2022 RVHS P2 Q6

A wedding dinner table is round with \(10\) identical chairs surrounding it.

1. Two couples, a family of \(4\), and two singles are assigned to the table. Find the number of seating arrangements of the \(10\) people with each couple sitting together, the family sitting together, and the singles sitting apart.[3]
2. The newlyweds arrive at the table to take a photograph. The photographer asks everyone at the table to line up in two equal rows. Find the number of ways this can happen if the newlyweds are side-by-side in the front row.[3]