Prince starts from Point A and walks 6 km toward south, and then turns to the right, walks for 4 km. He takes a final turn to the left and walks 6 km. Now. in which direction is he from the starting place? (All turns are 90 degree turns only)

Given: Prince starts from Point A and walks 6 km toward south, and then turns to the right, walks for 4 km.

He takes a final turn to the left and walks 6 km. 

From the given information following path diagram can be drawn-

Now, he is in south-west direction from the starting place.

Thus, Option D is the correct answer.