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IKMC 2019 - Grades 9-10 - Set 2 - Self-study Question 18

IKMC · IKMC 2019 - Grades 9-10 - Set 2 - Self-study

Question 18

The digits of the seven-digit telephone number $\overline{aaabbbb}$ sum to the two-digit number $\overline{ab}$. Find a+b.
  1. 8
  2. 9
  3. 10
  4. 11
  5. 12