Mensuration - Arithmetic Aptitude Questions and Answers

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The volumes of two cones are in the ratio 1 : 10 and the radii of the cones are in the ratio of 1 : 2. What is the length of the wire?

2 : 5

1 : 5

3 : 5

4 : 5

None of these

Answer : Option A

Explanation :

The volume of the cone = (1/3)Ï€r²h

Only radius (r) and height (h) are varying.

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