Maths Olympiad Prep

Library /Junior Balkan MO Shortlist

Junior Balkan MO Shortlist

29 problems here, rated 5.1 to 7 on our scale (AIME, harder to National Olympiad, round 2).

Algebra 10Combinatorics 6Geometry 4Number theory 9
#TopicDiffTypeYear
1 Geometry 5.1 answer — open
2 Number theory 5.4 answer — open
3 Algebra 5.4 answer — open
4 Algebra 5.5 answer — open
5 Algebra 5.5 answer — open
6 Number theory 5.5 answer — open
7 Geometry 5.5 answer — open
8 Number theory 5.6 answer — open
9 Geometry 5.6 answer — open
10 Number theory 5.6 answer — open
11 Algebra 5.7 answer — open
12 Algebra 5.7 answer — open
13 Geometry 5.7 answer — open
14 Number theory 5.7 answer — open
15 Number theory 5.8 answer — open
16 Combinatorics 5.8 answer — open
17 Algebra 5.9 answer — open
18 Algebra 6.0 answer — open
19 Algebra 6.0 answer — open
20 Combinatorics 6.1 answer — open
21 Algebra 6.1 answer — open
22 Algebra 6.1 answer — open
23 Combinatorics 6.4 answer — open
24 Combinatorics 6.4 answer — open
25 Number theory 6.4 answer — open
26 Number theory 6.5 answer — open
27 Combinatorics 6.6 answer — open
28 Number theory 6.9 answer — open
29 Combinatorics 7.0 answer — 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.