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Circular Permutation

☼ Circular Permutation : The total number of circular permutations of n distinct objects taken all at a time = $\frac{n!}{n}$ = ( n – 1 ) !

e.g. Find the total no. of arrangement of 5 persons on round table.

Soln. The total number of arrangement = ( 5 – 1 ) !

= 4 !

= 24