A man walks 10 km north, then 10 km west, then 10 km south. In which direction is he from the starting point, and how far?
- A. 10 km west ✓
- B. 20 km west
- C. 10 km north
- D. 10 km east
Correct answer
A. 10 km west
Explanation
The northward and southward legs cancel each other out, leaving only the 10 km westward leg, so he ends up 10 km west of the start.