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The UPSC NDA 1 2025 Answer Key is crucial for all candidates who appeared for the NDA exam conducted by the Union Public Service Commission (UPSC) on April 13, 2025. This exam is held for admission to the prestigious National Defence Academy (NDA) for Army, Navy, and Air Force wings.
The exam was conducted in two shifts:
- Mathematics: 10:00 AM to 12:30 PM
- General Ability Test (GAT): 2:00 PM to 4:30 PM
Let’s look at the detailed paper analysis, difficulty level, expected good attempts, and how to download the answer key.
NDA 1 2025 Maths Paper Analysis
According to students and experts, the Mathematics paper was Moderate to Difficult in terms of difficulty. Questions were spread across various important topics. Here’s a quick summary of the topic-wise distribution:
| Topic | No. of Questions |
|---|---|
| Matrices and Determinants | 7–8 |
| Vector Algebra | 5–6 |
| Quadratic Equations & Roots | 4–5 |
| Integration & Applications | 4–5 |
| Permutation & Combination | 3–5 |
| 3D Geometry | 3–4 |
| Trigonometry | 2–3 |
| Probability | 1–2 |
| Sets, Functions & Relations | 4–5 |
| Conic Section | 2–3 |
Good Attempts for Maths Paper:
Most candidates reported attempting 58 to 63 questions with confidence.
GAT (General Ability Test) Paper Review
The GAT paper analysis is awaited as of now. However, based on the syllabus and past trends, the paper usually includes questions from the following sections:
- English
- General Science (Physics, Chemistry, Biology)
- History and Polity
- Geography
- Current Affairs
The answer key for GAT will be shared here as soon as it’s available.
UPSC NDA 1 2025 Marking Scheme
| Subject | Total Questions | Total Marks | Marks per Right Answer | Negative Marking | Time Duration |
|---|---|---|---|---|---|
| Mathematics | 120 | 300 | +2.5 | -0.83 | 2.5 hours |
| GAT | 150 | 600 | +4 | -1.33 | 2.5 hours |
How to Download UPSC NDA 1 2025 Answer Key
The official answer key will be released on the UPSC website a few weeks after the exam. Follow these steps to download it:
- Visit the official UPSC website – https://www.upsc.gov.in
- Click on the “Examinations” tab.
- Select “Answer Keys” from the dropdown.
- Look for “NDA & NA (I) 2025” and click the link to download the PDF.
- Match your responses with the official answers to estimate your score.
When Will UPSC NDA 1 2025 Answer Key Be Released?
The unofficial answer key is expected to be released by leading coaching institutes within 24 hours of the exam. The official answer key will be released by UPSC after the completion of the selection process or before the result declaration.
Final Words
The UPSC NDA 1 2025 Answer Key is the first step for candidates to assess their performance and predict their chances of clearing the written exam. Stay tuned for updates on cut-off marks, result date, and SSB interview details.
📌 Bookmark this page for the direct link to NDA 1 answer key PDF, expected cut-offs, and expert analysis!
❓ FAQs for UPSC NDA 1 2025 Answer Key
Q1. When will the UPSC NDA 1 2025 Answer Key be released?
The official UPSC NDA 1 2025 answer key will be released a few weeks after the exam on the official UPSC website. However, unofficial answer keys by coaching institutes may be available within 24 hours of the exam.
Q2. Where can I download the NDA 1 2025 answer key PDF?
You can download the official answer key from the UPSC website at www.upsc.gov.in under the “Examinations” → “Answer Keys” section.
Q3. What was the difficulty level of the NDA 1 2025 Maths paper?
According to student feedback and expert analysis, the NDA 1 2025 Mathematics paper was moderate to difficult in terms of difficulty.
Q4. What are the expected good attempts in the NDA Maths paper 2025?
Based on initial feedback, a good number of attempts in the NDA Maths paper is considered to be between 58 to 63 questions.
Q5. Is there negative marking in the NDA 1 2025 exam?
Yes, there is negative marking. In the Maths paper, 0.83 marks are deducted for every wrong answer, and in the GAT paper, 1.33 marks are deducted.
Q6. What is the marking scheme for the NDA exam?
Mathematics: 120 questions, 300 marks, +2.5 for correct, -0.83 for wrong.
GAT: 150 questions, 600 marks, +4 for correct, -1.33 for wrong.
Q7. How can I calculate my NDA 1 2025 score using the answer key?
Compare your answers with the answer key. Multiply correct answers by the mark per question and subtract the total negative marks to estimate your score.