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PIMSO 2023 - Mathematics - Grade 9 (Secondary 3) - National Round Question 26

PIMSO Maths · PIMSO 2023 - Mathematics - Grade 9 (Secondary 3) - National Round

Question 26

In how many ways can a family of five (2 parents and 3 kids) sit around a circular table such that the parents are sitting together?

Editorial note: Rotations count as the same seating; reflections count as different.