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If E and F interchange their places, who will be second to the right of B?

  • A.F
  • B.C
  • C.D
  • D.Data inadequate
  • E.None of these

Answer: E

Correct answer: None of these

Facing the centre, each person’s left is the next seat clockwise and their right the next seat anticlockwise. Fix B; H sits two to B’s left and A three to B’s right. D may touch neither B nor H, which leaves only one seat for D once F is placed two seats to D’s left, and E takes the seat beside B. Clockwise the circle reads B → E → H → ? → D → A → F → ?, the two open seats being directly opposite each other. C is fourth to G’s right - which in a circle of eight means simply opposite - so C and G fill those two seats, but which takes which is not fixed.

After the exchange, F takes E’s old seat beside B and E takes F’s. Counting two seats to B’s right - anticlockwise - then gives the undecided seat and lands on E. E is not among the choices, so the answer is none of these.

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