21) How many kilometres is Perth from Adelaide?
22) Q8 What is the name of the public transport system in Perth?
23) Q9 How many local government areas are there in Perth?
24) Q10 How many suburbs are there in Perth?
25) Q11 What is the name of the main airport serving Perth?
26) Q12 What type of desert is found north of Perth?
27) Q13 How many universities are there located in Perth?