Q106
If the radius of the base and height of a cylinder and cone are each equal to r, and the radius of a hemisphere is also equal to r, then the volumes of the cone, cylinder and hemisphere are in the ratio ?
A.
1 : 2 : 3
B.
1 : 3 : 2
AnswerC.
2 : 1 : 3
D.
3 : 2 : 1
Answer: Option B
Solution
Answer: Option B
Solution:
Required ratio := Volume of cone : Volume of cylinder : Volume of hemisphere