Question

Facing south A start his journey and make turnings towards the left and right in the sequence given below. Which sequence will finally lead A to a direction other than the south?

• A. left, right, left, right, left, right
• B. left, right, right, left, left, right
• C. left, left, right, left, left, right
• D. right, right, right, left, left, left

Answer 1

Answer:

C. left, left, right, left, left, right

The sequence of turns that will finally lead A to a direction other than the south is:
Left, Left, Right, Left, Left, Right.

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When a person turns, a Left turn changes their direction $90^\circ$ counter-clockwise, and a Right turn changes it $90^\circ$ clockwise.

1. 1st Turn (Left): Changes direction from South to East.

2. 2nd Turn (Left): Changes direction from East to North.

3. 3rd Turn (Right): Changes direction from North back to East.

4. 4th Turn (Left): Changes direction from East back to North.

5. 5th Turn (Left): Changes direction from North to West.

6. 6th Turn (Right): Changes direction from West to North.