Question

10 people are seated to a 10 people spot in a row in the movies (a) How many different ways can they sit? (b) Suppose the 10 are five married couples who all want to sit with their spouses. How many ways can they sit? e) Suppose that Adam (one of the husbands) and Suzie (ane of the wives, not married to Adam) cannot stand each other. How many different sittings are there possible? (Each will still sit with their spouses.) (d) Mary and Allice are best friends and want to sit together (eachwl stil sit with her husband). How many different sittings are there possible? (e) How would your answers for (a-d) change if it was a round table seating? Explain why. (I am not looking for exact answers. Just comment whether your answers will increase or decrease)

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