Soda machine - Revision history

Oscarlevin at 19:50, 18 July 2013

2013-07-18T19:50:15Z

← Older revision		Revision as of 13:50, 18 July 2013
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	Now what about the other two buttons? One is labeled Pepsi, but is either the surprise or Pepsi. Since it is labeled wrong, it cannot be Pepsi, so it is the surprise button. Finally, this leaves the button labeled Coke, which must be the Pepsi button.}}		Now what about the other two buttons? One is labeled Pepsi, but is either the surprise or Pepsi. Since it is labeled wrong, it cannot be Pepsi, so it is the surprise button. Finally, this leaves the button labeled Coke, which must be the Pepsi button.}}

	~~==See also==~~



	~~{{Random puzzle}}~~

	==References==		==References==

Oscarlevin at 19:49, 18 July 2013

2013-07-18T19:49:06Z

← Older revision		Revision as of 13:49, 18 July 2013
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	[[File:Soft Drink.svg\|right\|~~150px~~]]		[[File:Soft Drink.svg\|right\|100px]]
	This is a quite old puzzle, although this version was inspired by a recent post on [http://richardwiseman.wordpress.com/ Richard Wiseman's Blog].		This is a quite old puzzle, although this version was inspired by a recent post on [http://richardwiseman.wordpress.com/ Richard Wiseman's Blog].

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	==See also==		==See also==



	{{Random puzzle}}		{{Random puzzle}}

Oscarlevin at 19:44, 18 July 2013

2013-07-18T19:44:09Z

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 This is a quite old puzzle, although this version was inspired by a recent post on [http://richardwiseman.wordpress.com/ Richard Wiseman's Blog].
 ==Puzzle==
-You have an old soda vending machine used in blind taste tests.  The machine has three buttons labeled, "Coke," "Pepsi," and "Surprise."  Whichever button is pressed, a nondescript can of soda pops out containing either Pepsi or Coke - the surprise button is supposed to randomly give a can of one or the other.  Trouble is, some rascal has gone and switched the labels so now every label is wrong.  Luckily, you are an expert at telling the difference between Pepsi and Coke, so if you sample one of the cans, you will be able to determine which soda it is (even though the can is no help).  How many sodas must you drink the guarantee you will be able to put the labels back where they belong?
+You have an old soda vending machine used in blind taste tests.  The machine has three buttons labeled, "Coke," "Pepsi," and "Surprise."  Whichever button is pressed, a nondescript can of soda pops out containing either Pepsi or Coke - the surprise button is supposed to randomly give a can of one or the other.  Trouble is, some rascal has gone and switched the labels so now every label is wrong.  Luckily, you are an expert at telling the difference between Pepsi and Coke, so if you sample one of the cans, you will be able to determine which soda it is (even though the can is no help).  How many sodas must you drink to guarantee you will be able to put the labels back where they belong?
 ==References==
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 [[Category: Cases]]
 [[Category: Discrete math]]

Oscarlevin: Created page with 'This is a quite old puzzle, although this version was inspired by a recent post on [http://richardwiseman.wordpress.com/ Richard Wiseman's Blog]. ==Puzzle== You have an old sod...'

2010-07-31T12:32:43Z

Created page with 'This is a quite old puzzle, although this version was inspired by a recent post on [http://richardwiseman.wordpress.com/ Richard Wiseman's Blog]. ==Puzzle== You have an old sod...'

New page

This is a quite old puzzle, although this version was inspired by a recent post on [http://richardwiseman.wordpress.com/ Richard Wiseman's Blog].

==Puzzle==

You have an old soda vending machine used in blind taste tests. The machine has three buttons labeled, "Coke," "Pepsi," and "Surprise." Whichever button is pressed, a nondescript can of soda pops out containing either Pepsi or Coke - the surprise button is supposed to randomly give a can of one or the other. Trouble is, some rascal has gone and switched the labels so now every label is wrong. Luckily, you are an expert at telling the difference between Pepsi and Coke, so if you sample one of the cans, you will be able to determine which soda it is (even though the can is no help). How many sodas must you drink the guarantee you will be able to put the labels back where they belong?

==References==

{{Richard Wiseman}}

[[Category: Logic puzzles]]
[[Category: Cases]]
[[Category: Discrete math]]