Question: A man walks 2 km towards North. Then he turns to East and walks 10 km. After this he turns to North and walks 3 km. Again he turns towards East and walks 2 km. How far is he from the starting point?
[A].10 km
13 km
15 km
None of these
[A].
[B].
[C].
[D].
Answer: Option B
Explanation: