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(8) people are to be seated around a circular table and two particular people must not sit together. In how many ways can this be done?

Answer and explanation

Correct answer: (3600)

Total circular arrangements are (7!) and adjacent cases are (2\cdot6!), so the answer is (7!-2\cdot6!). In circular order, fix one position.

Related tags

PermutationsClass11ExpertCircular PermutationPermutations And CombinationsMathematicsClass 11 Mcq

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