Discussion
What is E’s position with respect to C?
Answer: B
Correct answer: On the immediate left
Facing the centre, each friend’s left is the next seat clockwise and their right the next seat anticlockwise. Fix B; G takes the seat on B’s right, E sits three to G’s left, and A three to B’s right. Of the two ways to place F with H two seats to F’s right, only one keeps F away from E; and of the last two seats, D must take the one that does not touch B. Clockwise the circle reads B → C → E → D → H → A → F → G.
C’s left is the next seat clockwise, and E occupies it. The arrangement is fully determined, so the position is not in doubt.
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