Maths Olympiad Prep

Library /Bulgarian Mathematical Competitions

Bulgarian Mathematical Competitions

92 problems here, rated 4.7 to 7.3 on our scale (AIME to National Olympiad, round 2). 92 of them ask for a proof.

Algebra 29Combinatorics 18Geometry 34Number theory 11
#TopicDiffTypeYear
1 Geometry 4.7 proof — open
2 Number theory 4.7 proof — open
3 Algebra 4.7 proof — open
4 Geometry 4.8 proof — open
5 Algebra 4.8 proof — open
6 Algebra 4.9 proof — open
7 Number theory 4.9 proof — open
8 Algebra 5.0 proof — open
9 Number theory 5.0 proof — open
10 Geometry 5.0 proof — open
11 Combinatorics 5.1 proof — open
12 Geometry 5.2 proof — open
13 Algebra 5.2 proof — open
14 Geometry 5.2 proof — open
15 Number theory 5.2 proof — open
16 Combinatorics 5.2 proof — open
17 Geometry 5.3 proof — open
18 Geometry 5.3 proof — open
19 Algebra 5.3 proof — open
20 Geometry 5.4 proof — open
21 Algebra 5.4 proof — open
22 Geometry 5.4 proof — open
23 Geometry 5.4 proof — open
24 Geometry 5.5 proof — open
25 Geometry 5.5 proof — open
26 Geometry 5.5 proof — open
27 Algebra 5.5 proof — open
28 Algebra 5.5 proof — open
29 Algebra 5.5 proof — open
30 Geometry 5.6 proof — open
31 Algebra 5.6 proof — open
32 Number theory 5.6 proof — open
33 Combinatorics 5.6 proof — open
34 Algebra 5.6 proof — open
35 Algebra 5.6 proof — open
36 Geometry 5.6 proof — open
37 Geometry 5.7 proof — open
38 Combinatorics 5.7 proof — open
39 Combinatorics 5.7 proof — open
40 Geometry 5.7 proof — open
41 Geometry 5.7 proof — open
42 Geometry 5.7 proof — open
43 Combinatorics 5.7 proof — open
44 Algebra 5.7 proof — open
45 Algebra 5.8 proof — open
46 Geometry 5.8 proof — open
47 Number theory 5.8 proof — open
48 Geometry 5.8 proof — open
49 Combinatorics 5.8 proof — open
50 Geometry 5.8 proof — open
51 Geometry 5.9 proof — open
52 Algebra 5.9 proof — open
53 Number theory 5.9 proof — open
54 Geometry 5.9 proof — open
55 Geometry 5.9 proof — open
56 Algebra 6.0 proof — open
57 Algebra 6.0 proof — open
58 Geometry 6.1 proof — open
59 Algebra 6.2 proof — open
60 Combinatorics 6.2 proof — open
61 Combinatorics 6.2 proof — open
62 Number theory 6.2 proof — open
63 Algebra 6.3 proof — open
64 Geometry 6.4 proof — open
65 Algebra 6.5 proof — open
66 Number theory 6.5 proof — open
67 Algebra 6.5 proof — open
68 Geometry 6.5 proof — open
69 Combinatorics 6.5 proof — open
70 Algebra 6.5 proof — open
71 Number theory 6.5 proof — open
72 Geometry 6.5 proof — open
73 Number theory 6.6 proof — open
74 Algebra 6.6 proof — open
75 Geometry 6.7 proof — open
76 Combinatorics 6.7 proof — open
77 Algebra 6.7 proof — open
78 Algebra 6.8 proof — open
79 Geometry 6.8 proof — open
80 Combinatorics 6.9 proof — open
81 Combinatorics 6.9 proof — open
82 Algebra 6.9 proof — open
83 Combinatorics 6.9 proof — open
84 Geometry 7.0 proof — open
85 Geometry 7.0 proof — open
86 Combinatorics 7.0 proof — open
87 Combinatorics 7.1 proof — open
88 Geometry 7.1 proof — open
89 Algebra 7.2 proof — open
90 Combinatorics 7.2 proof — open
91 Combinatorics 7.2 proof — open
92 Algebra 7.3 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.