A train is moving towards east and a car is along north, both with same speed. The observed direction of car to the passenger in the train is

• A

  east-north direction
• Correct answer
  B

  west-north direction
• C

  south-east direction
• D

  None of the above

Solution

Let $O$ be the origin, then passenger in the train at $P$ observes the car at $Q$ along direction $P Q$, where direction $P Q$ is west north direction.

Hence, the correct answer is option: 'B'.