INMO is not a routine exam. It is a test of thinking. Deep thinking.
INMO stands for the Indian National Mathematical Olympiad, which marks the third stage of the IMO selection process. Only the best problem-solvers make it here.
In this blog, you’ll learn about INMO previous year question papers and answer keys. Use them to practice and analyze mistakes as these will be your partner in training your brain for Olympiad-level problems.
INMO Question Paper Solution
The Homi Bhabha Centre for Science Education (HBCSE) conducted the Indian National Mathematical Olympiad (INMO) on January 19, 2025. The INMO 2025 question paper is available for students’ reference.
Wondering where you can find it? Here we have simplified your search.
HBCSE Website
HBCSE, being the organiser of the exam, adds the question papers to their official website. To access, simply:
- Visit the official HBCSE Olympiads website.
- Go to the Mathematics Olympiad section.
- Click on Past Papers.
This is the most reliable source of INMO question papers. All INMO question papers and solutions are authentic and are available in PDF format.
Aakash Institute
Aakash offers curated INMO resources. These are organized year-wise and aligned with exam prep.
We bring you the INMO 2025 question paper as well as the INMO Answer Key 2025 & Solutions PDF. The papers come with faculty-verified solutions. The explanations focus on approach, not shortcuts and are thus ideal for students preparing seriously for INMO 2026.
What is the INMO Answer Key?
The INMO Answer Key is an official paper that lists the right answers to all the questions on the INMO Olympiad. We put this out to help students:
- Look at their answers side by side.
- Make a guess about their scores.
- Know how hard the test is.
You can also find the answer key on the official HBCSE website in PDF format.
Benefits of Solving INMO Previous Year Question & Answer Key
There are a few benefits of solving PYQs, they are:
- It helps the students figure out how well they are currently prepared.
- They get a chance to look over the exam format and how the marks are given.
- They will know what the most important topic to focus on is from an exam point of view.
- Students can guess what questions will be on the papers, which will help them get ready.
- Students will feel more sure of themselves when they take the INMO Exam.
Conclusion
INMO is not an exam for which you would prepare overnight. It demands a strategic approach. A structured plan rewards with clarity, logic and consistency. Previous year question papers are your best guide. But why?
- They reveal the level of difficulty.
- The depth of concepts.
- And the kind of thinking the exam demands.
If you are aiming for INMO 2026, start early. At Aakash, we guide you through the prep with Olympiad-level training. Our integrated programs offer topic-wise worksheets, solutions, notes and all that it takes to nail the exam. Explore the options now and get ready for a direction that Olympiad success demands!
Frequently Asked Questions
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Between ‘Sample Papers’ and ‘Previous Years Question Papers’, which is better for INMO exam preparation?
Both sample papers and question papers from previous years are useful for getting ready for the INMO test. Students who want to do well on the INMO Exams can practice with both sample papers and question papers from the previous year at the same time. Previous year’s question papers give you an idea of how hard the questions on the test might be, while sample papers give you a summary of the most recent test trend and question paper type. So, it’s a good idea to do both to improve your chances of passing the test.
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What are the steps to check the INMO result online?
Here are the steps to check the INMO result online:
- Go to the official website of the Homi Bhabha Centre for Science Education.
- On the home page, look for the link that says “INMO Result.”
- People who apply will be sent to a different page. Find the link for the INMO Result.
- To see the list of Merit Awardees, click on the link.
- Look through the list of merit awardees to find your INMO Exam roll number.
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What will be the duration of the INMO 2025-26 Exam?
The INMO Exam 2025-26 will last for three hours, or 180 minutes. You need to answer 30 questions in that time. You will have to mark the answer to each question on the OMR sheet with either a single-digit or a double-digit number. Be careful when you fill out the OMR sheet because you won’t get a new one if you mark the wrong circle.
