Mathematics, 25.10.2019 00:43 SweetBriar
In how many ways can 8 people be seated in a row if (a) there are no restrictions on the seating arrangement? (b) persons a and b must sit next to each other? (c) thereare4menand4womenandno2menor2wo men can sit next to each other? (d) there are 5 men and they must sit next to one another? (e) there are 4 married couples and each couple must sit together?
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