Question 7

image/svg+xml 5 20 -20 120 ?
What is the next number in this sequence?


You can find the second number in the sequence by applying the following transformation to the first number: *4 You find the third number in the sequence by applying the following transformation to the second number: *-1 You can see that this is not the same number. Every step the number in the transformation changes with -5
image/svg+xml 5 20 -20 120 ? *4 *-1 *-6 *-11 -5 -5 -5

Question statistics

Question ID: ZRP9DunD
Main category: Numerical Reasoning
Sub category: Number sequences
Difficulty Level: 18What is item difficulty?
Nr of times answered: 1259
Average IQ of people who answered this question: 119.96
Percentage of answers correct: 40.91%
Item Response Theory (IRT)What is Item Response Theory?
Item difficulty: 18 / 20What is item difficulty?
Discrimination: 2.01 What is item discrimination?
Point of Maximum Information: 125.25 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 1259 individual test takers who have answered this question.
Distractor AnalysisWhat is distractor analysis?
Average IQ of people who gave the correct answer: 123.10 Why does the average IQ of people who answer the questions differ per question?
Average IQ of people who gave an incorrect answer: 117.49

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