A started on Monday morning for his office from his home in Mumbai. He first drove 4 km towards east and then turned right and moved for another 2 km and again he turn right and drove for another 2 km. From that very point he drive 1 km north and moved 2 km towards west. Then he is how far from the starting point and in which direction?
2 km east
2 km west
1 km south
None of these
1 km north