Civil Service Exam Reviewer · Logical Reasoning · medium
Jun starts at the municipal hall, walks 6 km south, then turns left and walks 9 km, and finally turns right and walks 6 km. How far is Jun from the starting point?
- 21 km
- 17 km
- 3 km
- 15 km
Answer
D. 15 km
Solution
Adding up the legs: the net east–west movement is 9 km east, and the net north–south movement is 12 km south. Distance = √(9² + 12²) = 15 km.
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