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IKMC 2025 - Grades 11-12 - Self-study Question 17

IKMC · IKMC 2025 - Grades 11-12 - Self-study

Question 17

The five-digit number $\overline{N18NN}$ is divisible by 18. Which statement about digit N is true?
  1. Exactly one such N
  2. Exactly two such N
  3. Exactly three such N
  4. No such N
  5. More than three such N