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Pressure Cooker

Science brain teasers require understanding of the physical or biological world and the laws that govern it.


Puzzle ID:#8558
Fun:*** (2.67)
Difficulty:*** (2.21)
Submitted By:Bobbrt*****




Most people know that it takes longer to boil an egg at higher altitudes. If instead of boiling an egg in the traditional manner, however, you used a pressure cooker at the higher and lower altitudes, would it:

a) still take longer to cook the egg at higher altitudes,
b) take the same amount of time no matter what the altitude is,
c) take longer to cook the egg at lower altitudes, or
d) the question can't be answered without knowing what the pressure setting on the cooker is.

Ignore the fact that the egg might be crushed by the pressure inside the cooker.

If you're not sure why it takes longer for an egg to boil at higher altitudes, see the hint.

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