Study the information given below carefully and answer the questions that follow :
Ashok started from 'A' and walked 10 km eastwards to reach 'B', then turned to north and walked 3 km to reach 'C' and then turned west and walked 12 km to reach 'D' . He then again turned south and walked 3 km to reach'E'
How far is Ashok from his starting point ?
1) 2 km
2) 3 km
3) 1 km
4) 2.5 km
5) None of these

Explanation

1, 3 km