How many ways can 3 dating couples be seated in a row of 8 chairs if no one sits in between other couple?
How many ways can 3 dating couples be seated in a row of 8 chairs if no one sits in between other couple?
How many ways can 3 dating couples be seated in a row of 6 chairs if no one sits in between other couple?
How many ways are there to cover 2 chairs of a row of 8 chairs?
not sure sorry
not sure sorry
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