2024 exam and solutions, annotated with the number of students answering each correctly.
2022 exam and solutions, annotated with the number of students answering each correctly.
2021 exam and solutions, annotated with the number of students answering each correctly.
2020 exam and solutions, annotated with number of top 82 students answering them correctly.
2019 exam and solutions, annotated with number of top 54 people answering them correctly.
2018 exam and annotated solutions
2017 exam and annotated solutions
2016 exam and solutions, annotated with the number of top 54 people answering them correctly.
2015 exam and solutions, annotated with number of top 49 people answering them correctly.
2014 exam and solutions, annotated with number of top 49 people answering them correctly.
2013 exam and solutions, annotated with number of top 72 people answering them correctly.
2012 exam and solutions, annotated with the number of people answering them correctly.
2011 exam and solutions, annotated with number of top 46 people answering them correctly.
2010 exam and solutions, annotated with number of top 54 people answering them correctly.
2009 exam and solutions, annotated with number of people answering them correctly.
2008 exam and solutions, annotated with number of people answering them correctly.
2004 exam and solutions.(Two problems talk about shaded regions which are not shaded on the screen. In number 32, there is a sort of cross-shaped figure which should be shaded, while on number 40, the small interior triangle should be shaded.)
2000 exam and solutions.