Maths Olympiad Prep

Library /IMO Hk TST

IMO Hk TST

24 problems here, rated 6.9 to 7.8 on our scale (National Olympiad to National Olympiad, round 2). 24 of them ask for a proof.

Algebra 4Combinatorics 5Geometry 10Number theory 5
#TopicDiffTypeYear
1 Geometry 6.9 proof — open
2 Geometry 7.0 proof — open
3 Algebra 7.0 proof — open
4 Number theory 7.0 proof 1997 open
5 Number theory 7.1 proof — open
6 Geometry 7.2 proof — open
7 Geometry 7.3 proof — open
8 Geometry 7.3 proof — open
9 Geometry 7.4 proof — open
10 Algebra 7.4 proof 1997 open
11 Number theory 7.5 proof — open
12 Number theory 7.5 proof — open
13 Number theory 7.5 proof — open
14 Geometry 7.6 proof — open
15 Algebra 7.6 proof — open
16 Algebra 7.6 proof — open
17 Combinatorics 7.7 proof — open
18 Combinatorics 7.7 proof — open
19 Combinatorics 7.7 proof — open
20 Geometry 7.7 proof — open
21 Geometry 7.7 proof — open
22 Combinatorics 7.7 proof — open
23 Geometry 7.7 proof — open
24 Combinatorics 7.8 proof — open
These are sorted by difficulty within the competition, but they aren't a course. The track is the route through, drawn from all the sources at once.