AMC inclusion-exclusion problems
24 past AMC problems use inclusion-exclusion. 12 come from the AMC 10 and 12 from the AMC 12.
Picks a problem you have not seen, at about the difficulty you are handling.
Problems
Newest contests first. Every problem opens with its answer choices, hints and a worked solution.
- 2022 AMC 12B · Problem 12
- 2021 AMC 10B · Problem 22
- 2020 AMC 12B · Problem 11
- 2019 AMC 10A · Problem 11
- 2017 AMC 10B · Problem 13
- 2017 AMC 12A · Problem 14
- 2017 AMC 12B · Problem 11
- 2016 AMC 12A · Problem 11
- 2013 AMC 10A · Problem 17
- 2012 AMC 12B · Problem 12
- 2011 AMC 10A · Problem 25
- 2011 AMC 12A · Problem 16
- 2010 AMC 10A · Problem 17
- 2010 AMC 10B · Problem 22
- 2010 AMC 12A · Problem 9
- 2006 AMC 12B · Problem 25
- 2005 AMC 10B · Problem 13
- 2005 AMC 12A · Problem 18
- 2004 AMC 10B · Problem 2
- 2004 AMC 10B · Problem 9
- 2004 AMC 10B · Problem 21
- 2004 AMC 12B · Problem 4
- 2001 AMC 10 · Problem 25
- 2001 AMC 12 · Problem 12
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