Ravi walks 5 km north, then 3 km east, then 5 km south. How far is he from the starting point?
- 3 km
- 8 km
- 13 km
- 5 km
Show answer and solution
Correct answer: A. 3 km
North 5 km then south 5 km cancel (net 0 in N-S direction).
**Net displacement:** 3 km east.
**So 3 km from start.**