NDA / CDS / AFCAT
National Defence Academy · Combined Defence Services · Air Force Common Admission Test
Complete English-medium preparation for officer-entry written exams: Mathematics, English, General Knowledge and Reasoning & Military Aptitude, followed by 10 full-length mock tests.
1. Study Material
Subject-wise, chapter-wise notes
Mathematics3 chaptersEnglish1 chaptersGeneral Knowledge3 chaptersReasoning and Military Aptitude1 chapters
Each chapter has a master formula table, master summary table, diagrams, a mind map, one-liners, tips and tricks, and PYQ-based questions with detailed answers.
2. Mock Tests
10 × 100 Questions
- › English (Verbal Ability) — 25 Questions
- › General Knowledge & Awareness — 30 Questions
- › Mathematics (Numerical Ability) — 25 Questions
- › Reasoning & Military Aptitude — 20 Questions
- › +3 correct, −1 wrong · 120 minutes
- › Answers stay hidden — click to reveal a detailed explanation
Exam pattern — NDA / CDS / AFCAT
| Exam | Paper / Subjects | Qs | Marks | Time | Note |
|---|---|---|---|---|---|
| NDA & NA | Paper I — Mathematics | 120 | 300 | 2 h 30 min | −0.83 per wrong answer (one-third) |
| NDA & NA | Paper II — General Ability Test (English 200 + GK 400) | 150 | 600 | 2 h 30 min | English 50 Qs, GK 100 Qs; one-third negative |
| CDS (IMA / INA / AFA) | English · General Knowledge · Elementary Mathematics | 120 · 120 · 100 | 100 each | 2 h each | OTA: English and GK only; one-third negative |
| AFCAT | General Awareness, Verbal Ability, Numerical Ability, Reasoning & Military Aptitude | 100 | 300 | 2 h | +3 / −1; EKT (technical) is separate |
Written results are followed by the SSB interview (5 days) and a medical board. Patterns and marks above reflect recent notifications — always confirm with the latest official notice on upsc.gov.in and afcat.cdac.in.