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Thread: Can you Answer This???

  1. 02-02-2003, 09:39 PM #1
    Fishsauce
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    Can you Answer This???

    A question similar to this is said to be asked at job interviews for major software firms....

    You need to get 4 people over a bridge...You got 17 minutes to get everyone across. Only 1 or 2 people can cross at one time. It is nighttime so they need to cross with a flashlight...but theres only 1 flashlight. You can't throw the flash light it must be walked back. Time goes by the slowest walker.

    Meet the people:
    Liz: 1 min
    Brian:2 min
    Dean:5 min
    Lesie:10 min

    Here's an example:
    Liz and Leslie walk across. That's 10 minutes.
    Liz walks back with the flashlight thats 11 minutes.
    (walking back counts too)
    Liz and Brian cross thats +2 min (13 minutes).
    Liz walks back +1 (14 min)
    Dean and Liz cross +5 (19 minutes)
    That was as close as I got...

    Any Ideas,
    Fishsauce
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  2. 02-02-2003, 10:13 PM #2
    danee
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    Or...

    Leslie & Liz cross - 10 minutes
    liz goes back + 1 minute
    Liz & Dean cross + 5 minutes
    liz goes back + 1 minute
    Brian & Liz cross + 2 minutes

    total 19 minutes.

    Actually.. is this even possible.
    The individual travel time for all people totals 18 minutes.
    Therefore... can any of them swim back ?
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  3. 02-02-2003, 11:05 PM #3
    Beeblequix
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    Get one person to the other side...

    ...and just have them shine the light on the bridge as the rest of them march across individually.

    ßeeßle Qµ!x
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  4. 02-03-2003, 12:24 AM #4
    bushmaster
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    wait for sunrise and run.
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  5. 02-03-2003, 12:27 AM #5
    mireland
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    First thing I'd do is tell Lesie to move her FAT ****!!


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  6. 02-06-2003, 03:49 AM #6
    Recordlord
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    The question is in this case unsolveable. The correct answer though through the eyes of the interviewer is not giving up and TRY to solve the problem with possibilities. Interviewers dont want to hear negatives and see people give up when adversity rears its ugly head. Determination is an asset!
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  7. 02-07-2003, 06:56 AM #7
    BiG MiKeY
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    Originally posted by mireland
    First thing I'd do is tell Lesie to move her FAT ****!!
    lol...... a good pair of runing shoes would help.....

    yea this one is impossible.....
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