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Work this one out, then

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    MattGrayson
    18 Mar 2008 - 3:16 PM

    If you've heard it, stay quiet for a bit. It's a killer:

    Three old ladies live together and decide to buy a new sofa. They go to the discount furniture store with 10 each, totalling 30.
    They arrive at the store and find a sofa for exactly 30. They are delighted and call the salesperson over to buy it.
    The sales person sells the sofa and goes to tell the manager that they got rid of the old discounted sofa. The manager is happy, but explains that the sofa came down to 25 so the sales person owes the ladies 5.
    As he's walking back to them, he realises that he can't divide 5 between three people, so gives them each 1 and pockets 2 for himself. The ladies are happy that they've received a refund and the sales person is happy at getting a 2 tip.

    So, the ladies paid 9 each.
    The sales person had 2
    3 x 9 = 27 + 2 = 29

    where's the other 1?

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    Maddie
    Maddie  92714 forum posts United Kingdom2 Constructive Critique Points
    18 Mar 2008 - 3:22 PM

    the ladies paid 25 got 3 back and the salesman got 2 = 30

    crazycucumber
    18 Mar 2008 - 3:30 PM

    I can see it but its frying my noodle as to why !
    Must be in the way its worded !

    SandyMiller
    18 Mar 2008 - 3:35 PM

    It's not 3 x 9 = 27 + 2 - it's 3 x 9 and they've overpaid so the guy keeps the difference - so in fact it's 3 x 9 = 27 - 2 = 25.

    So either 3 x 10 = 30 then take away 3 + 2 = 25

    or 3 x 9 = 27 - 2 = 25.

    lobsterboy
    lobsterboy Site Moderator 1014059 forum postslobsterboy vcard United Kingdom13 Constructive Critique Points
    18 Mar 2008 - 3:43 PM

    I think you are all missing something....





    A new sofa for 30!!! Its a bargain, we demand to know where this furniture store is right away!

    MattGrayson
    18 Mar 2008 - 4:00 PM

    ask keith Wink

    User_Removed
    18 Mar 2008 - 5:51 PM

    Why? For that price he certainly wouldn't have shot it! Wink

    Henchard
    Henchard  92744 forum posts United Kingdom1 Constructive Critique Points
    18 Mar 2008 - 6:04 PM

    Work this one out then

    A train is trundling slowly south down the railway track at say 30 mph (the speed doesn't matter it could be anything).

    A fly is flying along the track in the opposite direction (north). The fly lands on the front of the train and starts going backwards (south) it doesn't get squashed or anything the fly just lands on the front of the train.

    Obviously for the fly to change direction from north to south it must have, for at least an instant, stopped to change direction (you can't go in one direction then the exact opposite without stopping first). At the time it changed direction the fly was in contact with the train, therefore the train must have stopped momentarily as well. So what happened?

    Last Modified By Henchard at 18 Mar 2008 - 6:04 PM
    mrcal
    mrcal  101032 forum posts
    18 Mar 2008 - 6:37 PM


    Quote: therefore the train must have stopped momentarily

    Why must have?

    A classic piece of misdirection.

    ade_mcfade
    ade_mcfade  1014747 forum posts England216 Constructive Critique Points
    18 Mar 2008 - 7:56 PM

    if you use the Conservation of Momentum theory (Newton's 3rd Law), then the for them both to be stopped, the fly must have been travelling at nearly light speed to stop the train!!!

    skeletor
    skeletor  101643 forum posts England
    18 Mar 2008 - 10:09 PM


    Quote: you can't go in one direction then the exact opposite without stopping first

    I think your tale demonstrates that you can.

    Steve

    Geoffphoto
    18 Mar 2008 - 10:12 PM


    Quote: Quote:you can't go in one direction then the exact opposite without stopping firstI think your tale demonstrates that you can.

    Steve

    Well Steve , if your bass playing is anything to go by !!!! Smile


    Evening BTW - busy at the mo' ??

    Last Modified By Geoffphoto at 18 Mar 2008 - 10:13 PM
    crazycucumber
    18 Mar 2008 - 11:21 PM

    Thanks Chris , now i have just wasted 10 mins of my life trying understand Achilles and the Tortoise, and the Arrow paradox from xeno's point of view then Aristotle's solution. ..... Great when I am about to go to bed ... Cheers !! Wink

    skeletor
    skeletor  101643 forum posts England
    19 Mar 2008 - 10:52 PM

    Sorry Geoff, only just got back to this thread.

    Quote: busy at the mo' ??

    No, this is always a fairly quiet time of year for us - just bits n bobs - here n there Wink. Start again in earnest at the end of April.

    BTW to answer your question about Hastings Pier - the answer's yes...many times, in the 70s and early 80s.

    There...that should get the epz tongues wagging Wink

    Steve

    skeletor
    skeletor  101643 forum posts England
    19 Mar 2008 - 11:28 PM

    Sorry Geoff, only just got back to this thread.

    Quote: busy at the mo' ??

    No, this is always a fairly quiet time of year for us - just bits n bobs - here n there Wink. Start again in earnest at the end of April.

    BTW to answer your question about Hastings Pier - the answer's yes...many times, in the 70s and early 80s.

    There...that should get the epz tongues wagging Wink

    Steve

    Edit: Something odd going on here. I can either post twice, or not at all.

    Last Modified By skeletor at 19 Mar 2008 - 11:30 PM
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