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AMO 2027 Grades 9-11 SET 4 - Self-study Question 3

AMO · AMO 2027 Grades 9-11 SET 4 - Self-study

Question 3

The positive whole numbers are arranged five at a time in each row as shown, with the direction alternating from row to row. What is the sum of the row number and the column number containing 2019? Rows and columns are numbered starting at 1.

Question illustration

Choose one option.
  1. 404
  2. 406
  3. 403
  4. 405
  5. 408