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CMI Entrance Previous Year Question Papers

Chennai Mathematical Institute Entrance Examination

Chennai Mathematical Institute125 papers · 2010–2026Verified 12 Oct 2026

Papers by year

All 125 papers

About CMI Entrance

Chennai Mathematical Institute (CMI) admits students to its B.S. (Honours) programmes in Mathematics, Mathematics and Computer Science and Mathematics and Physics, and to its M.Sc./Ph.D. programmes in Mathematics, Computer Science and Data Science, through a written entrance examination held at centres across India. The 2026-27 examination was held on 2 May 2026, and CMI has announced the 2027-28 examination for 15 May 2027. Students with exceptional National Science Olympiad results may be exempted from the B.S. examination, and the M.Sc. Mathematics test is followed by an interview in Chennai.

Eligibility (summary)

Per the CMI brochure 2026, the B.S. (Honours) programmes need the 12th standard (or equivalent) passed or due that year; the M.Sc. programmes need an undergraduate degree (B.A., B.Sc., B.Math., B.Stat., B.E., B.Tech. etc.) with a strong background in the subject. Read the latest notification for exact age limits, relaxations and qualifications.

Stages & subjects

  1. 1

    B.S. (Honours) Entrance (Mathematics, Mathematics and CS, Mathematics and Physics)

    Common written test for the three B.S. (Honours) programmes: Part A short answers used for screening, Part B problems with full solutions

  2. 2

    M.Sc./Ph.D. Mathematics Entrance

    Part A screening questions and Part B problems; followed by an interview in Chennai

  3. 3

    M.Sc./Ph.D. Computer Science Entrance

    Part A multiple-choice, Part B and Part C long-answer questions

  4. 4

    M.Sc. Data Science Entrance

    Part A multiple-choice used for screening and Part B short-explanation answers

  5. 5

    M.Sc./Ph.D. Physics Entrance

    Physics entrance test (papers on the CMI site cover 2011 to 2016)

MathematicsComputer SciencePhysicsData ScienceProbability and Statistics

Exam pattern

Summarised from the official notification. Patterns change; confirm in the latest notice.

B.S. (Honours) Entrance (Mathematics, Mathematics and CS, Mathematics and Physics)

SectionQsMarks
Part Ascreening; no negative marking1740
Part Bproblems with full reasoning; graded if at least 24 in Part A or top 400680
  • Marks are called points on the paper
  • Candidates are advised to spend at least 2 hours on Part B

CMI BSc entrance exam of 24 May 2025 (instructions printed on the official question paper; CMI publishes no separate pattern notice) · official source

M.Sc./Ph.D. Mathematics Entrance

SectionQsMarks
Part A (Questions 1 to 10)4 marks each; screening, cut-off not more than 201040
Part Banswer 6 questions, 10 marks each6—
  • Time: 3 hours
  • PhD Mathematics interview needs at least 15 marks from the starred questions

CMI M.Sc./Ph.D. Mathematics entrance examination of 2 May 2026 (instructions printed on the official question paper) · official source

M.Sc./Ph.D. Computer Science Entrance

SectionQsMarks
Part Amultiple choice, 3 marks each1030
Part Blong answer, 10 marks each330
Part Clong answer, 10 marks each; answer any 4840

CMI MSc/PhD Computer Science Entrance Examination Pattern and Syllabus · official source

Preparing with CMI Entrance papers

  • Start with the most recent paper (2026) to see the current style, then work backwards.
  • Practise each stage separately: B.S. (Honours) Entrance (Mathematics, Mathematics and CS, Mathematics and Physics), M.Sc./Ph.D. Mathematics Entrance, M.Sc./Ph.D. Computer Science Entrance, M.Sc. Data Science Entrance, M.Sc./Ph.D. Physics Entrance.
  • Official answer keys are available for some years. Check your answers against them, not against unofficial solutions.
  • Re-check the syllabus in the latest notification before relying on older papers.

FAQs

Where can I download CMI Entrance previous year papers?

PYQSathi lists 125 CMI Entrance papers from 2010 to 2026, each linked to its official source. Open the paper library above and pick a year.

Who conducts CMI Entrance?

CMI Entrance is conducted by the Chennai Mathematical Institute. Notifications, dates and results are published on its official website.

Is this information official?

No. PYQSathi is independent. We summarise official documents and link to them, last checked 12 Oct 2026. Always confirm on the official website before applying.

Official sources

Last verified 12 Oct 2026. Spotted something out of date? Tell us.

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