Q1.The area of the courtyard is 3750m2. Find the cost of covering it with gravel to a height of 1 cm if the costgravel costs R.6.40 Per cubic meter.
Q2.A card board box is 1.2 m long,72cm wide and 54 cm high.How many bars of soap can be put into the cardboard box if each soap measures 6cm x 4.5cm x 4 cm.
Q3.A wall 15 m long,30 cm wide and 4 m high is made up of bricks,each measuring 22cm x 12.5 cm x 7.5cm.If 1/12 of the total volume of the wall consists of mortar,how many bricks are there in the wall?
Q4.Find the capacity of of a rectangular cistern in litres whose dimensions are 11,2m x 6m x 5.8m.Find the area of iron required to make cistern.
Q5,The volume of a block of gold is 0.5 m3.If it is hammered into sheet to cover an area of 1 hectare find the thickness of sheet,
Q6.The dimensions of a metal block are 2.25 m by 1.5 m by 27 cm,.It is melted to and recast into cubes,each of side 45 cm.How many cubes are formed.
Q7.A box with lid is made of wood which is 3 cm thick.It's external length,breadth and height are 56cm,39cmand 30 cm respectively.Find the capacity of the box.Also find the volume of wood used to make the box.
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