Civil Service Exam Reviewer · Logical Reasoning · hard

Carla starts at the school gate, walks 6 km west, then turns left and walks 1 km, then turns left and walks 10 km, and finally turns left and walks 4 km. Which direction is Carla facing at the end?

  1. East
  2. South
  3. West
  4. North

Answer

D. North

Solution

Track the facing direction: each right turn rotates 90° clockwise (north → east → south → west) and each left turn rotates 90° counterclockwise. After the last turn, Carla faces north.

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