Unit 12 · Multi-Step Conditional Reasoning
Four Parrots — Peas and Apples Chain
Lesson 13 of 30
About this lesson
Four parrots, three rules about what they eat. Which conclusion must follow? Three of the options commit the inverse or converse fallacy. Only one chains two contrapositives correctly.
Chapters
Question
A bird sanctuary has four parrots: Cliff, Echo, Muse, and Sky. Staff at the sanctuary are keeping track of the treats the parrots like to eat.
They have found that if a parrot eats apples, it also eats carrots. If a parrot eats carrots, it also eats melons. No parrot that eats carrots also eats peas.
Based on the above information, which one of the following must be true?
Take your Selective prep further
- Sample questions & worked solutions across core Selective topics
- Digital exam simulator with interactive practice sets
- Personalised progress tracking across all your devices
Already have an account? Log in here
No payment required. Compare Selective plans
Give Your Child the Best Chance at Selective Entry
Join NSW families preparing their children for the Selective Schools Placement Test with the most realistic online Selective practice tests available. First tests free—no credit card required.
Claim Your Free Selective Practice Tests