Question 12
In a line, there is at least one girl and at least one boy. Two children with exactly 4 or 7 other children between them are of the same gender. What is the maximum number of children in this line?
IMAS 2021 — Upper Primary Grades 5–6 — Round 2 Question 12
IMAS · IMAS 2021 — Upper Primary Grades 5–6 — Round 2