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YesFan72 View Drop Down
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Points: 3241 		Direct Link To This Post Posted: July 31 2008 at 07:31
I decided to post another logic puzzle on here.

A milkman has two empty jugs: a three gallon jug and a five gallon jug.
How can he measure exactly one gallon without wasting any milk?
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Vompatti View Drop Down
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Points: 67407 		Direct Link To This Post Posted: July 31 2008 at 07:44
Easy:
He fills the bigger jug. Then he pours three gallons from the bigger jug to the smaller one. Then he drinks the three gallons from the smaller jug. Then he pours the two gallons from the bigger jug to the smaller one. Then he fills the bigger jug. Then he pours one gallon from the bigger jug to the smaller one. Then he drinks the three gallons from the smaller jug. Then he pours three gallons from the bigger jug to the smaller one. Then he drinks the three gallons from the smaller jug. Now there's one gallon in the bigger jug, nothing in the smaller jug, and nine galllons in the milkman.


Edited by Vompatti - July 31 2008 at 07:44
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YesFan72 View Drop Down
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Points: 3241 		Direct Link To This Post Posted: July 31 2008 at 07:47
Originally posted by Vompatti Vompatti wrote:

Easy:
He fills the bigger jug. Then he pours three gallons from the bigger jug to the smaller one. Then he drinks the three gallons from the smaller jug. Then he pours the two gallons from the bigger jug to the smaller one. Then he fills the bigger jug. Then he pours one gallon from the bigger jug to the smaller one. Then he drinks the three gallons from the smaller jug. Then he pours three gallons from the bigger jug to the smaller one. Then he drinks the three gallons from the smaller jug. Now there's one gallon in the bigger jug, nothing in the smaller jug, and nine galllons in the milkman.

There is also a simpler way to do it without the milkman consuming milk.
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Vompatti View Drop Down
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Points: 67407 		Direct Link To This Post Posted: July 31 2008 at 07:49
The milkman holds the nine gallons in his mouth and then spits them in bottles or something?
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YesFan72 View Drop Down
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Points: 3241 		Direct Link To This Post Posted: July 31 2008 at 07:51
First, fill the three gallon jug. Pour that into the five gallon jug. Fill the three gallon jug again. Using that jug, fill the five gallon jug. There will be one gallon left over in the three gallon jug.
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Vompatti View Drop Down
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Points: 67407 		Direct Link To This Post Posted: July 31 2008 at 07:57
Oh. Ouch
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Vompatti View Drop Down
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Points: 67407 		Direct Link To This Post Posted: September 02 2008 at 17:57
But how does the milkman know he has a three gallon jug and a five gallon jug? And even if he did know, how would he know that the jugs remain the same size when filled with milk? Ermm
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npjnpj View Drop Down
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Points: 2720 		Direct Link To This Post Posted: September 04 2008 at 04:44
If there are three people in a lift and when it stops, five of them get out, then two have to get back in so that it's empty.
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Vompatti View Drop Down
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Points: 67407 		Direct Link To This Post Posted: September 15 2008 at 15:35
What if the lift can only hold ±3 people? Wouldn't it have crashed before the five people got out?
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progaeopteryx View Drop Down
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Points: 3613 		Direct Link To This Post Posted: September 15 2008 at 20:50
What's a lift?
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npjnpj View Drop Down
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Points: 2720 		Direct Link To This Post Posted: September 16 2008 at 04:34
sorry, elevator, as in face-elevator
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Vompatti View Drop Down
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Points: 67407 		Direct Link To This Post Posted: September 16 2008 at 10:48
How many gallons of apples can a milkman put in a face-lift?
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