A candidate initially faces South. He turns 270° right, then turns 180° left, then turns 90° right. Which direction is he facing at the end?

Step 1: Write the clockwise compass order North → East → South → West. | Step 2: Begin at South. Treat every 90° right as one clockwise step and every 90° left as one anticlockwise step. | Step 3: Apply the commands separately rather than adding their angles without direction: turns 270° right, then turns 180° left, then turns 90° right. | Step 4: The direction after each command is South → East → West → North. | Step 5: A 180° command reverses facing, while a 270° turn equals a 90° turn in the opposite sense. | Step 6: The last entry in the trace is North, so this is the final orientation. | Final Answer: Option D — North.