Keeping a couple together

MediumCombinatorics~3m

Six people sit in a row of six seats. In how many arrangements do a specific two people sit next to each other?

Show hints (2)+
  1. Treat the pair as a single block.
  2. Multiply by 2 for their internal order.

Answer

Reveal answer →

240

Create a free account to see the full worked solution and track your progress.

Interview format: Betting Game Rounds, ETF Trading

Related questions