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  2. Bulls and cows - Wikipedia

    en.wikipedia.org/wiki/Bulls_and_Cows

    Other players (the guessers) try to figure out that word by guessing isogram words containing the same number of letters. The host responds with the number of cows and bulls for each guessed word. As with the digit version, "cow" means a letter in the wrong position and "bull" means a letter in the right position.

  3. HegartyMaths - Wikipedia

    en.wikipedia.org/wiki/HegartyMaths

    HegartyMaths was created by co-founders and teachers Colin Hegarty and Brian Arnold. In 2011 they started to make maths videos on YouTube to support their own classes with maths homework and revision. Since the videos were freely available on YouTube, students from all over the country and the world started using the videos too.

  4. Guess 2/3 of the average - Wikipedia

    en.wikipedia.org/wiki/Guess_2/3_of_the_average

    Distribution of the 2898 answers to 1983 tie breaker Jeux et Stratégie contest.. Alain Ledoux is the founding father of the "guess ⁠ 2 / 3 of the average" game. In 1981, Ledoux used this game as a tie breaker in his French magazine Jeux et Stratégie.

  5. Lottery mathematics - Wikipedia

    en.wikipedia.org/wiki/Lottery_mathematics

    In a typical 6/49 game, each player chooses six distinct numbers from a range of 1–49. If the six numbers on a ticket match the numbers drawn by the lottery, the ticket holder is a jackpot winner—regardless of the order of the numbers.

  6. Mathematics and Plausible Reasoning - Wikipedia

    en.wikipedia.org/wiki/Mathematics_and_plausible...

    Polya begins Volume I with a discussion on induction, not mathematical induction, but as a way of guessing new results.He shows how the chance observations of a few results of the form 4 = 2 + 2, 6 = 3 + 3, 8 = 3 + 5, 10 = 3 + 7, etc., may prompt a sharp mind to formulate the conjecture that every even number greater than 4 can be represented as the sum of two odd prime numbers.

  7. Guessing - Wikipedia

    en.wikipedia.org/wiki/Guessing

    A guessing game is a game in which the object is to use guessing to discover some kind of information, such as a word, a phrase, a title, or the identity or location of an object. [21] A guessing game has as its core a piece of information that one player knows, and the object is to coerce others into guessing that piece of information without ...

  8. Kalyan Bidhan Sinha - Wikipedia

    en.wikipedia.org/wiki/Kalyan_Bidhan_Sinha

    Kalyan Bidhan Sinha (K.B. Sinha) (born 3 June 1944) is an Indian mathematician. He is a professor at the Jawaharlal Nehru Centre for Advanced Scientific Research, [ 1 ] and Professor Emeritus for life of the Indian Statistical Institute .

  9. Matka gambling - Wikipedia

    en.wikipedia.org/wiki/Matka_gambling

    Numbers would be written on pieces of paper and put into a matka, a large earthen pitcher. One person would then draw a chit and declare the winning numbers. Over the years, the practice changed, so that three numbers were drawn from a pack of playing cards, but the name "matka" was kept. [2] In 1962, Kalyanji Bhagat started the Worli matka.