Question

During a transit, three trains A, B, and C are moving at the same speed in the same direction adjacent to each other. Identify the train whose passengers would appear to be at rest to the ones sitting in train B.

• A. Train A
• B. Train B
• C. Train C
• D. All of the above

Answer 1

The correct option is D All of the above

All the trains are moving together at the same speed in the same direction.
From the point of view of the passengers sitting in train B:

• Everyone in train B appears to be at rest.
• The passengers inside trains A and C also appear to be at rest.