Answers IQ test

Question 20

320 16 4 5 200 10 ? 4
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Which number should replace the question mark?

Explanation

The number in the middle of the first triangle is found with the folowing calculation: 320 / 16 / 4 = 5
The number in the middle of the second triangle is found with the folowing calculation: : 200 / 10 / 5 = 4
Therefore the question mark should be replaced with the number: 5

Question statistics

Overview
Question ID: 5EEbd5ZJ
Main category: Numerical Reasoning
Sub category: Math triangles
Difficulty Level: NoneWhat is item difficulty?
Nr of times answered: 1154
Percentage of answers correct: 53.03%
Item Response Theory (IRT)What is Item Response Theory?
Item difficulty: None / 20What is item difficulty?
Discrimination: 1.24 What is item discrimination?
Point of Maximum Information: 107.46 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 1154 individual test takers who have answered this question.

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