Problem
COM-B1-M02-P010 Neighbors at a Round Table
#10
★★☆☆☆ Level 2 of 5
In how many ways can \(6\) people sit at a round table if two specified people must sit together?
Glue the pair and use circular permutation.
The pair forms a block. There are \(5\) objects around a circle, arranged in \((5-1)!=24\) ways. The block has \(2\) internal orders. Answer: \(48\).
Circular version of the block method.