Brain_teaser
Brain teaser
Puzzle requiring thought to solve
A brain teaser is a form of puzzle that requires thought to solve. It often requires thinking in unconventional ways with given constraints in mind; sometimes it also involves lateral thinking. Logic puzzles and riddles are specific types of brain teasers.
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One of the earliest known brain teaser enthusiasts was the Greek mathematician Archimedes.[1] He devised mathematical problems for his contemporaries to solve.