Comprehension Passage
Directions: Study the graph to answer the questions that below:
Following line graph shows the length of train and length of platform crossed by a particular train.
The speed of train B is 6 m/s and the speed of train E is 20 m/s. Find the difference between the time taken by two trains to cross their respective platform
1
30 sec
2
20 sec
3
25 sec
4
15 sec
5
10 sec