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Class 11 Mathematics Permutations and Combinations PermutationsMedium

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In how many ways can a necklace be made with (8) distinct beads if flipping is also considered the same?

Answer and explanation

Correct answer: (2520)

In a necklace, both rotation and reflection are the same, so (\frac{(8-1)!}{2}=2520). In exams, reduce reflections for necklaces.

Related tags

Permutations Necklace Reflection Permutations And Combinations Mathematics Class 11 Mcq

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