A train travels 180 km. The highest speed of the train is 120 km/h, and the lowest speed is 40 km/h. The journey takes 3 hours3\text{ hours}3 hours.
What is the average speed for the journey?
40 km/h40\text{ km/h}40 km/h
60 km/h60\text{ km/h}60 km/h
80 km/h80\text{ km/h}80 km/h
120 km/h120\text{ km/h}120 km/h
204 exam-style questions on CIE IGCSE Physics Motion, covering Motion. Each one has a worked solution and a mark scheme showing where the marks go.