NDA 2021 (I) Paper I Maths Question Paper with Answer Key
Take the NDA 2021 (I) Paper I Maths paper as a free online test: 120 questions, 150 minutes, the official marking scheme, then your score with every correct answer and a full review. No login, no sign-up.
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Paper details
| Exam | NDA |
|---|---|
| Year | 2021 |
| Questions | 120 (Maths 120) |
| Time | 150 minutes |
| Marking | as in each official paper: Paper I Maths +2.5 correct, −0.83 wrong; Paper II GAT +4 correct, −1.33 wrong (one-third negative); 0 skipped |
| Answer key | UPSC NDA & NA Exam (I) 2021 Final Answer Key, Mathematics (Series A; official file, via Wayback Machine copy of upsc.gov.in) |
| Hindi | 119 questions also in the official Hindi version (EN | हिंदी switch) |
Chapter-wise breakdown
Maths (120)
- Algebra 26
- Trigonometry 21
- Statistics and Probability 18
- Analytical Geometry (2D and 3D) 15
- Differential Calculus 13
- Matrices and Determinants 11
- Integral Calculus and Differential Equations 11
- Vector Algebra 5
Other NDA papers
- NDA 2023 (I) Paper I Maths 116 questions
- NDA 2023 (I) Paper II GAT 150 questions
- NDA 2023 (II) Paper I Maths 115 questions
- NDA 2023 (II) Paper II GAT 128 questions
- NDA 2022 (I) Paper I Maths 118 questions
- NDA 2022 (I) Paper II GAT 141 questions
- NDA 2021 (I) Paper II GAT 145 questions
- NDA 2021 (II) Paper I Maths 119 questions
- NDA 2021 (II) Paper II GAT 139 questions
- NDA 2020 (I & II) Paper I Maths 105 questions
- NDA 2020 (I & II) Paper II GAT 124 questions
NDA papers: official UPSC NDA & NA question papers (Paper I Mathematics, Paper II General Ability Test) and final answer keys, from archived copies of the official upsc.gov.in files. Where the final key accepts two options, either one counts as correct. Source: UPSC.