AMC ratio and proportion problems

107 past AMC problems use ratio and proportion. 60 come from the AMC 10 and 47 from the AMC 12.

Picks a problem you have not seen, at about the difficulty you are handling.

60 most recent problems

Newest contests first. Every problem opens with its answer choices, hints and a worked solution.

2025 AMC 12B · Problem 15
2023 AMC 10A · Problem 16
2022 AMC 10A · Problem 2
2021 AMC 10A · Problem 2
2021 AMC 10B · Problem 6
2021 Fall AMC 10A · Problem 6
2021 Fall AMC 10A · Problem 11
2021 Fall AMC 10B · Problem 9
2021 AMC 12B · Problem 4
2021 Fall AMC 12A · Problem 5
2020 AMC 10B · Problem 3
2020 AMC 12B · Problem 3
2019 AMC 10B · Problem 1
2019 AMC 10B · Problem 11
2019 AMC 12A · Problem 2
2019 AMC 12A · Problem 19
2019 AMC 12B · Problem 1
2018 AMC 10A · Problem 2
2018 AMC 10B · Problem 7
2018 AMC 12B · Problem 6
2017 AMC 12B · Problem 8
2016 AMC 10A · Problem 3
2016 AMC 10A · Problem 5
2016 AMC 10B · Problem 7
2016 AMC 12A · Problem 12
2016 AMC 12B · Problem 4
2016 AMC 12B · Problem 8
2015 AMC 10A · Problem 4
2015 AMC 10A · Problem 6
2015 AMC 10A · Problem 11
2015 AMC 10A · Problem 14
2015 AMC 12A · Problem 4
2015 AMC 12A · Problem 8
2014 AMC 10A · Problem 6
2014 AMC 10B · Problem 4
2014 AMC 10B · Problem 5
2014 AMC 10B · Problem 6
2014 AMC 12A · Problem 2
2014 AMC 12A · Problem 4
2014 AMC 12B · Problem 2
2014 AMC 12B · Problem 4
2014 AMC 12B · Problem 5
2013 AMC 10A · Problem 15
2013 AMC 10B · Problem 8
2013 AMC 12B · Problem 4
2012 AMC 10A · Problem 7
2012 AMC 10B · Problem 2
2012 AMC 12A · Problem 3
2012 AMC 12A · Problem 4
2012 AMC 12A · Problem 5
2011 AMC 10A · Problem 5
2011 AMC 10A · Problem 8
2011 AMC 12A · Problem 4
2010 AMC 10A · Problem 2
2010 AMC 10A · Problem 3
2010 AMC 10A · Problem 12
2009 AMC 10B · Problem 3
2009 AMC 12A · Problem 3
2009 AMC 12B · Problem 2
2008 AMC 10A · Problem 1

Use Start ratio and proportion practice above to work through the remaining 47.

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