A wooden bookshelf has external dimensions as follows: `H e igh t"\ "="\ "110"\ "c m` , `D e p t h"\ "="\ "25"\ "c m` , `B r e a dt h"\ "="\ "85"\ "c m` (see Fig. 13.31). The thickness of the plank is 5 cm everywhere. The external faces are to be polished and inner faces are to be painted.rate of polishing 20 paise per `cm^2` and painting is `10 paise per cm^2`.Find the total expenses of painting.

A wooden bookshelf has external dimensions as follows: H e igh t=110c m ,D e p t h=25 c m ,B r e a dt h=85 c m (See Figure). The thickness of the plank is 5c m everywhere. The external faces are to be polished and the inner face are to be painted. If the rate of polishing is 20 p a i s e p e r c m^2 and if the rate of painting is 10 paise per cm^2 . Find total cost of expenses.

A wooden bookshelf has external dimensions as follows: Height = 10 cm, Depth = 25cm, Breadth = 85 cm (See in Figure). The thickness of the plank is 5 cm everywhere. The external faces are to be polished and the inner faces are to be painted. If the rate of polishing is 20 paise per c m^2 and the rate of painting is 10 paise per c m^2 . Find the total expenses required for polishing and painting the surface of the bookshelf.

A wooden bookshelf has external dimensions as follows: Height = 10 cm, Depth = 25cm, Breadth = 85 cm (See in Figure). The thickness of the plank is 5 cm everywhere. The external faces are to be polished and the inner faces are to be painted. If the rate of polishing is 20 paise per c m^2 and the rate of painting is 10 paise per c m^2 . Find the total expenses required for polishing and painting the surface of the bookshelf.

A wooden bookshelf has external dimensions as follows: Height = 10 cm, Depth = 25cm, Breadth = 85 cm (See in Figure). The thickness of the plank is 5 cm everywhere. The external faces are to be polished and the inner faces are to be painted. If the rate of polishing is 20 paise per c m^2 and the rate of painting is 10 paise per c m^2 . Find the total expenses required for polishing and painting the surface of the bookshelf.

A wooden bookshelf has external dimensions as follows : Height = 110 cm, Depth = 25 cm, Breadth = 85 cm (see the given figure). The thickness of the plank is 5 cm everywhere. The external faces are to be polished and the inner faces are to be painted. If the rate of polishing is 20 paise per cm^(2) and the rate of painting is 10 paise per cm^(2) , find the total expenses required for polishing and painting the surface of the bookshelf.

A wooden bookshelf has external dimensions as follows: Height =110 cm, Depth = 25 cm, Breadth = 85 cm. The thickness of the plank is 5 cm everywhere. The external faces are to be polished and the inner faces are to be painted. If the rate of polishing is 20 paise per cm^2 and the rate of painting is 10 paise per cm^2 .Find the total expenses required for polishing and painting the surface of the bookshelf.

A wooden bookshelf has external dimensions as follows: Height =110cm, Dept h=24cm, Breadth =85cm (See Figure).The thickness of the plank is 5cm everywhere.The external faces are to be polished and the inner face are to be painted.If the rate of polisheing is 20 paisepercm ^(2) find total cost of polishing

A rhombus sheet, whose perimeter is 32 m and whose one diagonal is 10 m long, is painted on both sides at the rate of Rs. 5\ p e r\ m^2 . Find the cost of painting.

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.