A) 2520
B) 2880
C) 5040
D) 4320
Correct Answer: A
Solution :
8 different beads can be arranged in circular form in (8 - 1)! = 7! ways. Since there is no distinction between the clockwise and anticlockwise arrangement. So the required number of arrangements = \[\frac{7\,!}{2}\,\,=\,\,2520.\]
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