Free Practice Question
PS · Problem Solving
605-655
Combinations
In a group of 40 friends attending a concert, they occupy a single row. Among them, there are eight pairs who wish to sit next to each other.
How many distinct arrangements can the friends have while ensuring each pair sits together?
How many distinct arrangements can the friends have while ensuring each pair sits together?
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DangApr 19, 2025
thanks!
Details
Difficulty
605-655
Type
PS
Category