Question

Andy has two similar conical hats, Hat A and Hat B. The diameter of Hat A is 18 inches, and the diameter of Hat B is 9 inches. What is the ratio of the volume of Hat A to the volume of Hat B?

2:1
16:1
4:1
8:1

Answer 1

The answer A is 9:1 times bigger than B in case if heights is equal to each other.
but I believe it is D.

Answer 2

The correct answer will be A. 2:1. 18 divided by 2 is 9 so you just simplify 18:9 and you get 2:1.