Maths Olympiad Prep

Library /Junior Balkan MO

Junior Balkan MO

34 problems here, rated 4.7 to 6.8 on our scale (AIME to National olympiad).

Algebra 10Combinatorics 4Geometry 10Number theory 10
#TopicDiffTypeYear
1 Number theory 4.7 answer — open
2 Algebra 4.9 answer — open
3 Number theory 5.0 answer — open
4 Algebra 5.0 answer — open
5 Algebra 5.0 answer — open
6 Number theory 5.0 answer — open
7 Geometry 5.2 answer — open
8 Geometry 5.2 answer — open
9 Number theory 5.2 answer — open
10 Algebra 5.3 answer — open
11 Geometry 5.3 answer — open
12 Algebra 5.4 answer — open
13 Algebra 5.4 answer — open
14 Algebra 5.4 answer — open
15 Number theory 5.5 answer — open
16 Geometry 5.5 answer — open
17 Geometry 5.5 answer — open
18 Number theory 5.5 answer — open
19 Geometry 5.5 answer — open
20 Number theory 5.5 answer — open
21 Geometry 5.6 answer — open
22 Number theory 5.6 answer — open
23 Algebra 5.7 answer — open
24 Number theory 5.7 answer — open
25 Geometry 5.7 answer — open
26 Geometry 5.7 answer — open
27 Number theory 5.7 answer — open
28 Geometry 5.7 answer — open
29 Algebra 5.7 answer — open
30 Algebra 5.9 answer — open
31 Combinatorics 6.2 answer — open
32 Combinatorics 6.3 answer — open
33 Combinatorics 6.7 answer — open
34 Combinatorics 6.8 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.