A washing tub in the shape of a frustum of a cone has height 21 cm. The radii of the circular top and bottom are 20 cm and 15 cm respectively. What is the capacity of the tub? `(pi=22/7)`

A bucket is in the form of a frustum of a cone and holds 28. 490 litres of water. The radii of the top and bottom are are 28 and 21 cm respectively. Find the height of the bucket.

The slant height of the frustum of the cone is 6.3 cm and the perimeters of its circular bases are 18 cm and 6 cm respectively. Find curved surface area of the frustum.

The radius and slant height of a cone are 4 cm and 25 cm respectively. Find the curved surface area of that cone. (pi = 3.14)

An oil funnel of tin sheet consists of a cylindrical portion 10 cm long attached to a frustum of cone. The diameters of the top and bottom of the frustum are 18 cm and 8 cm respecti8vely. If the slant height of the frustum of the cone is 13 cm, find the area of the tin required to make the funnel from the given information in the figure (pi=3.14)

If the radii of the conical frustum bucket are 14 cm and 7 cm, If its height is 30 cm, then find (ii) capacity of the bucket.

The curved surface area of the frustum of a cone is 180 sq cm and the circumference of its circular bases are 18 cm and 6 cm respectively. Find the slant height of the frustum of a cone.

Find the curved surface area of a frustum if the radii of the circular faces are 15 cm and 5 cm, and its slant height is 26 cm.

The radii of ends of a frustum are 14 cm and 6 cm respectively and its height is 6 cm. Find its (iii) Volume (pi = 3.14) .

The radii of the circular faces of the frustum are 20 cm and 12 cm respectively . If the height of the frustum is 15 cm , then find its slant height.

The radii of the top and bottom of a bucket of slant height 10 cm are 14 cm and 6 cm respectively. The curved surface area of the bucket is (pi = 3.14)