20 persons were invited to a party. In how many ways, they and the hos – McqOptions

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1.	20 persons were invited to a party. In how many ways, they and the host can be seated at a circular table ?
A.	18 !
B.	19 !
C.	20 !
D.	Couldn't be determined
E.	None of the above
Answer» D. Couldn't be determined

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