Incorrect
Explanation
In the back. The train will be accelerating so it will be going faster when the back of the train enters the tunnel, so a person in the back will spend less time in the tunnel.
Solve this puzzle
The dog is eight times shorter than the giraffe which is 14 feet taller than the dog. Find the height of the dog.
1.5 feet 2 feet 2.5 feet 0.5 feet