Correct option is C
- Deepak left his office and walked towards East for 5 km and
- Then turned left and walked for 12 km to reach his home.
- Madan, who works in the same office, left the office and walked towards West for 5 km and
- Then turned left and walked for 12 km to reach his home.

Shortest distance =
Shortest distance =
Shortest distance = 13 km + 13 km