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AMO · 2027 · Grades 4-5 · Self-study SET 30 Question 11

AMO

Question 11

Five natural numbers are chosen from 1 to 45 and sum to 45. Let B be the largest of the five numbers. What is the largest possible value of B?

Clarification for this edition: the five chosen numbers must be distinct (no repetitions). The source does not explicitly state this condition.

Enter one whole number, without units.