Each questions carries 20% but scores are lost for incorrect attempts.
Helpful hint:
Area = l x b
Volume = l x b x h
Surface Area = 2l + 2b + 2h
where l = length, b = breadth, h = height
Find the volume of a rectangular block with dimensions 6cm, 5cm, 4cm.
24 cubic cm
20 cubic cm
120 cubic cm
240 cubic cm
The volume of a large rectangular water storage block is 480 cubic metres. Its length is 12 metres and its breadth is 8 metres. Calculate its height.
14 metres
5 metres
10 metres
8 metres
Calculate the surface area of the large storage block in Question 2.
360 square metres
392 square metres
96 square metres
40 square metres
An open rectangular oil tank (no top) is full of oil. The volume of the oil in the tank is 2.4 litres. If its length is 20cm and its breadth is 15cm, find its height in cm. (1 litre = 1000 cubic cm).
8 cm
10 cm
14 cm
1 litre
Calculate the surface area of the oil tank in Question 4.