## Question 28

What is the next number in this sequence?

### Explanation

In this sequence there are actually two sequences. 1 sequence for the numbers in odd positions (1,3,5 enz) and one sequence for the numbers in the even positions (2,4,6 enz.) The following applies to the numbers in the odd positions:
You find the next number in the sequence by applying the following transformation: *9 and next to that also the following transformation: -9 Take a good look at the figure with the transformations!
VThe following applies to the numbers in the even positions:
You can find the second number in the sequence by applying the following transformation to the first number: -8 You find the third number in the sequence by applying the following transformation to the second number: -9 You can see that this is not the same number. Every step the number in the transformation changes with -1

### Question statistics

Overview
Question ID: a6ctSLrd
Main category: Numerical Reasoning
Sub category: Number sequences
Difficulty Level: 18What is item difficulty?
Average IQ of people who answered this question: 126.97