About Tier 1 - Element
Focused around one main idea or observation.
Difficulty describes the challenge, not the solver. It is a Society guide rather than a formal academic level.
The tier is a Society guide to the amount of reasoning, technical work and insight a problem is expected to require. Your experience may vary depending on the topic and your background.
Clockwork
Geometry / Angles and Clocks - 3-4 min
An analogue clock reads exactly 2:20. Its hour and minute hands move continuously. What is the smaller angle between the hands?
Assumptions
Use an ideal twelve-hour analogue clock with evenly spaced markings and hands that move continuously at constant rates. Ignore the width of the hands.
More Options for Clockwork
Collection question · Revision 1 · ID: clock-angle