Answer:
Cone Z and Cylinder Y
Explanation:
To know what's happening here you need to compare volume equations:

Where B is base area and h is height.

Where B is base area and h is height.

Where r is the radio and h is height.

Where B is base area and h is height.

Where r is the radio and h is height.

Where r is the radio and h is height, but you know
is the same as
so

And that's why Cone Z and Cylinder Y is the right answer.