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 =6×5×4×3×2)/2 =360.

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