Answers IQ test

Question 21

image/svg+xml 10 90 96 89 801 807 800 ?
What is the next number in this sequence?

Explanation

There is a varied pattern here. In the first step the transformation is *9, then the transformation is +6, then the transformation is -7 and then the transformation is *9again.
image/svg+xml 10 90 96 89 801 807 800 ? *9 +6 -7 *9 +6 -7 *9

Question statistics

Overview
Question ID: 9s5rJWav
Main category: Numerical Reasoning
Sub category: Number sequences
Difficulty Level: 15What is item difficulty?
Nr of times answered: 1960
Average IQ of people who answered this question: 116.28
Percentage of answers correct: 48.47%
Item Response Theory (IRT)What is Item Response Theory?
Item difficulty: 15 / 20What is item difficulty?
Discrimination: 1.85 What is item discrimination?
Point of Maximum Information: 118.44 What is Point of Maximum Information?
Item Characteristic Curve (ICC)
This Item Characteristic Curve shows the probability that a person with a given IQ level will correctly answer this question. This graph is based on the answers and the IQ levels of 1960 individual test takers who have answered this question.
Distractor AnalysisWhat is distractor analysis?
Average IQ of people who gave the correct answer: 119.57 Why does the average IQ of people who answer the questions differ per question?
Average IQ of people who gave an incorrect answer: 112.60

Time spent: you used 105 seconds to answer this question