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BEBRAS 2021 Grade 9-10 Round 2 Ext Question 6

BEBRAS · BEBRAS 2021 Grade 9-10 Round 2 Ext

Question 6

Mat invites his friend Robert and two families. The Jones family consists of Papa Jones,Mama Jones,their son Harry and daughter Rose. The Gray family consists of Papa Gray,Mama Gray and daughters Lily,Daisy. Mat wants no two females adjacent, no spouses adjacent, and no child beside either of their own parents. Which circular seating plan works?

Question illustration
  1. Plan A
  2. Plan B
  3. Plan C
  4. Plan D