The floor of a building consists of 3000 tiles which are rhombus shaped. The diagonals of each of the tiles are 45cm and 30 cm. find the total cost of polishing the floor, if cost per `m^2` is ₹2.50.

The floor at a school consists of 100 tiles which are rhombus shaped to practice yoga. The diagonals of each rhombus are 150 cm and 175 cm. Find the total cost of polishing the floor if cost per m^2 is Rs12.

The floor of a building consists of around 3000 tiles which are rhombus shaped and each of its diagonals are 45 cm and 30 cm in length. Find the total cost of flooring if each tile costs rupees 20 per m^2 .

The floor of a building consists of around 2000 tiles which are rhombus shaped and each of its diagonals are 25 cm and 30 cm in length. Find the total cost of flooring if each tile costs rupees 10 per m^(2)

Find the area of a rhombus whose diagonals are oflength 10 cm and 8.2cm.

A solid is composed of a cylinder with hemi-spherical ends. If the whole length of the solid is 104 cm and the radius of each of the hemi-spherical ends is 7 cm, find the cost of polishing its surface at the rate of Rs. 10 per cm^2

The hemispherical dome of a building needs to be painted (see fig 1). If the circumference of the base of dome is 17.6 m, find the cost of painting it, given the cost of painting is Rs.5 per 100 cm^(2) .

A cylindrical box of radius 7m, height of 5 m is to be made. Determine the area of the sheet required for making the closed box and also find the cost of the sheet required, if it costs Rs. 30 per 1 m^2 .

In A Rhombus, if The Diagonals are d_1= 12 cm and d_2= x cm, and if Area = 72 sq.cm, then find the value of x .

A storage tank consists of a circular cylinder with a hemisphere stuck on either end. If the external diameter of the cylinder be 1.4 m. and its length be 8 m. Find the cost of painting it on the outside at rate of Rs. 20 per m^(2) .