if we consider them as 7 persons, still there is no reference for the first person/group. shouldn't the ways of arranging 7 persons in a circle be (n-1)!, and so the final answer should be 6! * 4!
Reply from Admin:
Thanks for pointing out the error in solution. We have made the necessary change.
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if we consider them as 7 persons, still there is no reference for the first person/group. shouldn't the ways of arranging 7 persons in a circle be (n-1)!, and so the final answer should be 6! * 4!
Thanks for pointing out the error in solution. We have made the necessary change.