question_answer

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

B)  west-north direction

C)  south-east direction

D)  None of the above

Correct Answer: B

Solution :

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