A drinking glass is in the shape of a frustum of a cone height 14 cm.The diameters of its two circular ends 4 cm and 2 cm.Find the capacity of the glass.

If the slant height of the frustum of a cone is 5 cm.If the difference between the radii of its two circular ends is 4 cm then find the height of the frustum.

The slant height of a frustum of a cone 4 cm and the perimeters(circumferences) of its circular ends are 18 cm and 6 cm.Find the curved surface area of the frustum.

The slant height of the frustrum of a cone is 5cm.If the difference between the radii of its two circular ends is 4 cm then find the height of the frustum.

The slant height of a frustum of a cone is 4 cm and the perimeter (circumference) of its circular ends are 18 cm and 16 cm. Find the curved surface area of the frustum.

The height and the diameter of a cylinder are 6 cm and 14 cm respectively. Find the area of the whole surface.

A bucket is in the form of a frustum of a cone. In depth is 15 cm and the diameters of the top and bottom are 56 cm and 42 cm respectively. Find how many litres of water can the bucket hold (pi=22/7) .

A bucket made up of a metal sheet is in the form of a frustum of a cone. Its depth is 24 cm and the diameters of the top and bottom are 30 cm and 10 cm respectively. Find the cost of milk which can completely fill the bucket at the rate of ₹ 20 per litre and the cost of metal used, if its cost ₹ 10 per 100 cm^2 (pi = 3.14) .

An oil funnel made of tin sheet consists of a 10cm long cylindrical portion attached to a frustum of a cone.If the total height is 22cm,diameter of the cylindrical portion is 8 cm and the diameter of the top of the funnel is 18 cm,find thev area of the tin sheet required to made the funnel(seeFig.13.25).

A bucket is in the form of a frustum of a cone with capacity of 12,308.8 cm^3 of water. The radii of the top and bottom circular ends are 20 cm and 12 cm respectively. Find the height of the bucket and the area of the metal sheet used in its making (pi = 3.14) .

If the radii of the circular ends of a conical bucket of height 45 cm be 28 cm and 7 cm, find the capacity of the bucket. (pi = 22/7) .