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NDA 2026: Subject-Wise Weightage & Syllabus Guide

 SUBJECT SPECIALIZATION · 2026 Title: NDA 2026: Subject-Wise Weightage & Syllabus Guide

Nav tabs: Maths Weightage | GAT 400+ Guide | Biology (Non-Science) | English Mastery | Chemistry (GAT)

TAB 1: MATHS WEIGHTAGE

1. Algebra: The Foundation (25-30%)
Key Sub-Topics
Strategic Importance
2. Quadratic Equations
Foundational; roots and coefficients analysis is vital.
3. Progressions (AP/GP)
Standard questions on series summation and Nth term.
4. Complex Numbers
Focus on Argument, Modulus, and Cube Roots of Unity.
5. Permutations (P&C)
Concept-heavy; high weightage in probability too.
6. Binomial Theorem
Questions focus on finding the General Term and Coefficients.
7. Logarithms
Usually 2-3 questions; used as a tool in other topics.
8. Matrices/Determinants
Scoring section; focus on properties and Cramer's Rule.
9. Linear Inequations
Simple scoring; often combined with region graphing.
10. Concept Overlap
Mastering Algebra helps in understanding Calculus limits.
1. Sets & Relations
High weightage; usually 5-8 direct questions.
2. Trigonometry Mastery
Sub-Topic
Notes
1. Ratio Identities
Memorize standard angle values (0-90) for quick solving.
2. Height & Distance
Expect 2-3 questions involving elevation and depression.
3. Inverse Functions
Focus on Domain and Range for Principal values.
4. Multiple Angles
Sin2A, Cos2A, and Tan3A formulas are frequent triggers.
5. Triangle Properties
Understand Sine Rule and Cosine Rule for sides.
6. Compound Angles
Master (A+B) formulas for Sin and Cos.
7. Quadrant Rules
Essential for signs in all trigonometric conversions.
8. General Solutions
Focus on finding 'nπ' solutions for equations.
9. Maximum/Minimum
aSinX + bCosX limits are √(a²+b²).
10. Conditional Trigo
Identity-based questions when A+B+C = 180.
3. Calculus: The Rank Maker
Sub-Topic
Notes
2. Differentiation
Chain rule and Parametric forms are top priority.
3. Maxima & Minima
High weightage; application of first and second derivatives.
4. Definite Integral
Properties of definite integrals are vital for Paper 1.
5. Indefinite Integral
Focus on substitution and integration by parts.
6. Area Under Curves
Questions focus on Parabolas and Circle boundaries.
7. Differential Eqns
Master finding Order and Degree of equations.
8. Tangents & Normals
Geometric applications of derivatives (slope m).
9. Rate of Change
Physical applications of derivatives in kinematics.
10. Mean Value Theorems
Lagrange and Rolle's theorems occasionally appear.
1. Limits & Continuity
Use L-Hospital Rule for 0/0 and inf/inf forms.
4. Coordinate Geometry
Title
Description
1. Straight Lines
Slope, intercepts, and perpendicular distance tracking.
2. Circles
Standard and general equations of a circle.
3. Conic Sections
Eccentricity and focus for Parabola and Ellipse.
4. Distance Formula
Basics of 2D and 3D coordinate geometry.
5. Section Formula
Internal and external division of line segments.
6. Centroid & Incenter
Calculating triangle centers from coordinates.
7. Angle between Lines
Using tanθ formula for intersection calculations.
8. Pair of Lines
Joint equation representing two straight lines.
9. Tangency Condition
When a line y=mx+c touches a conic section.
10. 3D Plane Basics
Direction cosines and Normal vectors to planes.
5. Stats & Probability
Sub-Topic
Notes
2. Differentiation
Chain rule and Parametric forms are top priority.
3. Maxima & Minima
High weightage; application of first and second derivatives.
4. Definite Integral
Properties of definite integrals are vital for Paper 1.
5. Indefinite Integral
Focus on substitution and integration by parts.
6. Area Under Curves
Questions focus on Parabolas and Circle boundaries.
7. Differential Eqns
Master finding Order and Degree of equations.
8. Tangents & Normals
Geometric applications of derivatives (slope m).
9. Rate of Change
Physical applications of derivatives in kinematics.
10. Mean Value Theorems
Lagrange and Rolle's theorems occasionally appear.
1. Limits & Continuity
Use L-Hospital Rule for 0/0 and inf/inf forms.
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