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  • Find the number of ways in which 6 small baubles can be arranged to form a chain.Option: 1  60<div class='qna-

Find the number of ways in which 6 small baubles can be arranged to form a chain.

Option: 1

 60


Option: 2

 80


Option: 3

120

 


Option: 4

180


Answers (1)

best_answer

Let's put one small bauble in place. 

Now we must arrange the remaining 6 - 1 = 5 bauble. 

These five baubles can be arranged in a variety of^5P_5  configurations. Because there is no dependency on whether the baubles are arranged clockwise or anticlockwise. 

The number of ways required is  \frac{1}{2}\left ( 5! \right )=60\ ways.

Posted by

Rishabh

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