Answers IQ test

Question 3

image/svg+xml -7 -7 -7/10 -7/80 -7/80 -7/800 ?
What is the next number in this sequence?


There is a varied pattern here. In the first step the transformation is /1, then the transformation is /10, then the transformation is /8 and then the transformation is /1again.
image/svg+xml -7 -7 -7/10 -7/80 -7/80 -7/800 ? /1 /10 /8 /1 /10 /8

Question statistics

Question ID: QHtN84Ce
Main category: Numerical Reasoning
Sub category: Number sequences
Difficulty Level: 4What is item difficulty?
Nr of times answered: 2605
Average IQ of people who answered this question: 99.85
Percentage of answers correct: 81.65%
Item Response Theory (IRT)What is Item Response Theory?
Item difficulty: 4 / 20What is item difficulty?
Discrimination: 1.61 What is item discrimination?
Point of Maximum Information: 66.08 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 2605 individual test takers who have answered this question.
Distractor AnalysisWhat is distractor analysis?
Average IQ of people who gave the correct answer: 102.15 Why does the average IQ of people who answer the questions differ per question?
Average IQ of people who gave an incorrect answer: 87.75
Response Time AnalysisWhat is response time analysis?
Optimal time to spend on question: 37 seconds What is the optimal response time?
Optimal time to spend on question
The graph illustrates the last 250 correct and incorrect answers to this question, as well as the time it took for test takers to arrive at the answer. Using this data, an average optimal time for answering the question is calculated. However, it should be noted that the optimal time may vary for individual test takers.

Time spent: you used 55 seconds to answer this question