Fig 8.11 shows the distance time graph of three object a b and c How far and who is faster

Fig 8.11 shows the distance-time graph of three objects A,B and C. Study the graph and answer the following questions:
(a) Which of the three is travelling the fastest?
(b) Are all three ever at the same point on the road?
(c) How far has C travelled when B passes A?
(d) How far has B travelled by the time it passes C?
NCERT Science Class 9 Chapter 8 Question number 6 Numerical Solution.