Free past-paper practice
IAT (IISER) previous year papers
Free, with your score.
The IISER Aptitude Test for the BS-MS programmes at the IISERs. Practise 6 past papers from 2020–2026, or build up one chapter at a time.
- Papers
- 6
- Questions
- 360
- Years
- 2020–2026
- Chapter sets
- 110
IAT (IISER) 2026
IAT (IISER) 2025
IAT (IISER) 2024
IAT (IISER) 2023
IAT (IISER) 2022
IAT (IISER) 2020
Past questions from the supplied ExamSIDE archive. Captures may contain only part of a paper. These are practice sets; official timing and marking rules do not apply.
Questions about IAT (IISER) practice
Are these IAT (IISER) papers free?
Yes. Every paper and chapter set here is free, and you can start without signing in or paying.
Do I need an account?
No. Your answers and results stay private to your browser for up to 30 days. You can clear them at any time.
Are these official IAT (IISER) papers?
They are practice sets built from past questions. Some papers are partial captures, and official timing and marking rules do not apply.
How is my score worked out?
Each question that matches its source answer scores one point, with no negative or partial marking. Answers are shown when you finish.