Comprehension Passage
Directions: Two trains A and B are travelling in opposite directions from station X to station Y, and from station Y to station X respectively. The following graphs give the cumulative distance covered by the trains at hourly intervals, beginning with the first hour. Refer to the data and answer the questions that follow:
What is the ratio of average speed of train A to that of train B?
1
28: 33
2
25: 82
3
25: 29
4
35: 33
5
45: 48