IMO Previous Year Question Papers 2025, 2024, 2023: Class 1 to 12 PDF
The International Mathematics Olympiad (IMO) is a school-level mathematics quiz conducted by the Science Olympiad Foundation (SOF) for students from Classes 1 to 12. The main motto of this exam is to judge students’ mathematical knowledge, logical reasoning, and problem-solving skills through questions that are arranged class-wise. It also gives students a chance to use the mathematical concepts they learn in school for Olympiad-type problems. Students who are preparing for the IMO can practise previous year question papers so they can get a feel for the exam format, become familiar with various question styles, and boost their speed and accuracy too.
This Story also Contains
- IMO Previous Year Question Papers: Overview
- IMO Previous Year Question Papers PDF Download (Class 1 to 12)
- IMO Previous Year Question Papers for Class 1
- IMO Previous Year Question Papers for Class 2
- IMO Previous Year Question Papers for Class 3
- IMO Previous Year Question Papers for Class 4
- IMO Previous Year Question Papers for Class 5
- IMO Previous Year Question Papers for Class 6
- IMO Previous Year Question Papers for Class 7
- IMO Previous Year Question Papers for Class 8
- IMO Previous Year Question Papers for Class 9
- IMO Previous Year Question Papers for Class 10
- IMO Previous Year Question Papers for Class 11
- IMO Previous Year Question Papers for Class 12
- IMO Exam Pattern
- Benefits of Solving IMO Previous Year Question Papers
- How to Prepare for IMO Using Previous Year Question Papers
Practising IMO previous year question papers helps students to figure out which topics matter most, review their overall preparation, and understand where they actually need extra attention or practice. Students may try the papers on their own first and then compare their answers using the right answer keys, wherever those keys are available. In this article, students can find IMO previous year question papers for Classes 1 to 12, class-wise PDF downloads, exam pattern and some preparation tips, so they can practise in a more effective way.
IMO Previous Year Question Papers: Overview
Particulars | Details |
Exam Name | SOF International Mathematics Olympiad (IMO) |
Conducting Body | Science Olympiad Foundation (SOF) |
Classes | 1 to 12 |
Question Paper Type | Class-wise Olympiad papers |
Question Format | Multiple-choice questions |
Exam Duration | 1 hour |
Main Sections | Logical Reasoning, Mathematical Reasoning, Everyday Mathematics and Achievers Section |
Preparation Resources | Previous year question papers, sample papers and answer keys |
Official Website | https://sofworld.org/imo |
IMO Previous Year Question Papers PDF Download (Class 1 to 12)
Students can download and practise IMO previous year question papers, according to their own classes. When they solve SOF IMO question papers, it really helps them get a feel for the question pattern, practise IMO syllabus-based questions and also speed up their problem-solving. Besides that, students should take a look at the IMO answer keys and solutions where they are available so they can cross-check their answers. This also helps them identify which topics need a little more focus later.
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IMO Previous Year Question Papers for Class 1
Students preparing for the SOF IMO Class 1 exam can practise previous year question papers to develop basic mathematical skills, number recognition and logical reasoning.
Question Paper | PDF Download |
IMO Class 1 Question Paper 2025 | Link to be added |
IMO Class 1 Question Paper 2024 | Link to be added |
IMO Class 1 Question Paper 2023 | Link to be added |
IMO Previous Year Question Papers for Class 2
IMO Class 2 previous year question papers help students practise arithmetic, number patterns and age-appropriate mathematical reasoning questions.
Question Paper | PDF Download |
IMO Class 2 Question Paper 2025 | Link to be added |
IMO Class 2 Question Paper 2024 | Link to be added |
IMO Class 2 Question Paper 2023 | Link to be added |
IMO Previous Year Question Papers for Class 3
Students can use IMO Class 3 previous year question papers to become familiar with the question format and practise mathematical concepts before the examination.
Question Paper | PDF Download |
IMO Class 3 Question Paper 2025 | Link to be added |
IMO Class 3 Question Paper 2024 | Link to be added |
IMO Class 3 Question Paper 2023 | Link to be added |
IMO Previous Year Question Papers for Class 4
Practising IMO Class 4 question papers helps students improve calculation accuracy, logical reasoning and their ability to solve mathematics problems within the exam duration.
Question Paper | PDF Download |
IMO Class 4 Question Paper 2025 | Link to be added |
IMO Class 4 Question Paper 2024 | Link to be added |
IMO Class 4 Question Paper 2023 | Link to be added |
IMO Previous Year Question Papers for Class 5
IMO Class 5 previous year question papers allow students to practise grade-level mathematics and understand the types of reasoning questions asked in the Olympiad.
Question Paper | PDF Download |
IMO Class 5 Question Paper 2025 | Link to be added |
IMO Class 5 Question Paper 2024 | Link to be added |
IMO Class 5 Question Paper 2023 | Link to be added |
IMO Previous Year Question Papers for Class 6
Students preparing for IMO Class 6 can practise previous year papers to revise mathematical concepts, improve problem-solving skills and prepare for higher-order questions.
Question Paper | PDF Download |
IMO Class 6 Question Paper 2025 | Link to be added |
IMO Class 6 Question Paper 2024 | Link to be added |
IMO Class 6 Question Paper 2023 | Link to be added |
IMO Previous Year Question Papers for Class 7
IMO Class 7 previous year question papers help students practise class-level mathematics, logical reasoning and application-based questions.
Question Paper | PDF Download |
IMO Class 7 Question Paper 2025 | Link to be added |
IMO Class 7 Question Paper 2024 | Link to be added |
IMO Class 7 Question Paper 2023 | Link to be added |
IMO Previous Year Question Papers for Class 8
Students can solve IMO Class 8 previous year question papers to understand the question pattern, revise important concepts and improve their speed and accuracy.
Question Paper | PDF Download |
IMO Class 8 Question Paper 2025 | Link to be added |
IMO Class 8 Question Paper 2024 | Link to be added |
IMO Class 8 Question Paper 2023 | Link to be added |
IMO Previous Year Question Papers for Class 9
IMO Class 9 previous year question papers help students practise higher-level mathematics and reasoning questions while identifying topics that require additional revision.
Question Paper | PDF Download |
IMO Class 9 Question Paper 2025 | Link to be added |
IMO Class 9 Question Paper 2024 | Link to be added |
IMO Class 9 Question Paper 2023 | Link to be added |
IMO Previous Year Question Papers for Class 10
Students preparing for IMO Class 10 can use previous year question papers to practise mathematical reasoning, strengthen their concepts and become familiar with Olympiad-style questions.
Question Paper | PDF Download |
IMO Class 10 Question Paper 2025 | Link to be added |
IMO Class 10 Question Paper 2024 | Link to be added |
IMO Class 10 Question Paper 2023 | Link to be added |
IMO Previous Year Question Papers for Class 11
IMO Class 11 previous year question papers help students practise advanced class-level mathematics and application-based questions relevant to their Olympiad preparation.
Question Paper | PDF Download |
IMO Class 11 Question Paper 2025 | Link to be added |
IMO Class 11 Question Paper 2024 | Link to be added |
IMO Class 11 Question Paper 2023 | Link to be added |
IMO Previous Year Question Papers for Class 12
Students preparing for IMO Class 12 can practise previous year question papers to revise relevant concepts, improve accuracy and prepare for the Level 1 examination.
Question Paper | PDF Download |
IMO Class 12 Question Paper 2025 | Link to be added |
IMO Class 12 Question Paper 2024 | Link to be added |
IMO Class 12 Question Paper 2023 | Link to be added |
IMO Exam Pattern
The SOF IMO examination has four sections: Logical Reasoning, Mathematical Reasoning, Everyday Mathematics, and the Achievers Section. The number of questions and marks depends on the class group.
IMO Exam Pattern for Classes 1 to 4
Section | Number of Questions | Marks per Question | Total Marks |
Logical Reasoning | 10 | 1 | 10 |
Mathematical Reasoning | 10 | 1 | 10 |
Everyday Mathematics | 10 | 1 | 10 |
Achievers Section | 5 | 2 | 10 |
Total | 35 | — | 40 |
IMO Exam Pattern for Classes 5 to 10
Section | Number of Questions | Marks per Question | Total Marks |
Logical Reasoning | 15 | 1 | 15 |
Mathematical Reasoning | 20 | 1 | 20 |
Everyday Mathematics | 10 | 1 | 10 |
Achievers Section | 5 | 3 | 15 |
Total | 50 | — | 60 |
IMO Exam Pattern for Classes 11 and 12
section | Number of Questions | Marks per Question | Total Marks |
Logical Reasoning | 15 | 1 | 15 |
Mathematical Reasoning / Applied Mathematics | 20 | 1 | 20 |
Everyday Mathematics | 10 | 1 | 10 |
Achievers Section | 5 | 3 | 15 |
Total | 50 | — | 60 |
Benefits of Solving IMO Previous Year Question Papers
Previous year question papers help students become familiar with the IMO question format and difficulty level.
Practising IMO PYQs of different years helps students apply mathematical concepts and logical reasoning more effectively.
By solving IMO Previous Year Question Papers, students can recognise topics they find difficult and focus on improving them.
Regular practice helps students solve questions efficiently and reduce calculation errors.
Attempting Previous Year Question Papers independently helps students evaluate their performance and track their progress.
How to Prepare for IMO Using Previous Year Question Papers
Check the IMO syllabus for your class, and then go back and revise the relevant math concepts before you start with the previous year papers. Sometimes people jump too early, and then it feels weird.
Next, Solve Question Papers, like practising IMO previous-year question papers along with IMO sample papers that match your class. This helps you get a sense of the various question types, not just the easy ones.
Attempt each paper under timed conditions, so you can build speed and also manage time without panic.
After you finish, Analyse Your Answers. Use the answer key if it’s available, compare your responses, and mark where you went wrong. Then understand the exact kind of mistake; don’t just move on.
Go over the concepts behind the incorrect answers, and practise similar questions again until the method really clicks, even if it takes a few rounds.
Questions related to IMO
On Question asked by student community
Hi Student
The SOF Foundation will declare the IMO result 2025-26 for level 2 in March 2026. You can click on the link below to get the direct link to access and download the SOF result for the IMO exam .
Dear Student,
Level 1 SOF admit card can be collected from their respective school authority. Online, it can be found on sofworld.org, once link is activated.
HELLO,
The SOF IMO Level 1 results for the 2025 2026 session are expected to be released in January 2026 , typically around second week of January. You can check the results directly on the official SOF website that is results.sofworld.org (//results.sofworld.org) .
Here you can visit the link to
Hello,
I have attached the link for IMO Exam results 2025 - 2026 in which you can get your Math Olympiad results, including section - by - section scores and qualifying IMO class. Kindly check the below link and find your results.
https://school.careers360.com/articles/imo-result
I hope this helps you.
Hello
You can download it from the official SOF website once it becomes available.
The IMO 2025–26 Set C official answer key hasn’t been released yet because SOF usually uploads it a few weeks after the exam
Here I am attaching a link, you can access the answersheet directly by