A) \[10\ !\]
B) \[9\ !\]
C) \[2(9\ !)\]
D) \[\frac{9\ !}{2}\]
Correct Answer: D
Solution :
A garland can be made from 10 flowers in \[\frac{1}{2}(9\,!)\] ways. {\[\because \] n flowers' garland can be made in \[\frac{1}{2}(n-1)\,!\]ways}
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