Clock — AMC & AIME Problems
Practice every real AMC 8, AMC 10, AMC 12, and AIME problem that uses Clock — a arithmetic concept — each with a professionally curated solution, many with a video solution too, from LIVE by Po-Shen Loh. Browse all concepts or the full past-contest archive.
All problems are used with official legal permission of the Mathematical Association of America (MAA).
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These problems’ difficulty ratings come from real solve attempts on our platform. Tap a band or a contest to filter the list below, and tap a selected band again to include all difficulties. See the full difficulty guide.
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AMC 8
1989 AMC 8 Problem 10 • 1994 AMC 8 Problem 3 • 1999 AMC 8 Problem 2 • 2003 AMC 8 Problem 20 • 2018 AMC 8 Problem 12