[Daily Brain Teaser] Gallon Riddle - 21 January

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Lavesh Rawat

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Jan 21, 2013, 3:18:31 AM1/21/13

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Gallon Riddle - 21 January

There are three gallons X,Y & Z.

Gallon X having capacity of eight liters is with filled with 5 liters of liquid.

Gallon Y having capacity of five liters is with filled with 3 liters of liquid.

Gallon Z having capacity of three liters is with filled with 2 liters of liquid.

How can you measure 1 liter of liquid in minimum number of steps ?

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Solution

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Ajaya Agrawal

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Jan 21, 2013, 7:57:15 AM1/21/13

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Pour water from X into Z until Z is full. Now Take Z and empty it in Y until Y is full. Whatever left in Z is 1 liter. So two steps.

P.S. There is a game in play store called WATER LOGIC based on same concept.

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