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AMO 2027 Grades 8-9 SET 10 - Self-study Question 9

AMO · AMO 2027 Grades 8-9 SET 10 - Self-study

Question 9

The positive integers are arranged in rows and columns as shown below.

Question illustration

More rows continue to list the positive integers in order, with each new row containing one more integer than the previous row. How many integers less than 2000 are in the column that contains the number 2000?