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There are n seats round a table numbered...

There are n seats round a table numbered 1,2,3,....,n. The number of ways in which `m(le n)` persons can take seats in

A

`^nP_m`

B

`^nC_m xx (m - n) !`

C

`^(n - 1)P_(m-1)`

D

`^(n + 1)P_(m+1)`

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The correct Answer is:
A
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