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Math brain teasers require computations to solve.

 

Puzzle ID:#8733
Fun:*** (2.2)
Difficulty:*** (2.17)
Category:Math
Submitted By:lesternoronha1****

 

 

 



If the heights of two cones are in the ratio of 1:3 and their diameters in the ratio 3:5, respectively, find the ratio of their volumes.

The hint will give you the equation for the volume of a cone if you don't know it.

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Hint

The volume of a cone is:

V = 1/3 * pi * r^2 * h

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Comments

Jimbo*au*
Jun 17, 2012

SInce the volume of a cone is proportional to its height and the square of its diameter then the ratio is (1/3)*(3/5)^2 = 3/25.

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