Also, you can often find multiple patterns to solve the same problem, which makes the test annoying.
Fun exercise: Find 2 different patterns that complete this "IQ" question
https://cdn.123test.com/iq-test/screenshots/2.png.. there is incomplete information here.. so such questions seem foolish to me.
For example, one way to proceed to find an unconventional answer is to find a polynomial that interpolates the first so many numbers at integer intervals, and let the next number be the y coordinate of the polynomial at time n+1
90
Fun fact: Poincare was so annoyed at such questions in his entrance exam to university that for each question he wrote the same answer: "this question has no unique solution". He was denied admission.
Edited 5/2/2018 00:10:35