Stats 1 papers, exam by exam
Worked out from 76 Stats 1 papers of the IIT Madras BS degree, 2021–2026 — Qualifier, Quiz 1, Quiz 2 and End Term — and their 1,144 questions: how long each exam is, how many marks it carries, which kinds of question it asks and how often a wrong answer costs marks. Every paper is on Stats 1 PYQs, with its answer key and as a timed mock test.
| Feature | Stats 1 papers at a glance |
|---|---|
| Papers | 76 |
| Questions | 1,144 |
| Exams | 4 |
| Years | 2021–2026 |
| Negative marking | None in these papers |
A typical Stats 1 paper, by exam
| Exam | Papers | Questions | Marks | Time | Question types |
|---|---|---|---|---|---|
| Stats 1 Qualifier | 8 | 15 | 40 | 120 min | 42% MSQ, 39% numerical, 19% MCQ |
| Stats 1 Quiz 1 | 27 | 15 | 40 | 120 min | 41% numerical, 33% MSQ, 26% MCQ |
| Stats 1 Quiz 2 | 17 | 15 | 40 | 120 min | 44% numerical, 37% MCQ, 19% MSQ |
| Stats 1 End Term | 24 | 15 | 40 | 180 min | 51% numerical, 36% MCQ, 13% MSQ |
The middle value of each exam’s papers; a sitting can differ by a question or two.
Question types in Stats 1
| Question type | Questions | Share |
|---|---|---|
| Single choice (MCQ) | 355 | 31% |
| Multiple choice (MSQ) | 276 | 24% |
| Numerical answer | 513 | 45% |
Most Stats 1 questions carry 2, 3 or 4 marks. None carries negative marks in its paper.
What each Stats 1 exam covers
| Exam | What it covers |
|---|---|
| Qualifier | The Qualifier exam is the entrance to the IIT Madras BS degree: it covers the first four weeks of the four qualifier courses. |
| Quiz 1 | Quiz 1 is held at the end of week 4 of the term and covers the content of weeks 1–4. |
| Quiz 2 | Quiz 2 is held at the end of week 8 and covers the content of weeks 1–8, with the weight on weeks 5–8. |
| End Term | The End Term exam covers the whole course, all twelve weeks, in 1.5 hours per course. |
How to practise Stats 1
- Start with the newest papers of the exam you are sitting: every Stats 1 paper, by exam and year.
- Open a paper in learning mode to see each answer and its explanation as you go.
- A few days before the exam, take one as a timed mock test: it is marked the moment you submit, with the paper’s own marks and negative marks.
- Check your answers against the answer keys, then review the questions you got wrong.
Latest Stats 1 papers
| Paper | Exam | Term | Questions | Marks | Time | Practise |
|---|---|---|---|---|---|---|
| Stats 1 End Term 13 Sept 2026 | End Term | May 2026 term | 15 | 37 | 180 min | Mock test — Stats 1 End Term 13 Sept 2026 |
| Stats 1 Quiz 2 16 Aug 2026 | Quiz 2 | May 2026 term | 13 | 40 | 120 min | Mock test — Stats 1 Quiz 2 16 Aug 2026 |
| Stats 1 Quiz 1 19 Jul 2026 | Quiz 1 | May 2026 term | 15 | 40 | 120 min | Mock test — Stats 1 Quiz 1 19 Jul 2026 |
| Stats 1 End Term 10 May 2026 | End Term | January 2026 term | 15 | 41 | 180 min | Mock test — Stats 1 End Term 10 May 2026 |
| Stats 1 Quiz 2 12 Apr 2026 | Quiz 2 | January 2026 term | 14 | 40 | 120 min | Mock test — Stats 1 Quiz 2 12 Apr 2026 |
| Stats 1 Quiz 1 15 Mar 2026 | Quiz 1 | January 2026 term | 16 | 40 | 120 min | Mock test — Stats 1 Quiz 1 15 Mar 2026 |
| Stats 1 End Term 21 Dec 2025 | End Term | September 2025 term | 14 | 40 | 180 min | Mock test — Stats 1 End Term 21 Dec 2025 |
| Stats 1 Quiz 2 23 Nov 2025 | Quiz 2 | September 2025 term | 15 | 40 | 120 min | Mock test — Stats 1 Quiz 2 23 Nov 2025 |
Frequently asked questions
How many questions are in the IITM BS Stats 1 Qualifier?
A typical Stats 1 Qualifier has 15 questions for 40 marks in 120 minutes, going by its 8 papers here. See every Stats 1 Qualifier paper.
How many questions are in the IITM BS Stats 1 Quiz 1?
A typical Stats 1 Quiz 1 has 15 questions for 40 marks in 120 minutes, going by its 27 papers here. See every Stats 1 Quiz 1 paper.
How many questions are in the IITM BS Stats 1 Quiz 2?
A typical Stats 1 Quiz 2 has 15 questions for 40 marks in 120 minutes, going by its 17 papers here. See every Stats 1 Quiz 2 paper.
How many questions are in the IITM BS Stats 1 End Term?
A typical Stats 1 End Term has 15 questions for 40 marks in 180 minutes, going by its 24 papers here. See every Stats 1 End Term paper.
Is there negative marking in IITM BS Stats 1?
None of the 1,144 Stats 1 questions here carries negative marks in its paper, so an unanswered question and a wrong one both score zero.
What types of questions come in IITM BS Stats 1?
Across every Stats 1 paper here: 45% numerical, 31% MCQ, 24% MSQ. Most questions carry 2, 3 or 4 marks.