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IKMC 2018 - Grades 11-12 - Set 2 - Self-study Question 3

IKMC · IKMC 2018 - Grades 11-12 - Set 2 - Self-study

Question 3

Positive integers a, b satisfy $2^a-2^b=992$. Find a+b.
  1. 15
  2. 16
  3. 17
  4. 31
  5. 32