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IKMC 2027 - Grades 11-12 - Self-study SET 1 - Thematic Batch 3 Question 7

IKMC · IKMC 2027 - Grades 11-12 - Self-study SET 1 - Thematic Batch 3

Question 7

The sequence ($a_{n}$) begins with $a_{1}$=123. If $a_{n}$ is even, $a_{n+1}$=$a_{n}$/2+1; if $a_{n}$ is odd, $a_{n+1}$=$a_{n}$−5. What is $a_{2022}$?

Question illustration
  1. −2
  2. −1
  3. 0
  4. 1
  5. 5