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      Question

      In how many ways can 7 beads be arranged to make a

      necklace?
      A 256 Correct Answer Incorrect Answer
      B 130 Correct Answer Incorrect Answer
      C 120 Correct Answer Incorrect Answer
      D 360 Correct Answer Incorrect Answer

      Solution

      number of the total ways= (7-1)! /2 =6ร—5ร—4ร—3ร—2)/2 =360.

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