We have,
A cylinder =A cone =A hemisphere = same height
then, we know that
Cylinder volume = πr2h=V1
Cone volume = 13πr2h=V2
Hemisphere volume = 32πr2h=V3
when h= height
r=radius of Base
According to given question,
V1:V2:V3=πr2h:13πr2h:23πr2
V1:V2:V3=3:1:2
Hence, this is the answer.