Ratio and Proportion Practice Test 3

Question : 4 of 40

Marks: +1, -0

A right circular cylinder and a right circular cone have the same radius and the same volume. The ratio of the height of the cylinder to that of the cone is:

3 : 5
2 : 5
3 : 1
1 : 3

Validate

Solution:

Let the heights of the cylinder and cone be h and H respectively.
Then,

πr^2h = 1/3πr ^2H

⇒ h/H = 1/3

So, their heights in the ratio = 1 : 3

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