IIT JAM Mathematical Statistics (MS) question papers with official answer keys. Free, no sign up, direct download.
Download JAM MS Question Papers and Answer Keys
| Year | Question Paper | Answer Key |
|---|---|---|
| 2026 | Download PDF | Answer Key |
| 2025 | Download PDF | Answer Key |
| 2024 | Download PDF | Answer Key |
| 2023 | Download PDF | Answer Key |
| 2022 | Download PDF | Answer Key |
| 2021 | Download PDF | Answer Key |
| 2020 | Download PDF | Answer Key |
| 2019 | Download PDF | Answer Key |
| 2018 | Download PDF | Answer Key |
| 2017 | Download PDF | Answer Key |
| 2016 | Download PDF | Answer Key |
Want every paper in one file?
All available JAM MS papers with answer keys, in a single PDF.
Three Things Before You Start Solving
- Solve topic wise first, full papers later. Pull every probability question across all years and solve them together. Then distributions. Then estimation. Full length attempts come after the syllabus is done.
- Section 12 has no history. Stochastic Processes is part of the JAM MS 2027 syllabus. Older papers will have little or nothing on Markov chains and the Poisson process, so you cannot rely on previous year questions for that section. Use a textbook and topic tests instead.
- Check each question against the current syllabus. Older papers may contain questions on topics no longer listed. Anything on multiple regression, Wilcoxon signed rank or Kruskal Wallis can be skipped. See what is not in the 2027 syllabus.
Also Useful
If you are considering the two paper option, JAM Mathematics is in the forenoon session and can be combined with MS. The Mathematics sections of the MS paper overlap with parts of the MA syllabus, so MA papers give you extra practice on sequences, series, calculus and matrices.
Download IIT JAM Mathematics papers
Solving on Paper Is Not the Same as Solving on Screen
JAM is a computer based test with a virtual calculator, a disabled keyboard for numerical entry and a running clock. Practise on an interface that matches the real one.
Frequently Asked Questions
Are JAM MS previous year papers still relevant for 2027?
Mostly yes. The core sections on probability, distributions, estimation and testing are stable. Section 12 on Stochastic Processes is not well represented in older papers, and a few older questions cover topics no longer in the syllabus.
Is there negative marking in JAM MS papers?
Yes, in Section A only. An incorrect 1 mark MCQ costs one third of a mark and an incorrect 2 mark MCQ costs two thirds. Sections B and C carry no negative marking.
Where can I get official JAM answer keys?
Official answer keys are published by the organising institute of each year on the respective JAM website. The keys linked on this page are the official versions.
How many questions are in a JAM MS paper?
60 questions carrying 100 marks, across three sections, in three hours.