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Eight friends A, B, C, D, E, F, G and H are sitting around a circle facing the centre, but not necessarily in the same order. D sits third to left of A. A is an immediate neighbour of both F and H. Only one person sits between C and F. B is not an immediate neighbour of D. Only one person sits between B and G. Starting from A , if all the friends are made to sit in the alphabetical order in clockwise direction, the positions of how many (excluding A ) will remain unchanged ? |
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