# Integral Calculus and DEs NDA PYQ Topic Wise (2016–2026)

> Integral Calculus and DEs NDA PYQs: all 232 questions from 42 official papers (2016–2026), by concept with official answers. Asked in 11 of 11 years.

Source: https://previousyearquestions.app/nda/topics/integral-calculus-de/

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

Integral Calculus and Differential Equations PYQs (previous year questions) for NDA: Integral Calculus and Differential Equations (Mathematics) had **232 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: Definite Integrals, Area Under Curves, Indefinite Integrals.

## Year-wise question count

<ChapterQuestions exam="nda" chapter="integral-calculus-de" part="trend" />

## Most-asked concepts

Sorted by the number of papers a concept appeared in.

<ChapterQuestions exam="nda" chapter="integral-calculus-de" part="concepts" />

## How to practise Integral Calculus and Differential Equations PYQs

1. Start with the concepts at the top of the table. They have come back the most.
2. Solve one year's Integral Calculus and Differential Equations 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="integral-calculus-de" 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/)
- [Vector Algebra PYQs](/nda/topics/nda-vector-algebra/)
- [Statistics and Probability PYQs](/nda/topics/nda-statistics-probability/)

## FAQ

### How many Integral Calculus and Differential Equations questions come in NDA?
In the official papers we tagged: 24 in 2026 (2 papers), 17 in 2025 (2 papers), 29 in 2024 (2 papers), 20 in 2023 (2 papers), 22 in 2022 (2 papers), 23 in 2021 (2 papers), 11 in 2020 (1 paper), 19 in 2019 (2 papers), 24 in 2018 (2 papers), 20 in 2017 (2 papers) and 23 in 2016 (2 papers). That is 232 questions in all, about 9% of Mathematics.

### Which Integral Calculus and Differential Equations topics repeat in NDA?
Asked in the most papers: Definite Integrals, Area Under Curves, Indefinite Integrals. 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.