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In this game of Poisoned Chocolates there are $5$ stacks with $4, \: 3,\: 1,\: 7,\: 11$ pieces of perfectly safe chocolate respectively. Underneath the $5$ stacks, there is a large ...

On an island, everyone is either a knight or a knave. Knights only tell the truth (only make true statements), and knaves always lie (only make false statements).

There exists ...

Your friend presents you with a completely normal deck of cards. He then flips 13 of them over and then randomly places the flipped cards into different places of the ...

Three friends -- math teacher Mr. White, science teacher Mr. Black and history teacher Mr. Redhead -- met in a cafeteria.

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