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Thread: Brain Teasers............... 10 points for the best?

  1. #1
    Join Date
    Mar 2008
    Posts
    3

    Default Brain Teasers............... 10 points for the best?

    Sinbad the sailor is known to have travelled around the world seven times. During which round (which time) of travel did he die of a mysterious disease?

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    There are 7999 card castles made every year around the world. each castle is of 15 storeys. each card castle is made up of 1853 cards. every card is either an ace or an heart but not a diamond nor a spade. every storey of the card castle requires 100 cards which reduces by 6 for every floor made up. my question that will not be to you is not that how many cards are there in a pack but is what is the probability that u get to make sixteenth floor of the castle?

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    if a train travels at 340 miles per hour and a man is travelling in the opposite direction outside the train at 10 kms per hour at what speed are the passengers travelling


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  2. #2
    Join Date
    Aug 2009
    Posts
    15

    Default

    1st: sinbad died during 8th trip
    2nd: probability=0 because 15th floor was made by 4 cards and 16th would be made by 4-6=-2(not possible)
    3rdassengers at 544 kmph(fastest train ?)

  3. #3
    Join Date
    Jul 2013
    Posts
    1

    Cool Answer fr 3rd que

    the passengers are just sitting

  4. #4
    Join Date
    Jul 2013
    Posts
    2

    Default

    Passengers supposed to travel at 340 Miles Per Hour as well.


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  5. #5

    Default

    1st - 8th trip

    3rd - passengers are not traveling

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