1. A room measures 20 m X 12 m. It needs to be painted with an oil based clear finish. The coverage of oil finish is 6 m2 per litre. The tins of oil are available in 2-litre tins. How would you calculate the number of oil tins required?

2. Calculate the cost to lay the bricks and build a wall of height 20 m and length of 45 m. 50 bricks are required to build one square metre of wall. The cost to supply and lay the bricks is $ 150 per 500 bricks.

3. A bathroom floor needs to be tiled. The bathroom is in the shape of a square with side 10 m. The dimensions of the tiles are 5 m x 2m. Calculate the number of tiles required to complete the job.

4. The lawn has dimensions of 12 m and 15 m. To enhance the landscape, circle shaped artificial grass mats are fitted on the floor of the lawn. The radius of the grass mat is 2 m. 4 grass mats are used for the lawn. Calculate the floor area of the lawn covered by green mats and area of the remaining lawn.

5. The volume of 1 litre of adhesive is 3m3. You require a container to mix 20 litres of adhesive. You identified a box like container but not sure, where 20 litres of adhesive can be mixed in the container. You have measured that the container is in the shape of a cube with side of 6m. How would you find whether 20 litres of adhesive can be mixed in that container?