
Updated on: 20 January 2026
The Homi Bhabha Centre for Science Education (HBCSE), the conducting authority of the Indian National Mathematical Olympiad (INMO), has released the INMO 2026 Paper Solutions Answer Key PDF containing detailed solutions to the questions asked in the examination.
Candidates can refer to the answer key to understand the correct approach, logical reasoning, and structured proof-writing expected in INMO-level problems.
Download INMO 2026 Answer Key PDF
The INMO 2026 paper solutions provide complete, step-by-step explanations for all six questions asked in the examination.
Each solution follows official evaluation standards and demonstrates the correct methodology for attempting Olympiad-level, proof-based problems.
✔ Proof-based explanations ✔ Logical reasoning ✔ Step-by-step solutions
As per the official notification released by the Homi Bhabha Centre for Science Education (HBCSE), TIFR, students may review the provisional solutions and submit comments, if any, regarding the problems or proposed solutions.
Official Website: https://olympiads.hbcse.tifr.res.in
Feedback Email ID: inmo2026feedback@gmail.com
Deadline for Sending Comments: 23:59 IST, 23 January 2026
Comments received after the specified deadline will not be entertained, and no reply will be sent to the emails received.
| Full Name | Indian National Mathematical Olympiad (INMO) |
| Organizing Body | Homi Bhabha Centre for Science Education (HBCSE) |
| Mode of Exam | Offline (Pen and Paper) |
| Number of Questions | 6 (Subjective / Proof-Based) |
| Duration | 4.5 Hours |
| Core Topics | Algebra, Geometry, Number Theory, Combinatorics |
The solutions are released based on official evaluation standards and accepted Olympiad-level approaches.
Yes, the answer key provides complete, step-by-step solutions for all six questions asked in the INMO 2026 examination.
Candidates can compare their solutions with the answer key to identify strengths, logical gaps, and areas for improvement.
Yes, reviewing past INMO solutions helps future aspirants understand the expected level of reasoning and proof-writing required.