The room is painted with green and yellow in the ration of `2:5` and if the total area of the four walls 280 sq. mts. Find areas with different colours.

The total surface area of a cube is 1350 sq.m Find its volume.

Find the total surface area of the cube with side 7.5 cm.

Area of four walls of a room is ___

Find the total surface area of a hemi-sphere of radius 2.8 cm.

Measure length,width and height of your classroom and find The total area of the room which is to be white washed.

The total surface area of hemisphere is 462 cm^2 . Find its radius.

The height of a rectangular stockroom is 5m and perimeter of its floor is 50m. Find the outer area of the four walls to be painted.

A wooden toy rocket is in the shape of a cone mounted on a cylinder as shown in the adjacent figure. The height of the entire rocket is 26 cm, while the height of the conical part is 6 cm. The base of the conical position has a diameter of 5 cm, while the base diameter of the cylindrical portion is 3 cm. If the conical portion is to be painted orange and the cylindrical portion is to be painted yellow, find the area of the rocket painted with each of these colour. (Take pi = 3.14)

In parallelogram the base and height are in the ratio of 5:2. If the area of parallelogram is 360m^2 , find its base and height.

Length of a rectangle is 2 units greater than its breadth. If the area of the rectangle is 120 sq. units then find its length.