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IMO Answer Key 2026-27 for Class 1 to 12: Download SOF Math Olympiad Solutions
The SOF Foundation will release the IMO Level 1 answer keys 2026-27 for Sets A, B, and C in December 2026 and January 2027. Candidates will be able to visit the official website to check and download the IMO Set A, B, and C answer keys. The foundation will conduct the IMO level 1 exam for Set A on October 23, 2026, Set B on November 26, 2026, and Set C on December 10, 2026. The SOF IMO exam for level 2 will be held in February 2026.
This Story also Contains
- IMO Answer Key 2026-27 for SET A, B, C: Important Dates
- How to Download IMO Answer Key 2026-27?
- SOF IMO Answer Key IMO 2026-27 (Set A, B, and C)
- How to Calculate Marks Using IMO 2026-27 Answer Key 2026-27?
- Download Links for the Unofficial IMO Answer Key 2026-27
- SOF IMO Answer Key 2026-27 by Coaching Institutes
- Level 1 Marking Scheme IMO 2026-27
The IMO 2026-27 answer key PDF for Classes 1 to 12 will be available online on the official website, sofworld.org. IMO 2026-27 question paper answer key will be released separately for each class in PDF format. It will contain correct answers to all the questions asked in the SOF Olympiad exam. Students can calculate their probable scores using the IMO Level 1 answer key 2026-27. Classes 3 to 12 students who pass level 1 are eligible for IMO level 2. Read the article to download the IMO 2026-27 answer key PDF for Classes 1 through 12.
IMO Answer Key 2026-27 for SET A, B, C: Important Dates
Students are recommended to check the table below to learn more about the important dates for the IMO answer keys 2026-27 for Sets A, B, and C.
| Events | Dates |
|---|---|
| IMO set A exam | October 23, 2026 |
| IMO set A answer key | December 2026 |
| IMO set B exam | November 26, 2026 |
| IMO set B answer key | December 2026 |
| IMO set C exam | December 10, 2026 |
| IMO set C answer key | January 2027 |
| IMO Cutoff release date | January 2027 |
| IMO Level 1 result | January 2027 |
| IMO Level 2 exam (Domestic) | February 2027 |
| IMO Level 2 exam (International) | February 2027 |
| IMO level 2 answer key | February 2027 |
| IMO Level 2 result | March 2027 |
How to Download IMO Answer Key 2026-27?
Students are advised to get the SOF answer key 2026-27 IMO by following the steps outlined below.
- Go to the official website at sofworld.org.
- Click on the "Answer key and Cutoff 2026-27" link.
- Then click on the IMO answer key 2026-27 link for sets A, B, and C.
- On the following page, select a class from 1 to 12 to download the SOF IMO answer key 2026-27 for that class.
- It will lead to a pdf file of the SOF IMO 2026-27 answer key. Now, calculate the scores with the ones you marked in the answer sheet.
- There is no negative marking in this exam.
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SOF IMO Answer Key IMO 2026-27 (Set A, B, and C)
The SOF IMO answer key will be available a few weeks after the exam is conducted. Until then, check the following table to access the previous year's answer link here.
SOF IMO Answer Key 2025-26 (Set A, B, and C)
| Answer Key Name | IMO Set A | IMO Set B | IMO Set C |
|---|---|---|---|
| IMO Class 1 answer key | Click here | Click here | Click here |
| IMO Class 2 answer key | Click here | Click here | Click here |
| IMO Class 3 answer key | Click here | Click here | Click here |
| IMO Class 4 answer key | Click here | Click here | Click here |
| IMO Class 5 answer key | Click here | Click here | Click here |
| IMO Class 6 answer key | Click here | Click here | Click here |
| IMO Class 7 answer key | Click here | Click here | Click here |
| IMO Class 8 answer key | Click here | Click here | Click here |
| IMO Class 9 answer key | Click here | Click here | Click here |
| IMO Class 10 answer key | Click here | Click here | Click here |
| IMO Class 11 answer key | Click here | Click here | Click here |
| IMO Class 12 answer key | Click here | Click here | Click here |
SOF IMO Answer Key 2024-25 (Set A, B, and C)
Answer Key Name | IMO Set A Answer Key | IMO Set B Answer Key | IMO Set C Answer Key |
|---|---|---|---|
IMO Class 1 answer key | Click here | ||
IMO Class 2 answer key | Click here | ||
IMO Class 3 answer key | Click here | ||
IMO Class 4 answer key | Click here | ||
IMO Class 5 answer key | Click here | ||
IMO Class 6 answer key | Click here | ||
IMO Class 7 answer key | Click here | ||
IMO Class 8 answer key | Click here | ||
IMO Class 9 answer key | Click here | ||
IMO Class 10 answer key | Click here | ||
IMO Class 11 answer key | Click here | ||
IMO Class 12 answer key | Click here |
SOF IMO Answer Key 2023-24 (Set A, B, and C)
Answer Key Name | IMO Set A Answer Key | IMO Set B Answer Key | IMO Set C Answer Key |
|---|---|---|---|
IMO Class 1 answer key | Click here | ||
IMO Class 2 answer key | Click here | ||
IMO Class 3 answer key | Click here | ||
IMO Class 4 answer key | Click here | ||
IMO Class 5 answer key | Click here | ||
IMO Class 6 answer key | Click here | ||
IMO Class 7 answer key | Click here | ||
IMO Class 8 answer key | Click here | ||
IMO Class 9 answer key | Click here | ||
IMO Class 10 answer key | Click here | ||
IMO Class 11 answer key | Click here | ||
IMO Class 12 answer key |
How to Calculate Marks Using IMO 2026-27 Answer Key 2026-27?
Carefully compare your marked answers on the OMR sheet with the correct answers provided in the answer key. Check the table below to learn how to calculate estimated scores using the IMO answer key 2026-27.
Class | How to calculate? |
|---|---|
Class 1-4 | (Number of the correct answer in the first three sections x 1) + (Number of correct answers in the Achievers section x 2) |
Class 5-12 | (Number of the correct answer in the first three sections x 1) + (Number of correct answers in the Achievers section x 3) |
Download Links for the Unofficial IMO Answer Key 2026-27
Some renowned coaching institutes will release an unofficial IMO 2026-27 question paper answer key for Class 5 to 10 students. Students can use it to predict their expected exam results and determine their chances of selection. To prepare for the level 2 exam, students should complete the IMO Sample papers. This will assist them in preparing in a certain manner, increasing their chances of selection.
SOF IMO Answer Key 2026-27 by Coaching Institutes
Answer Key | Download Link |
|---|---|
IMO Answer Key for Class 5 | Available soon |
IMO Answer Key for Class 6 | Available soon |
IMO Answer Key for Class 7 | Available soon |
IMO Answer Key for Class 8 | Available soon |
IMO Answer Key for Class 9 | Available soon |
IMO Answer Key for Class 10 | Available soon |
Note - Links will be provided soon.
Level 1 Marking Scheme IMO 2026-27
The stage 2 exam pattern and IMO syllabus are the same as the stage 1 exam format. It must be noted that only Classes 3 to 12 are eligible to take this exam. To pass the exam and get a high IMO score, look over the level 1 and level 2 exam patterns in the table below.
- SOF conducts the International Mathematics Olympiads at two levels.
- Students who pass the first-level exam are then called up for the second-level exam.
- Only the first level is organised for students in Class 1st and 2nd.
- The level one exam for classes 1–4 consists of 35 multiple-choice questions.
- On the other hand, 50 objective-type questions are asked in the case of classes 5th to 12th. The duration of the exam is 60 minutes.
- The medium of both papers is English.
SOF IMO Class 1 to 4 Exam Pattern
| Sections | Number of questions | Marks awarded for each 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 |
SOF IMO Class 5 to 12 Exam Pattern
| Sections | Number of questions | Marks awarded for each 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 Cut Off 2026-27
Students are recommended to compare their marks to the cutoff marks after calculating their scores using the IMO answer key 2026-27 to determine if they will be able to qualify for level 2 or not. This will assist students in determining the level of difficulty of the exam.
| CLASS | TOTAL MARKS | ACHIEVERS SECTION [M4] | MATHEMATICAL REASONING [M2] | EVERYDAY MATHEMATICS [M3] | LOGICAL REASONING [M1] |
|---|---|---|---|---|---|
| 3 | 32 | 8 | 9 | 9 | 6 |
| 4 | 30 | 9 | 6 | 7 | 8 |
| 5 | 42 | 9 | 13 | 8 | 12 |
| 6 | 41 | 6 | 14 | 9 | 12 |
| 7 | 38 | 5 | 11 | 10 | 12 |
| 8 | 42 | 10 | 16 | 4 | 12 |
| 9 | 46 | 6 | 16 | 9 | 15 |
| 10 | 46 | 6 | 15 | 13 | 12 |
| CLASS | TOTAL MARKS | ACHIEVERS SECTION [M4] | MATHEMATICAL REASONING OR APPLIED MATHEMATICS [M2] | EVERYDAY MATHEMATICS [M3] | LOGICAL REASONING |
| 11 | 39 | 5 | 16 | 12 | 6 |
| 12 | 39 | 8 | 17 | 8 | 6 |
Frequently Asked Questions (FAQs)
Q: When will be the IMO answer key released for set A, B and C?
A:
The foundation will release the IMO Set A, Set B, and Set C answer keys 2026-27 in December 2026 and January 2027.
Q: Can I apply for an objection in the IMO 2026-27 answer key?
A:
No, you can not file for objection against the IMO answer key 2026-27
Q: How many marks are deducted for each wrong answer in IMO 2026-27?
A:
No marks are deducted in case of any wrong answer as there is no negative marking in the IMO exam 2026-27.
Q: Will the IMO 2026-27 answer key be the same for all Classes?
A:
No, IMO answer key 2026-27 will be released as separate PDF files for each class.
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Questions related to IMO
On Question asked by student community
Have a question related to IMO ?
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
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