Problems

Logic puzzles, riddles, & maths problems

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I mixed up my hamburgers while cooking. Can you help me out?

Can you find out how many carriages this circular train has?

How can 2018 monks find eternal peace?

How often do the hands of a clock overlap?

How can 4 friends guess their own hat colours?

How can a greedy pirate captain keep his treasure to himself?

Given some paper squares, can you slice them and then glue them back together to form a single square?