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(8) distinct people are to be seated in a circle. How many circular arrangements have three particular people sitting consecutively?

Answer and explanation

Correct answer: (4320)

Treat the three people as one block; (6) units around a circle give (5!), and the block has (3!) internal orders. Circular blocks reduce the number of units.

Related tags

PermutationsClass11ExpertCircular BlockPermutations And CombinationsMathematicsClass 11 Mcq

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