Question: A train is moving at 90 km/h and a passenger inside walks towards the front of the train at 5 km/h. What is the passenger\'s speed relative to the ground?
Options:
Correct Answer: 95 km/h
Solution:
The passenger\'s speed relative to the ground is the speed of the train plus the speed of the passenger: 90 km/h + 5 km/h = 95 km/h.