The maximum number of persons in a country in which no two persons have an identical set of teeth assuming that there is no person without a tooth is

Having two eyes gives a person :

The number of different ways in which 8 persons can stand in a row so that between two particular person A and B there are always two person, is

The number of different of different ways in which 8 persons can stand in a row so that between two particular persons A and B there are always two persons, is

The number of different of different ways in which 8 persons can stand in a row so that between two particular persons A and B there are always two persons,is

The mirror used by a dentist to examine the teeth of a person is :

In a city no two person have identical set of teeth and there is no person without a tooth. Also no person has more than 32 teeth. If two disregard the shape and size of tooth and consider only the positioning of the teeth, then the maximum population of the city is :

In a city no two persons have identical set of teeth and there is no peson without a tooth. Also no person has more than 32 teeth. If we disguard the shape and size of tooth and consider only the positioning of the teeth, the maximum population of the city is