IQ tests are full of bogus questions
Here is an 'easy' question that pops up on IQ tests:
Determine the next number in this sequence
1, 4, 9, 16, 25, ___
Obviously the pattern is n-squared
1^2 = 1
2^2 = 4
3^2 = 9
etc...
so the missing number is 6^2 = 36... right...