AMC logic problems
Logical deduction, counterexamples, cryptarithms and truth-teller puzzles. 57 problems across 5 concepts. 33 come from the AMC 10 and 24 from the AMC 12.
Picks a problem you have not seen, at about the difficulty you are handling.
Concepts in logic
Problems
Newest contests first. Every problem opens with its answer choices, hints and a worked solution.
- 2025 AMC 10A · Problem 8
- 2025 AMC 12A · Problem 4
- 2023 AMC 10B · Problem 18
- 2023 AMC 12B · Problem 15
- 2023 AMC 12B · Problem 18
- 2022 AMC 10A · Problem 12
- 2022 AMC 10B · Problem 11
- 2022 AMC 12A · Problem 9
- 2021 AMC 10A · Problem 7
- 2021 AMC 10B · Problem 17
- 2021 Fall AMC 10B · Problem 10
- 2021 AMC 12A · Problem 4
- 2020 AMC 10A · Problem 7
- 2020 AMC 12A · Problem 5
- 2020 AMC 12B · Problem 23
- 2019 AMC 10B · Problem 2
- 2019 AMC 12B · Problem 2
- 2018 AMC 10A · Problem 5
- 2018 AMC 12A · Problem 4
- 2017 AMC 10A · Problem 6
- 2017 AMC 10B · Problem 3
- 2017 AMC 12A · Problem 3
- 2017 AMC 12B · Problem 2
- 2016 AMC 10A · Problem 13
- 2016 AMC 10B · Problem 15
- 2016 AMC 12A · Problem 5
- 2016 AMC 12A · Problem 10
- 2016 AMC 12B · Problem 12
- 2015 AMC 10B · Problem 5
- 2015 AMC 10B · Problem 6
- 2015 AMC 12A · Problem 13
- 2015 AMC 12B · Problem 4
- 2014 AMC 10A · Problem 7
- 2014 AMC 10B · Problem 10
- 2014 AMC 12B · Problem 8
- 2013 AMC 10A · Problem 6
- 2013 AMC 10B · Problem 22
- 2011 AMC 10B · Problem 8
- 2011 AMC 12A · Problem 2
- 2010 AMC 10A · Problem 15
- 2010 AMC 10B · Problem 17
- 2010 AMC 12A · Problem 12
- 2007 AMC 10B · Problem 5
- 2004 AMC 10A · Problem 6
- 2004 AMC 12B · Problem 22
- 2003 AMC 10A · Problem 6
- 2003 AMC 10A · Problem 11
- 2003 AMC 10A · Problem 24
- 2003 AMC 12A · Problem 5
- 2003 AMC 12A · Problem 6
- 2003 AMC 12A · Problem 12
- 2001 AMC 10 · Problem 12
- 2001 AMC 10 · Problem 13
- 2001 AMC 10 · Problem 22
- 2001 AMC 12 · Problem 6
- 2000 AMC 10 · Problem 13
- 2000 AMC 10 · Problem 21