# Vector Algebra NDA PYQ Topic Wise (2016–2026)

> Vector Algebra NDA PYQs: all 111 questions from 42 official papers (2016–2026), by concept with official answers. Asked in 11 of 11 years.

Source: https://previousyearquestions.app/nda/topics/nda-vector-algebra/

Explore: <a href="/nda/topics/">All NDA topics</a> · <a href="/nda/topics/mathematics/">NDA Mathematics PYQs</a> · <a href="/nda/">NDA hub</a> · <a href="/nda/syllabus-pattern/">Syllabus & pattern</a> · <a href="/nda/2026/">NDA 2026</a>

## Answer first

Vector Algebra PYQs (previous year questions) for NDA: Vector Algebra (Mathematics) had **111 questions** across the 42 official NDA papers we tagged (2016–2026), and appeared in 21 of them. Asked in 11 of 11 years. The concepts asked in the most papers: Dot Product, Cross Product, Vector Products.

## Year-wise question count

<ChapterQuestions exam="nda" chapter="nda-vector-algebra" part="trend" />

## Most-asked concepts

Sorted by the number of papers a concept appeared in.

<ChapterQuestions exam="nda" chapter="nda-vector-algebra" part="concepts" />

## How to practise Vector Algebra PYQs

1. Start with the concepts at the top of the table. They have come back the most.
2. Solve one year's Vector Algebra questions from the official PDF against the clock, then check the answer listed below.
3. Log every miss as a concept gap, a calculation slip or a misread. Each needs a different fix.
4. Once a concept is clean in two papers, move to the next. Then sit a full paper from the year pages.

## Questions by year

Each line gives the question number and paper, type, concept, our one-line summary and the official answer, with a link to the official PDF.

<ChapterQuestions exam="nda" chapter="nda-vector-algebra" part="questions" />

## Other Mathematics topics

- [Algebra PYQs](/nda/topics/algebra/)
- [Matrices and Determinants PYQs](/nda/topics/nda-matrices-determinants/)
- [Trigonometry PYQs](/nda/topics/nda-trigonometry/)
- [Analytical Geometry (2D and 3D) PYQs](/nda/topics/analytical-geometry/)
- [Differential Calculus PYQs](/nda/topics/differential-calculus/)
- [Integral Calculus and Differential Equations PYQs](/nda/topics/integral-calculus-de/)
- [Statistics and Probability PYQs](/nda/topics/nda-statistics-probability/)

## FAQ

### How many Vector Algebra questions come in NDA?
In the official papers we tagged: 11 in 2026 (2 papers), 10 in 2025 (2 papers), 10 in 2024 (2 papers), 11 in 2023 (2 papers), 10 in 2022 (2 papers), 10 in 2021 (2 papers), 5 in 2020 (1 paper), 10 in 2019 (2 papers), 13 in 2018 (2 papers), 10 in 2017 (2 papers) and 11 in 2016 (2 papers). That is 111 questions in all, about 4% of Mathematics.

### Which Vector Algebra topics repeat in NDA?
Asked in the most papers: Dot Product, Cross Product, Vector Products. The concept table lists every one with its count.

### Are these official NDA questions?
Yes. Every question is from an official NDA paper hosted on our year pages. The one-line summaries are ours; open the PDF linked beside each question for the full text.