Comprehension Passage
Directions: The given line graph shows the upstream and downstream speed of the five different boats in different rivers.
Note:
Speed of the stream is different for each boats
If the speed of the stream traveling by boat D is increased by 50%, find the difference between the time taken by the boat to travel upstream and downstream to cover 180 km.
1
2 hours
2
4 hours
3
2.5 hours
4
3.5 hours
5
1.5 hours