Key for Maths and GAT of All Sets help defence aspirants to calculate their expected score and analyze their performance effectively.
Overview of NDA -1 2026 Answer Key
UPSC is the conducting body of the NDA exam , the exam consists of two papers including Mathematics and (GAT). The answer key helps candidates to verify their responses and estimate their scores before the declaration of the official result. 44
| Particulars | Details |
| Exam Name | NDA -1 2026 |
| Conducting Body | UPSC |
| Exam Date | 12 April 2026 |
| Papers | Mathematics and GAT |
| Total Marks | 900 (Maths -300 + GAT- 600) |
| Sets Available | A, B, C, D |
NDA -1 2026 Answer Key PDF – Maths and GAT of All Sets
At Shield Defence Academy, the best NDA coaching in India our expert faculty has prepared a reliable and well accurate answer key for all sets. You can easily access the answer key below –
Mathematics Answer Key – Paper 1
| Set | Download |
| Set A | Download |
| Set B | Download |
| Set C | Download |
| Set D | Download |
GAT Answer Key (Paper 2)
| Set | Download |
| Set A | Download |
| Set B | Download |
| Set C | Download |
| Set D | Download |
Importance of NDA Answer Key
The NDA answer key is not just a solution sheet. Instead, it is a powerful tool for self-evaluation and deep analysis as well. Students should be careful while checking their answers. Shield Defence Academy, the top NDA coaching classes in Lucknow is always with you for help. Let’s know the importance –
- Firstly, it helps in calculating your expected score
- Secondly, it gives clarity on correct and incorrect attempts
- Apart, it helps in identifying weak areas
- In addition, it reduces anxiety before results
- Lastly, it helps in planning for SSB preparation
NDA -1 2026 Marking Scheme
To calculate your score accurately, you must understand the marking scheme suggested by SDA, defence institute of India.
| Paper | Correct Answer | Wrong Answer | Total Marks |
| Mathematics | +2.5 | -0.83 | 300 |
| GAT | +4 | -1.33 | 600 |
Maths Paper Analysis – NDA -1 2026
The Mathematics paper was moderate in difficulty, with a balanced mix of conceptual and calculative questions.
Topic-Wise Analysis –
| Topic | Difficulty Level | Weightage |
| Algebra | Moderate | High |
| Trigonometry | Moderate | Medium |
| Calculus | Moderate to Hard | Medium |
| Geometry and Mensuration | Easy to Moderate | High |
| Statistics and Probability | Easy | Low |
NDA -1 2026 GAT Paper Analysis
The GAT paper tested both knowledge and application skills.
| Section | Topics Covered | Questions |
| English | Grammar, Vocabulary, Comprehension | 50 |
| General Knowledge | Physics, Chemistry, History, Geography, Current Affairs | 100 |
Good Attempts and Expected Cut-Off
Based on exam analysis:
| Paper | Good Attempts | Safe Score |
| Mathematics | 70 to 80 | 100+ |
| GAT | 95 to 110 | 250+ |
Expected Cut-Off (Written)
355 to 380 marks (out of 900)
How to Calculate Your NDA Score?
Follow these simple steps to calculate NDA scores –
- Firstly, match your answers with the answer key
- Then, add marks for correct answers
- After that, subtract negative marks
- Finally, calculate your total score
What to Do After Checking Your Answer Key?
Once you calculate your score –
- If your score is high – Start preparing for SSB Interview
- If your score is average – Improve weak areas for NDA 2
- If your score is low – Focus on basics and practice
Why Choose Shield Defence Academy?
Shield Defence Academy, NDA foundation coaching in Lucknow is known for delivering result oriented NDA preparation with –
- Experienced faculty
- Accurate answer keys
- Detailed paper analysis
- Regular mock tests
- SSB preparation guidance
Final Words
The NDA-1 2026 Answer Key for Maths and GAT (All Sets) is your first step towards understanding your performance. Apart from this answer key helps in estimating your scores. It also gives direction for improvement. Therefore, it is important to analyze your performance carefully and prepare strategically for the next stage. With the right guidance from Shield Defence Academy, the NDA coaching in Lucknow, your NDA exam becomes truly achievable.
FAQs
1. Is the coaching answer key reliable?
Yes, truly the answer keys by institutes Shield Defence Academy are highly accurate and prepared by experts. So you can rely.
2. How many sets are there in the NDA -1 2026 exam?
NDA -1 consists of four sets of papers that are A, B, C and D for both Maths and GAT.