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MathNet 2017-part-01 — 176 problems (EN–VI) Question 128

Math Olympiad Vault · MathNet 2017-part-01 — 176 problems (EN–VI)

Question 128

Each of the numbers $1,2,3, \ldots, 25$ is placed in one of the cells of a $5 \times 5$ board. In each row, they appear in increasing order from left to right. Find the maximum and minimum possible values of the sum of the numbers in the third column.