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PUZZLE CLASSIC #264

Hourglasses: 5-min Egg
Hourglasses: 5-min Egg

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Hourglasses: 5-min Egg

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Hourglasses: 5-min Egg
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3-min Hourglass
4-min Hourglass

You must boil an egg for exactly 5 mins. All you have is a 3-min and a 4-min hourglasses. How many times will you need to turn each hourglass in order to measure 5 mins?