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boubabi

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Posts posted by boubabi

  1. Enigma 5

    10pts

    John wants to buy a chocolate bar for $1 in the distributor. The machine accepts between 5 cent and a dollar (5c, 10c, 20c, 50c and $1), but it does not give back extra money. John doesn't have less then a 5 cent and doesn't have more than a 1$ (in paper or in coin) in his pocket. But, he has more than 1 dollar (total money) in his pocket and it is impossible to give the exact amount of money for this chocolate bar.

    How john can have on him up? (The Maximum)

    And tell me WHAT he has in his pocket (what cent)

    Explain your answer plz

    Sorry for my poor English

  2. Enigma 4

    15pts

    On 1 January 3000, the authorship of Groland have a big party to celebrate the birthday of the oldest inhabitant of Groland, having 100 years old this day. Only Grolandais are invited, but the Palais des Festivals of Groland has a limited number of place. Grolandais are drawn to the entrance on the evening of December 31, 2999 (at exactly midnight).

    The draw takes place as follows:

    -Once a Grolandais is drawn, his date of birth is written.

    -Once a Grolandais is drawn and he has the same date of birth (day, me and year) of an already invited guest (already picked) , the draw is over and he's not invited.

    How many guests can the Palais des Festivals receives in maximum ?

    Sorry for my poor English

  3. Enigma 3

    5pts

    A lawyer and a politician always tell the truth, but some days they always lie. The lawyer lies on Thursdays, Fridays and Saturdays. The politician on Mondays, Tuesdays and Wednesdays. One day, the politician says to the lawyer: "yesterday I was lying,". The lawyer answers : "yesterday I was lying."

    What day was it? 

    _____________________________

    Explain your answer please.

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