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Q.
The number of ways in which $29$ persons be seated around a table if there are $9$ chairs, is
Permutations and Combinations
Solution:
In case of circular table, clockwise and anticlockwise arrangements are different, number of
circular permutations of $n$ different things taken $r$ at a time
$= \frac{^nP_r}{r}$
$\therefore $ Required arrangements $= \frac{^{29}P_9}{9}$