Problem
COM-B1-M02-P005 Two Together
#5
★☆☆☆☆ Level 1 of 5
In how many ways can \(6\) people stand in a row if two specified people must stand together?
Glue the two specified people into a block.
The block and \(4\) other people make \(5\) objects, arranged in \(5!\) ways. The block has \(2\) internal orders. Answer: \(2\cdot5!=240\).
First block method.