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  2. Puzzle Your Brain: 30 Odd One Out Questions That’ll ... - AOL

    www.aol.com/lifestyle/odd-one-challenge-only...

    We’ve all been there - facing a tricky puzzle, staring at options that seem alike, and wondering which one just doesn’t belong. Now is your chance to put your observation and reasoning skills ...

  3. The Viral '30 Cows and 28 Chickens' Riddle Is Trickier Than ...

    www.aol.com/viral-30-cows-28-chickens-110600518.html

    Hints to Figure Out the 30 Cows and 28 Chickens Riddle It's best to go about solving any riddle with an open mind. Don't take everything at face value, and try to look at the problem from every angle.

  4. Balance puzzle - Wikipedia

    en.wikipedia.org/wiki/Balance_puzzle

    Remove one of the 3 coins, move another to the other side of the balance (remove all other coins from balance). If the balance evens out, the odd coin is the coin that was removed. If the balance switches direction, the odd coin is the one that was moved to the other side, otherwise, the odd coin is the coin that remained in place.

  5. Wason selection task - Wikipedia

    en.wikipedia.org/wiki/Wason_selection_task

    The rule was "If the card shows an even number on one face, then its opposite face is blue." Only a card with both an even number on one face and something other than blue on the other face can invalidate this rule: If the 3 card is blue (or red), that doesn't violate the rule. The rule makes no claims about odd numbers. (Denying the antecedent)

  6. Odd One Out - Wikipedia

    en.wikipedia.org/wiki/Odd_One_Out

    Odd One Out is a British game show based on the American version entitled Knockout. It aired on BBC1 from 16 April 1982 to 19 April 1985 and was hosted by Paul Daniels . The show is based on a short-lived American game show produced by Ralph Edwards called Knockout , hosted by Arte Johnson .

  7. The Hardest Logic Puzzle Ever - Wikipedia

    en.wikipedia.org/wiki/The_Hardest_Logic_Puzzle_Ever

    Your task is to determine the identities of A, B, and C by asking yes–no questions; each question must be put to exactly one god. The gods understand English and will answer in English. Note that this puzzle is trivially solved with three questions. Furthermore, to solve the puzzle in two questions, the following lemma is proved. Tempered ...

  8. Birthday problem - Wikipedia

    en.wikipedia.org/wiki/Birthday_problem

    In an alternative formulation of the birthday problem, one asks the average number of people required to find a pair with the same birthday. If we consider the probability function Pr[n people have at least one shared birthday], this average is determining the mean of the distribution, as opposed to the customary formulation, which asks for the ...

  9. Odds and evens (hand game) - Wikipedia

    en.wikipedia.org/wiki/Odds_and_evens_(hand_game)

    Even-Odd as an early form of roulette. This game was known by the Greeks (as artiazein) and Romans (as ludere par impar).In the 1858 Krünitzlexikon it says: [3] "The game Odds and Evens was very common amongst the Romans and was played either with tali, tesseris, or money and known as "Alea maior", or with nuts, beans and almonds and known as "Alea minor"."