A person moves 30 m north and then 20 m towards east and finally 302 m in south-west direction. The displacement of the person from the origin will be
1) 10 m along north
2) 10 m long south
3) 10 m along west
4) 10 m along east
1) 10 m along north
2) 10 m long south
3) 10 m along west
4) 10 m along east