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There are eight rooms on the first floor of a hotel, with four rooms on each side of the corridor,symmetrically situated (that is, each room is exactly opposite to one another room).Four guests have to be accommodated in four of the eight rooms (that is,one in each) such that no two guests are in adjacent rooms or in opposite rooms .In how many ways can the guests be accommodated?

Note by Vilakshan Gupta
2 months ago

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