Hello,

The official answer keys for the International Mathematics Olympiad (IMO) 2024-25 conducted by the Science Olympiad Foundation (SOF) are typically released on their website, sofworld.org , after each set of exams. The tentative release dates for the answer keys are:

• Set A Answer Key : December 15, 2024
• Set B Answer Key : December 15, 2024
• Set C Answer Key : January 4, 2025

To download the answer keys:

1. Visit sofworld.org
2. Navigate to the IMO section and find the "Answer Key" link.
3. Select the appropriate set (A, B, or C) and class (1-12).
4. Download the PDF for your reference.

These answer keys help students verify their responses and estimate their scores using the marking scheme:

• Classes 1-4 :
  • Logical Reasoning, Mathematical Reasoning, Everyday Mathematics: 1 mark/question
  • Achievers Section: 2 marks/question
• Classes 5-12 :
  • Logical Reasoning, Mathematical Reasoning, Everyday Mathematics: 1 mark/question
  • Achievers Section: 3 marks/question

For the latest updates, visit : https://school.careers360.com/articles/imo-answer-key

Hope it helps!