Volume of a Right Circular Cone

Author:R. D. Sharma
9th CBSE
IMPORTANT

Important Questions on Volume of a Right Circular Cone

MEDIUM
IMPORTANT

Find the weight of a solid cone whose base is of diameter 14cm and vertical height 51cm, supposing the material of which it is made weighs 10 grams per cubic cm.

HARD
IMPORTANT

Mark the correct alternative in each of the following:

If h, S and V denote respectively the height, curved surface area and volume of a right circular cone, then 3πVh3-S2h2+9V2 is equal to

MEDIUM
IMPORTANT

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If the base radius and the height of a right circular cone are increased by 20%, then the percentage increase in volume is approximately

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If the heights of two cones are in the ratio of 1: 4 and the radii of their bases are in the ratio 4:1, then the ratio of their volumes is

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A right circular cylinder and a right circular cone have the same radius and the same volume. The ratio of the height of the cylinder to that of the cone is

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The ratio of the volume of a right circular cylinder and a right circular cone of the same base and height, is

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If the height and radius of a cone of volume V are doubled, then the volume of the cone, is

EASY
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If the volumes of two cones are in the ratio 1: 4 and their diameters are in the ratio 4:5, then the ratio of their heights, is

EASY
IMPORTANT

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If the radius of the base of a right circular cone is 3r and its height is equal to the radius of the base, then its volume is

MEDIUM
IMPORTANT

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A solid cylinder is melted and cast into a cone of same radius. The heights of the cone and cylinder are in the ratio

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IMPORTANT

The height of a conical vessel is 3.5 cm. If its capacity is 3.3 litres of milk. Find its diameter of its base.

MEDIUM
IMPORTANT

If the volume of a right circular cone of height 9 cm is 48π cm3. Find the diameter of its base(in cm).

MEDIUM
IMPORTANT

The height of a cone is 15 cm. If its volume is 500π cm3, then find the radius of its base( in cm).

MEDIUM
IMPORTANT

A conical pit of top diameter 3.5 m is 12 m deep. What is its capacity in kilolitres?

HARD
IMPORTANT

The volume of a right circular cone is 9856 cm3. If the diameter of the base is 28 cm, find:

slant height of the cone.

MEDIUM
IMPORTANT

The volume of a right circular cone is 9856 cm3. If the diameter of the base is 28 cm, find:

 height of the cone

MEDIUM
IMPORTANT

If the volume of a right circular cone with height 21 cm and slant height 28 cm is k cm3, find k.

MEDIUM
IMPORTANT

Find the volume (in cm3) of a right circular cone with:

(i) radius 6 cm, height 7 cm.

MEDIUM
IMPORTANT

Find the volume of a right circular cone with:

(ii) radius 3.5 cm, height 12 cm

MEDIUM
IMPORTANT

Find the volume of the largest right circular cone that can be fitted in a cube whose edge is 14 cm.