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IKMC 2006 - Grades 11-12 - Self-study Question 24

IKMC · IKMC 2006 - Grades 11-12 - Self-study

Question 24

How many nonempty subsets of{1, …, 12} have smallest+largest=13?
  1. 1024
  2. 1175
  3. 1365
  4. 1785
  5. 4095