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AMO 2027 Grades 4-5 SET 6 - Self-study Question 7

AMO · AMO 2027 Grades 4-5 SET 6 - Self-study

Question 7

Which digit should replace X such that the 5-digit number $\overline{XX4XX}$ is divisible by 9?
  1. 5
  2. 6
  3. 7
  4. 8
  5. 9