Preparing for defence examinations like NDA, CDS, and AFCAT can feel overwhelming. Vast syllabi, multiple subjects, limited time, and intense competition often confuse aspirants about what to study and how much to study. Amidst this chaos, one preparation tool stands above all others — Previous Year Questions (PYQs).
At The Lakshya Academy, we firmly believe that PYQs are not just practice material; they are the real syllabus. This blog explains why PYQs are the backbone of NDA, CDS, and AFCAT preparation, how toppers use them strategically, and how you can leverage them to maximize your score.
Understanding the Nature of Defence Exams
Before diving into the importance of PYQs, it is crucial to understand the nature of NDA, CDS, and AFCAT examinations.
These exams are:
Concept-based rather than rote-based
Designed to test clarity, logic, and application
Repetitive in concepts and question patterns
Time-bound with high accuracy requirements
Unlike conventional exams, defence exams rarely ask random or unpredictable questions. Instead, they rotate concepts, modify numbers, and test fundamentals repeatedly. This is exactly where PYQs become powerful.
What Are PYQs and Why Do They Matter?
PYQs (Previous Year Questions) are the actual questions asked in past NDA, CDS, and AFCAT exams. They reflect:
Examiners’ mindset
Frequently tested topics
Difficulty level trends
Concept repetition patterns
At The Lakshya Academy, we often say:
“If you master PYQs, you master the exam.”
PYQs give you real exam exposure, something no guidebook or random mock test can fully replicate.
PYQs = The Real Syllabus (Not the Official One)
The official syllabus released by UPSC and IAF is broad and undefined. It mentions topics like Algebra, Trigonometry, History, Polity, Physics, etc., without specifying depth.
PYQs solve this problem by clearly showing:
What is important
What is repeatedly asked
What can be ignored or given less priority
Example:
Trigonometry has 20+ formulas, but PYQs reveal that only 6–7 formulas are repeatedly used.
In History, certain topics like Modern Indian History and Freedom Movement dominate PYQs.
Thus, PYQs act as a filter, converting a vast syllabus into a focused, exam-oriented syllabus.
Benefits of Studying PYQs for NDA, CDS & AFCAT
1. Identifies High-Weightage Topics
By analyzing PYQs, you can easily identify:
Frequently asked chapters
High-scoring areas
Topics that appear every year
The Lakshya Academy’s PYQ analysis shows that 60–70% of questions come from repeated concepts.
2. Builds Conceptual Clarity
PYQs are not about memorizing answers. They help you:
Understand how concepts are applied
Learn shortcuts and smart approaches
Strengthen fundamentals
When you solve PYQs topic-wise, concepts automatically become clear and permanent.
3. Improves Speed and Accuracy
Defence exams are a race against time. Regular PYQ practice:
Improves question recognition
Reduces thinking time
Minimizes silly mistakes
Most The Lakshya Academy toppers report that actual exam questions feel familiar because of PYQ practice.
4. Reduces Unnecessary Study Load
Many aspirants waste months studying irrelevant topics. PYQs help you:
Avoid over-studying
Focus only on exam-relevant content
Save time and energy
This is extremely important for repeaters and working aspirants.
5. Boosts Confidence Before the Exam
Nothing builds confidence like solving actual exam-level questions. PYQs:
Remove exam fear
Build mental readiness
Create a winning mindset
Confidence plays a huge role in defence exams, especially in Maths and Reasoning.
Subject-Wise Importance of PYQs
Mathematics (NDA, CDS, AFCAT)
Maths is highly repetitive in defence exams. PYQs reveal:
Repeated question models
Fixed approach-based questions
Important formulas and tricks
The Lakshya Academy emphasizes PYQ-based Maths practice, which alone can boost scores by 20–30 marks.
General Knowledge (GK)
For History, Geography, Polity, and Economics:
PYQs show trending areas
Static topics dominate over random current affairs
Certain themes repeat every year
Studying GK without PYQs is like shooting in the dark.
English
English PYQs help you understand:
Common vocabulary
Grammar patterns
Comprehension difficulty level
Repeated exposure sharpens language instincts naturally.
How Toppers Use PYQs Differently
Average aspirants solve PYQs once. Toppers:
Solve PYQs multiple times
Analyze mistakes deeply
Classify PYQs topic-wise
Revise PYQs before the exam
At Lakshya Academy, we train students to treat PYQs as learning tools, not just tests.
PYQ-Based Strategy by Lakshya Academy
Our preparation model is built around PYQs:
Topic-wise PYQ classes
Concept teaching through PYQs
Regular PYQ tests
PYQ-based revision sessions
This approach has consistently produced recommended candidates in NDA, CDS, and AFCAT.
Common Mistakes Students Make with PYQs
Avoid these mistakes:
Solving PYQs without concept clarity
Memorizing answers blindly
Ignoring PYQ analysis
Practicing PYQs only at the end
Correct usage of PYQs from the beginning of preparation is the key.
How Many Years of PYQs Are Enough?
Lakshya Academy recommends:
NDA: Last 10–15 years
CDS: Last 15 years
AFCAT: Last 10 years
Quality analysis matters more than quantity.
Final Thoughts: PYQs Are Your Ultimate Weapon
In competitive defence exams, smart preparation beats hard preparation. PYQs give you direction, clarity, confidence, and accuracy — everything required to crack NDA, CDS, and AFCAT.
At The Lakshya Academy, we strongly advocate:
“Don’t chase the syllabus — chase PYQs.”
If you truly want to understand the exam, score high, and join the Armed Forces, make PYQs your primary study material, not an afterthought.

