The IQ test was pretty jokes until the last question
This one got me stumped.
Puzzling Stack Exchange is a question and answer site for those who create, solve, and study puzzles. It only takes a minute to sign up.Sign up to join this community
The answer might (there is often multiple solution in these kind of questions) be
How about this:
1: there is an integer sequence capturing the number of total coloured squares: 4-3-4-4-3-3
2: there is an integer sequence capturing the maximum number of connected coloured squares: 2-3-3-4-2-3
3: there is an integer sequence that captures the number of connected coloured squares: 3-1-2-1-2-1 it is not clear how it progresses from there onwards but it is clear that there is an alternation between some integer k and 1.