Brain teasers
- Thread starter Richard Brown
- Start date
TheRambler
iPF Novice
You lot are way to good! Well done twerppoet.
TheRambler
iPF Novice
Right, this should take a bit longer.......
Three cars had driven into a parking lot at the same time, and the three drivers left them all for the attendant to park. Unfortunately, he isn't too good at remembering exactly which driver drove which car. However, he is sure of these 6 facts: a. Colin drove the BMW if and only if Mr. Cooper drove the Avenger. b. Alan drove the Cortina if and only if Mr. Cooper drove the BMW. c. Colin is Mr. Brown if and only if Mr. Andrews drove the BMW. d. Brian is Mr. Andrews if and only if Colin drove the BMW. e. Mr. Cooper drove the Avenger if and only if Alan is Mr. Brown. f. Colin is Mr. Brown if and only if Alan drove the Cortina. Who arrived with which car?
Three cars had driven into a parking lot at the same time, and the three drivers left them all for the attendant to park. Unfortunately, he isn't too good at remembering exactly which driver drove which car. However, he is sure of these 6 facts: a. Colin drove the BMW if and only if Mr. Cooper drove the Avenger. b. Alan drove the Cortina if and only if Mr. Cooper drove the BMW. c. Colin is Mr. Brown if and only if Mr. Andrews drove the BMW. d. Brian is Mr. Andrews if and only if Colin drove the BMW. e. Mr. Cooper drove the Avenger if and only if Alan is Mr. Brown. f. Colin is Mr. Brown if and only if Alan drove the Cortina. Who arrived with which car?
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Richard Brown
iPF Novice
MrLuke said:Another good guess. And here is what that student wrote down:
"This."
Reasoning:
By doing this, the student demonstrated that he/she understood that having your grade based on one exam is risky.
Plus, putting just one word on such an important exam and hoping the professor understands what he means is risky in itself.
Proud owner of a 32GB wifi iPad2 iOS5.
Ah, a good one which I would never have guessed either.
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Richard Brown
iPF Novice
Richard Brown said:
I haven't seen any answers to this one. Now NO googling, please. I am sure I can trust you.
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Richard Brown
iPF Novice
Richard Brown said:
Again,any guesses?
The mnemonic was devised by my geography teacher, Mr Pass.
I have 2 alternative possible answers. I'm sure our Scottish contingent can help.
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Richard Brown said:Again,any guesses?
The mnemonic was devised by my geography teacher, Mr Pass.
I have 2 alternative possible answers. I'm sure our Scottish contingent can help.
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Brilliant idea for a thread Richard,
Although I'm hopeless, don't even know where to begin with yours I'm afraid!
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Richard Brown
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leelai said:
Thanks Leelai. Its caught on pretty well. I was thinking of posting my Washing up teasers on the anything goes thread which didn't sit quite right. So, thinking things through resulted in this thread.
Original posers and observations should beat Google
. I have another cooking related poser which I'm putting together and will post later on.
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Richard Brown
iPF Novice
More kitchen physics.
Our toaster has snug fitting rubberised cool grips to the handles of the lift out basket. See photo: -
Whenever we use the toaster, the grips slide partially off the handles. I am sure to push the grips firmly home, whenever they try to work off the handles, but the movement reoccurs. One day I watched the toaster through a toasting cycle, and saw the grips moving on their own!
Weird!
I would love to know why this happens. Any ideas? I have an idea of sorts but would love some ideas.
Cheers.
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Our toaster has snug fitting rubberised cool grips to the handles of the lift out basket. See photo: -
Whenever we use the toaster, the grips slide partially off the handles. I am sure to push the grips firmly home, whenever they try to work off the handles, but the movement reoccurs. One day I watched the toaster through a toasting cycle, and saw the grips moving on their own!
Weird!
I would love to know why this happens. Any ideas? I have an idea of sorts but would love some ideas.
Cheers.
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Richard Brown
iPF Novice
TheRambler said:
OK.
Brian Cooper drove the Avenger.
Alan Brown drove the BMW.
Colin Andrews drove the Cortina.
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TheRambler
iPF Novice
Not quite Richard, but a very good try, I've written the two down you gave and now my head is hurting from thinking about them......I won't use google though!!
MrLuke
iPF Noob
Richard Brown said:
I prefer science and logic to all the other stuff so I'll post my two pence. It's probably because the metal inside the rubber heats up. This causes both the metal and rubber to expand, but due to the nature of rubber it will expand more. This expansion is probably what's causing the handle to move along. Was that what you were thinking?
Proud owner of a 32GB wifi iPad2 iOS5.
TheRambler
iPF Novice
Well my theory was the vibration that is caused when metal heats......not sure though!
