MEDIUM
10th CBSE
IMPORTANT
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What is the ratio of the volumes of a cylinder, a cone, and a sphere, if each has the same diameter and same height?

Important Questions on Surface Areas and Volumes
EASY
10th CBSE
IMPORTANT
A sphere of maximum volume is cut-out from a solid hemisphere of radius r, what is the ratio of the volume of the hemisphere to that of the cut-out sphere?

EASY
10th CBSE
IMPORTANT
A metallic hemisphere is melted and recast in the shape of a cone with the same base radius as that of the hemisphere. If is the height of the cone, then write the value of .

MEDIUM
10th CBSE
IMPORTANT
A right circular cone and a right circular cylinder have equal base and equal height. If the radius of the base and height are in the ratio , write the ratio of the total surface area of the cylinder to that of the cone.

EASY
10th CBSE
IMPORTANT
A cylinder, a cone and a hemisphere are of equal base and have the same height. What is the ratio of their volumes?

EASY
10th CBSE
IMPORTANT
The radii of two cones are in the ratio and their volumes are equal. What is the ratio of their heights?

EASY
10th CBSE
IMPORTANT
Two cones have their heights in the ratio and radii . What is the ratio of their volumes?

MEDIUM
10th CBSE
IMPORTANT
A hemisphere and a cone have equal bases. If their heights are also equal, then what is the ratio of their curved surfaces ?

EASY
10th CBSE
IMPORTANT
If and denote the radii of the circular bases of the frustum of a cone such that , then write the ratio of the height of the cone of which the frustum is a part to the height of the frustum.
