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Measuring 2 Litres - Solution
Puzzles -> Measuring Puzzles
 The Puzzle: Measure exactly 2 liters of water if you have:
1) 4 and 5-liter bowls
2) 4 and 3-liter bowls |
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(Scroll down if you really want
to see the Solution ...)
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The Solution . . .
1) Fill the 5-liter bowl, pour water from it to fill the 4-liter bowl, which you empty afterwards.
Pour the remaining 1 liter to the 4-liter bowl.
Refill the 5-liter bowl and then carefeully pour water from it to fill the 4-liter bowl (where there is already 1 liter). This will only need 3 liters.
Thus you are left with 2 liters in the 5-liter bowl, as requested.
2) The same principle - this time from the other end. Fill the 3-liter bowl and pour all of the water to the 4-liter bowl.
Refill the 3-liter bowl and fill the 4-liter bowl to the top.
And then you have 2 liters left in the 3-liter bowl. |
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