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List Question

Arranging bricks safely

9-Bits Game, a Brain Teaser on Information Theory or Cryptography

Hat 'trick': Can one of them guess right?

A generalization of the airplane seating puzzle

An invisible ghost jumping on a regular hexagon

Cyclic Partisan Nim Variant

Explaining MENSA's IQ Problem on Alien Fingers

Getting an airplane around the world

In a village, $90\%$ of people drink Tea, $80\%$ Coffee, $70\%$ Whiskey, $60\%$ Gin. Nobody drinks all four. What percentage of people drinks alcohol?

Expected number of wrong seats on plane

Validation of Answer via Truth Table as Reason in Isolation

Clock losing time puzzle

On a 2-dimensional Van der Waerden-like theorem on 2-coloured square grids

Possibilty of a number $n$ to be a multiple of $x$ that has a remainder of $y$

Is there an easier (or alternative) method to uncover the answer, as opposed to brute-force/exhaustion?

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