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| 1. |
20 persons were invited to a party. Inhow many ways can they and the hostbe seated at a circular table? In howmany of these ways will two particularpersons be seated on either side of thehost. |
| Answer» 20 persons were invited to a party. Inhow many ways can they and the hostbe seated at a circular table? In howmany of these ways will two particularpersons be seated on either side of thehost. | |