The internal and external diameters of a hollow hemispherical vessel are 24cm and 25cm respectively. The cost to paint `1c m^2` the surface is Rs. 0.05. Find the total cost to paint the vessel all over. `(u s epi=(22)/7)`

The internal and external diameters of a hollow hemispherical vessel are 24cm and 25cm respectively.The cost to paint 1cm^(2) the surface is Rs.0.05. Find the total cost to paint the vessel all over.(use pi=(22)/(7))

The internal and external diameters of a hollow hemispherical vessel are 21 cm and 25.2 cm respectively. The cost of painting 1\ c m^2 of the surface is 10 paise. Find the total cost to paint the vessel all over.

The internal and external diameters of a hollow hemi-sphereical vessel are 24cm and 25cm respectively.The cost of paint one sq.cm of the surface is 7 paise.Find the total cost to paint the vessel all over.Find the total cost to edge).

The internal and external diameter of a hollow hemispherical vessel are 20 cm and 28 cm respectively. Find the cost of painting the vessel all over at 35 paise by cm^(2)

The internal and external diameters of a hollow hemispherical bowl are 18 cm and 22 cm, respectively. The total surface area (in cm^(2) ) of the bowl is:

The internal and external diameters of a hollow hemi spherical vessel are 20 cm and 28 cm, respectively. Find the cost of painting the vessel at the rate of 14 paise per cm^(2) .

The internal and external radii of a hollow hemispherical bowl are 20 cm and 23 cm, respectively. What is the total surface area (in cm^(2) ) of the bowl?

The radii of internal and external surfaces of a hollow spherical shell are 3 cm and 5 cm respectively. It is melted and recast into a solid cylinder of diameter 14 cm. Find the height of the cylinder.

The external and internal diameters of a hemispherical bowl are 10cm and 8cm respectively.What is the total surface area of the bowl? (a) 257.7cm2 (b) 286cm2 (c) 292cm2 (d) 302cm2

The internal and external radii of a hollow sphere are 3 cm and 5 cm respectively. The sphere is melted to from a solid cylinder of height 2""2/3cm . Find the diameter and the curved surface area of the cylinder.