## Question 27

Which number should replace the question mark?

### Explanation

The number in the middle of the first triangle is found with the folowing calculation: (33 - 2) * -6 = -186
The number in the middle of the second triangle is found with the folowing calculation: : (2 - -10) * 18 = 216
Therefore the question mark should be replaced with the number: 216

### Question statistics

Overview
Question ID: dVfoQ9SP
Main category: Numerical Reasoning
Sub category: Math triangles
Difficulty Level: 20What is item difficulty?
Average IQ of people who answered this question: 135.16
Item Response Theory (IRT)What is Item Response Theory?
Item difficulty: 20 / 20What is item difficulty?
Discrimination: 3.83 What is item discrimination?
Point of Maximum Information: 134.76 What is Point of Maximum Information?
##### Item Characteristic Curve (ICC)
Distractor AnalysisWhat is distractor analysis?
Average IQ of people who gave the correct answer: 142.45
Average IQ of people who gave an incorrect answer: 124.50
Response Time Analysis
Optimal time to spend on question: 39 seconds What is the optimal response time?
##### Optimal time to spend on question

Time spent: you used 16 seconds to answer this question