Unit 12 · Multi-Step Conditional Reasoning
TV Viewers Survey — Rule Chain
Lesson 17 of 30
About this lesson
Three survey rules, four options — three of them use the rules backwards or in reverse. The only answer that works traces a clean two-step chain: Volleyball → Skiing → NOT Gymnastics.
Chapters
Question
In a survey of television viewers, everyone who liked volleyball liked skiing. Everyone who liked skiing liked cycling, but no one who liked skiing liked gymnastics.
Darren, Amanda, Lee and Jess all took part in the survey.
Based on the information, which one of the following must be true?
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