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In how many ways a garland can be made b...

In how many ways a garland can be made by using 15 different flowers.

Text Solution

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Fixing the position of one flower, the remaining flowers can be arranged in 7! Ways.
But there is no distinction between the clockwise and anticlockwise arrangements.
So the required number of arrangements
`= (1)/(2) xx 7! = (1)/(2) xx 5040 = 2520`
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