Frustum of a Cone

IMPORTANT

Frustum of a Cone: Overview

This topic covers concepts, such as Frustum of a Cone, Slant Height, Slant Height of Frustum of a Cone, Curved Surface Area of Frustum of a Cone, Total Surface Area of Frustum of a Cone & Volume of Frustum of a Cone etc.

Important Questions on Frustum of a Cone

MEDIUM
IMPORTANT

The slant height of a bucket is 26 cm. The diameter of upper and lower circular ends are 36 cm and16 cm . The height of the bucket is

MEDIUM
IMPORTANT

A conical paper cup with height 16 cm and base radius 6 cm is filled to the top with water. If 19/27 of the water is removed, then water level in the cup will drop by (in cm)

MEDIUM
IMPORTANT

A bucket is in the form of a frustum of a cone and it can holds 28.49 litres of water. The radii of the top and bottom of the bucket are 28 cm and 21 cm respectively. Then slant height of the bucket is (use π=227)

HARD
IMPORTANT

A conical vessel of radius 6 cm and height 8 cm is completely filled with water. A metal sphere is now lowered into the water. The size of the sphere is such that when it touches the inner surface, it just gets immersed. The fraction of water that overflows from the conical vessel is

HARD
IMPORTANT

The height of a frustum of a right cone is 12 cm and a diagonal of its axial section is 15 cm. Radii of the bases of this frustum are in the ratio of 1:2. Find the volume of the frustum. (π=3)
 

HARD
IMPORTANT

Radii of the base of a frustum of a right cone are in the ratio of 1:3. The slant height of the frustum is 8 cm and makes 60° with the base of the cone. The volume of frustum is k208π3. Find the value of k.
 

HARD
IMPORTANT

The slant height of right circular cone is 10 cm and its height is 8 cm. It is cut by a plane parallel to its base passing through the mid-point of the height. The ratio of the volume of the cone to that of the frustrum of the cone cut is

HARD
IMPORTANT

Find the product of radii of the base of a frustum of a right cone if its lateral area is 323 cm², its slant height is 17 cm, and its height is 8 cm.
 

HARD
IMPORTANT

Given a frustum of a right cone with circumference of the bases as 4π сm and 16π cm. The height of the frustum of the cone is 8 cm. Find its total surface area.

EASY
IMPORTANT

The diameters of the two circular ends of the bucket are 44 cm and 24 cm. The height of the bucket is 35 cm. The capacity of the bucket is