12 Jul International Mathematical Olympiad 2015 Questions
The International Mathematical Olympiad (IMO) is organised every year in a different country for talented school students from all over the world. The 2015 edition of this prestigious contest was held in Thailand with problems spread over two days (10 and 11 July). The contest consists of 6 problems (3 each day) and in recent years many past IMO contestants have gone on to become world-class mathematicians. The questions of this year’s IMO are available for download below.