Two men Aman and Nikhil start from the same point. Aman walks 10 km north, then turns east and walks 5 km, then turns to his left and walks 6 km. Nikhil walks 8 km east, then turns north and walks 15 km, then turns to his left and walks 3 km. Where is Nikhil standing now with respect to the current position of Aman?