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brain teasers

Discussion in 'Nevermore' started by Pitiless Wanderer, May 26, 2012.

  1. Pitiless Wanderer

    Pitiless Wanderer Active Member

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    If three individuals are in a group, how many channels of communication are there? There are six:

    Call them person A, B and C

    A-C
    A-B
    B-C
    A- B,C
    B- A,C
    C- A,B

    How many channels of communication in a group with seven people?
     
  2. Frosties

    Frosties Blind @ heart

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    28?

    EDIT: In case I'm right, here's what I did:

    7+6+5+4+3+2+1
     
  3. Pitiless Wanderer

    Pitiless Wanderer Active Member

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  4. refraction

    refraction Member

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  5. TomAwesome

    TomAwesome I LIKE JUICE!

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    364?

    7! would be the number of different ways to order the numbers 1 through 7.
     
  6. refraction

    refraction Member

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    Oh right. Hungover math ftw.
     

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