Volumes - Arithmetic Aptitude Questions and Answers

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If the volumes of two cones are in the ratio 1: 4 and their diameters are in the ratio 4: 5, then the ratio of their heights is?

1 : 5

5 : 4

5 : 16

25 : 64

Answer : Option D

Explanation :

Since the diameter are in the ratio 4: 5, it follows that their radii are in the ratio 4: 5 4r and 5r,

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