NDA 2 Maths Answer Key Sep 13, 2026 Out; Check Detailed Solution

NDA 2 Maths Answer Key 2026 with detailed solutions is available here to download in PDF format. NDA 2 2026 was conducted on September 13, 2026, and the Mathematics paper was held from 10:00 AM to 12:30 PM. Candidates can use the NDA 2 Maths Answer Key 2026 to check the correct responses for their question paper set and estimate their probable marks before the result is announced.

NDA 2 Maths Answer Key 2026 with Detailed Solution

Question Paper PDF	Answer Key PDF	Detailed Solution
NDA 2 2026 Maths Question Paper PDF (Sep 13, 2026) (SET A)	Download PDF	Attempt Now
NDA 2 2026 Maths Question Paper PDF (Sep 13, 2026) (SET B)	Download PDF	Attempt Now
NDA 2 2026 Maths Question Paper PDF (Sep 13, 2026) (SET C)	Download PDF	Attempt Now
NDA 2 2026 Maths Question Paper PDF (Sep 13, 2026) (SET D)	Download PDF	Attempt Now

NDA 2 Maths Unofficial Answer Key PDF (Sep 13, 2026) (SET A)

Note: Candidates should match their responses only with the answer key corresponding to their question paper set. Answer keys made available immediately after the examination may be prepared by subject experts for reference. The official UPSC answer key should be treated as final once released by the Commission.

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NDA 2 Maths Exam Pattern 2026

NDA 2 Mathematics was Paper I of the written examination and carried a total of 300 marks. The paper consisted of 120 objective-type multiple-choice questions that candidates had to complete within 2 hours and 30 minutes. The Mathematics paper covered topics such as Algebra, Matrices and Determinants, Trigonometry, Analytical Geometry of Two and Three Dimensions, Differential Calculus, Integral Calculus and Differential Equations, Vector Algebra, Statistics and Probability.

Each question in the NDA Mathematics paper carries 2.5 marks. There is a penalty for incorrect responses, with one-third of the marks assigned to a question deducted for every wrong answer. Therefore, approximately 0.83 marks are deducted for each incorrect response. No marks are deducted for questions that are left unanswered. Candidates should therefore focus on maintaining accuracy while attempting the paper rather than relying heavily on guesswork.

The Mathematics paper is designed to assess conceptual understanding, calculation ability and problem-solving skills. Since candidates had 150 minutes to solve 120 questions, effective time management was important. Questions involving Calculus, Algebra, Trigonometry, Coordinate Geometry and Probability may require multiple calculation steps, while some formula-based questions can be solved comparatively quickly.

Mathematics contributes 300 marks out of the total 900 marks available in the NDA written examination. Candidates must therefore maintain a balance between speed and accuracy while attempting the paper. The NDA 2 Maths Answer Key 2026 can be used after the examination to identify correct and incorrect responses and estimate the probable Mathematics score.

NDA 2 Maths Topic-Wise Weightage 2026

NDA Mathematics covers a wide range of topics from Algebra, Calculus, Trigonometry, Geometry, Matrices, Vector Algebra, Statistics and Probability. UPSC does not prescribe a fixed number of questions for every Mathematics chapter. Therefore, the exact topic-wise weightage can change from one NDA examination to another.

Based on recent NDA question paper trends, Algebra, Calculus, Analytical Geometry, Trigonometry, Matrices and Determinants, and Statistics and Probability remain important areas of the Mathematics paper. Candidates should prepare the complete syllabus instead of depending only on expected topic-wise weightage. The actual NDA 2 Maths 2026 topic distribution will be updated after analysing the question paper conducted on September 13, 2026.

Note: The weightage mentioned above represents the general trend observed in previous NDA Mathematics papers and should not be treated as a fixed question distribution for NDA 2 2026. UPSC can vary the number of questions from individual topics.

NDA 2 Maths Algebra Weightage 2026

Algebra is one of the major areas of the NDA Mathematics syllabus and has regularly contributed a substantial number of questions in previous papers. The syllabus covers sets and relations, complex numbers, quadratic equations, arithmetic and geometric progressions, permutation and combination, binomial theorem and logarithms. Questions can be both formula-based and conceptual, so candidates need a clear understanding of fundamental algebraic properties and methods.

NDA 2 Maths Matrices and Determinants Weightage 2026

Matrices and Determinants generally have a moderate presence in the NDA Mathematics paper. Questions may be based on types of matrices, matrix operations, properties of determinants, adjoint and inverse of matrices and solving simultaneous linear equations. Since several questions from this area can be solved directly by applying standard properties, good conceptual clarity can help candidates save time in the examination.

NDA 2 Maths Trigonometry Weightage 2026

Trigonometry is another recurring area in NDA Mathematics. Important concepts include trigonometric ratios, identities, compound angles, multiple and sub-multiple angles, inverse trigonometric functions, properties of triangles and heights and distances. Candidates should revise standard identities and formulae carefully because they are frequently required for solving both direct and multi-step questions.

NDA 2 Maths Analytical Geometry Weightage 2026

Analytical Geometry of Two and Three Dimensions generally contributes a noticeable share of questions to the NDA Mathematics paper. Questions can involve straight lines, circles, conic sections, distance and section formulae, coordinates in three dimensions, equations of lines and planes and angles between geometrical objects. This section tests both formula application and visual understanding of geometrical relationships.

NDA 2 Maths Calculus Weightage 2026

Calculus is among the most important areas for NDA Mathematics preparation. Differential Calculus covers concepts such as limits, continuity, differentiation and applications of derivatives, while Integral Calculus includes integration, definite integrals and areas bounded by curves. Differential Equations are also included in the syllabus. Previous papers indicate that Calculus can contribute a significant number of questions and may require comparatively more calculation time.

NDA 2 Maths Vector Algebra Weightage 2026

Vector Algebra usually contributes fewer questions compared with larger areas such as Algebra and Calculus, but it remains an important scoring topic. Candidates should prepare concepts related to vectors in two and three dimensions, magnitude and direction, unit vectors, addition of vectors, scalar multiplication, dot product and cross product.

NDA 2 Maths Statistics and Probability Weightage 2026

Statistics and Probability have remained important components of recent NDA Mathematics papers. Statistics includes frequency distribution, graphical representation of data, mean, median, mode, variance, standard deviation, correlation and regression. Probability covers events, conditional probability, Bayes' theorem, random variables and binomial distribution. Candidates should practise a variety of problems because questions may involve both direct formula application and interpretation of given information.

NDA 2 Maths Answer Key 2026 FAQs

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