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Aug 24th, 2023
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Joined: Mar 2012
Posts: 190
L - Learner Plates On
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L - Learner Plates On
Joined: Mar 2012
Posts: 190 |
Why is it better for manhole covers to be round rather than square?
No Morgan yet...
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Joined: Aug 2007
Posts: 29
Just Getting Started
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Just Getting Started
Joined: Aug 2007
Posts: 29 |
Because a round one can't fall down the manhole.
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Joined: Sep 2011
Posts: 14,723 Likes: 149
Member of the Inner Circle
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Member of the Inner Circle
Joined: Sep 2011
Posts: 14,723 Likes: 149 |
My favourite brain teaser for a pub...
This meant that the 3 men each paid $9 for the room, which is a total of $27. Add to that the $2 the bellboy kept and the total is $29. Where is the other dollar?
Oldie but a gud'un  A classic case of misdirection that seems logical. The guys paid $27 MINUS the $2 (equals $25) the bellboy kept and the hotel received $25 after giving back $5 ($3 to the clients and $2 to the bellboy) from the original $30 paid. Every $ is accounted for. PS Where is this hotel that has a triple for $25, and does that include breakfast?
Peter ![[Linked Image]](http://bradley.it/public_images/drive.jpg)
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Joined: Mar 2010
Posts: 3,581 Likes: 85
Moderate or good, occasionally poor Talk Morgan Addict
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Moderate or good, occasionally poor Talk Morgan Addict
Joined: Mar 2010
Posts: 3,581 Likes: 85 |
Here’s another famous one … don’t Google if you don’t know it!
You have reached the final of the TV Game Show Car or Goat (congratulations!)
You are presented with three doors. All you have to do is choose a door to open and you win whatever is behind it.
Hidden behind one of the doors is the star prize, a car.
Behind each of the other two is a goat!
You tell the host which door you want to open. The host (who knows where the prize is) doesn't open your chosen door yet but instead opens one of the other two. Behind it is a goat.
There are now two doors left, the one you originally chose and one you didn't. The host gives you the chance to change your mind.
Should you:
1. Stick with your original choice.
2. Change your mind and choose to open the other door.
3. Do what you like, it doesn't matter.
~iw
2011 Morgan 4/4
1932 Austin 7 Chummy
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Joined: Apr 2011
Posts: 8,646
Needs to Get Out More!
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Needs to Get Out More!
Joined: Apr 2011
Posts: 8,646 |
Pandy, correct, well done. Was that your IQ or Google skills at work?  I confess to being an ex engineering student; I worked it out.
Giles. Mogless in Paris.
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Joined: Jul 2007
Posts: 28,428 Likes: 180
Salty Sea Dog Member of the Inner Circle
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Salty Sea Dog Member of the Inner Circle
Joined: Jul 2007
Posts: 28,428 Likes: 180 |
Not being a modern car fan, I'd rather have the goat anyway - might keep parts of the garden under better control 
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly
'09 Gen2 MINI Cooper ragtop
'90 LR 90 SW
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Joined: Sep 2011
Posts: 14,723 Likes: 149
Member of the Inner Circle
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Member of the Inner Circle
Joined: Sep 2011
Posts: 14,723 Likes: 149 |
We have a game show here in Italy called Affari tuoi that involves 20 boxes with amounts of money up to €500,000. At the end the competitor has his own box, if he has not already swapped it, and there is one other unopened box. At this point a swap is often offered. I have often wondered what would be the best choice.
Peter
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Joined: Jan 2010
Posts: 477
Learner Plates Off!
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Learner Plates Off!
Joined: Jan 2010
Posts: 477 |
Looks like a frustrating game that would get my goat!
Dave
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Joined: Jan 2012
Posts: 4,328
Gone to Porsche Part of the Furniture
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OP
Gone to Porsche Part of the Furniture
Joined: Jan 2012
Posts: 4,328 |
Here’s another famous one … don’t Google if you don’t know it!
You have reached the final of the TV Game Show Car or Goat (congratulations!)
You are presented with three doors. All you have to do is choose a door to open and you win whatever is behind it.
Hidden behind one of the doors is the star prize, a car.
Behind each of the other two is a goat!
You tell the host which door you want to open. The host (who knows where the prize is) doesn't open your chosen door yet but instead opens one of the other two. Behind it is a goat.
There are now two doors left, the one you originally chose and one you didn't. The host gives you the chance to change your mind.
Should you:
1. Stick with your original choice.
2. Change your mind and choose to open the other door.
3. Do what you like, it doesn't matter.
~iw it must have to do with percentages, ie 33% less chance of loosing once one door has been open, if he doesnt open the door you chose it must be the remaining door !!!! i think
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Joined: Sep 2011
Posts: 14,723 Likes: 149
Member of the Inner Circle
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Member of the Inner Circle
Joined: Sep 2011
Posts: 14,723 Likes: 149 |
I think the odds change. At the first choice the odds are 1:3 but at second choice the odds for the first chosen door remain 1:3 but the odds for the remaining door are 1:2. You have a better chance by accepting the swap. I can't quite work out the maths but I think swapping gives you 2 chances in 3 of winning.
Does this make sense?
Peter
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