Suman drives 3 km towards north from point A. She takes a right turn and drives 4 km more. Then she takes another right turn and drives 3 km. Finally, she takes one more right turn and drives 6 km to reach point B. How far and towards which direction should she drive in order to reach point A again?
1
2 km towards south
2
3 km towards north
3
3 km towards west
4
2 km towards east