Maths Olympiad Prep

Library /Junior Balkan Mathematical Olympiad

Junior Balkan Mathematical Olympiad

60 problems here, rated 4.3 to 8 on our scale (AIME to Shortlist). 60 of them ask for a proof.

Algebra 17Combinatorics 11Geometry 17Number theory 15
#TopicDiffTypeYear
1 Geometry 4.3 proof open
2 Geometry 4.4 proof open
3 Algebra 4.5 proof open
4 Geometry 4.6 proof open
5 Geometry 4.7 proof open
6 Number theory 4.7 proof open
7 Algebra 4.8 proof open
8 Number theory 4.8 proof open
9 Geometry 4.8 proof open
10 Algebra 4.9 proof open
11 Number theory 4.9 proof open
12 Combinatorics 4.9 proof open
13 Geometry 4.9 proof open
14 Algebra 4.9 proof open
15 Algebra 4.9 proof open
16 Algebra 5.0 proof open
17 Algebra 5.0 proof open
18 Number theory 5.0 proof open
19 Combinatorics 5.0 proof open
20 Number theory 5.1 proof open
21 Geometry 5.1 proof open
22 Combinatorics 5.1 proof open
23 Number theory 5.2 proof open
24 Algebra 5.2 proof open
25 Number theory 5.3 proof open
26 Algebra 5.3 proof open
27 Algebra 5.4 proof open
28 Number theory 5.4 proof open
29 Number theory 5.4 proof open
30 Combinatorics 5.5 proof open
31 Geometry 5.5 proof open
32 Number theory 5.5 proof open
33 Number theory 5.5 proof open
34 Number theory 5.5 proof open
35 Geometry 5.6 proof open
36 Algebra 5.6 proof open
37 Algebra 5.6 proof open
38 Algebra 5.6 proof open
39 Combinatorics 5.6 proof open
40 Algebra 5.6 proof open
41 Geometry 5.6 proof open
42 Combinatorics 5.7 proof open
43 Algebra 5.8 proof open
44 Number theory 5.8 proof open
45 Number theory 5.8 proof open
46 Geometry 5.9 proof open
47 Geometry 6.1 proof open
48 Number theory 6.1 proof open
49 Geometry 6.2 proof open
50 Geometry 6.3 proof open
51 Algebra 6.4 proof open
52 Geometry 6.5 proof open
53 Combinatorics 6.5 proof open
54 Geometry 6.6 proof open
55 Combinatorics 6.7 proof open
56 Combinatorics 6.9 proof open
57 Algebra 7.0 proof open
58 Combinatorics 7.0 proof open
59 Geometry 7.1 proof open
60 Combinatorics 8.0 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.