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Question

Question: In how many ways 20 different coloured flowers can be made into a garland....

In how many ways 20 different coloured flowers can be made into a garland.

A

∠19/2

B

∠20/2

C

∠19

D

∠20

Answer

∠19/2

Explanation

Solution

By Sympson’s (n−1)!2= 6mu(20−1)!2=(19)!2\frac{(n - 1)!}{2} = \mspace{6mu}\frac{(20 - 1)!}{2} = \frac{(19)!}{2}