Five people are to be arranged in a row for a group photograph. How many arrangements are there if a married couple in the group insist on sitting next to each other?

Five people are to be arranged in a row for a group photograph. How many arrangements are there if a married couple in the group insist on sitting next to each other?

A 48
B 24
C 20
D 10

jamb 1992 mathematics

The correct answer is B. 24

= \((n - 1)!\) ways.

= \((5 - 1)! \) ways

= 24 ways.

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