Unit 8 · Detecting Reasoning Errors
Jarrah's Concert — Inverse Error Trap
Lesson 14 of 34
About this lesson
The teacher promises Autumn spots to students who missed Spring — but says nothing about Spring performers. Jarrah wrongly assumes the rule works in reverse. That silent gap is where his mistake hides.
Chapters
Question
Jarrah's music teacher has promised that any students who did not have a chance to perform in the Spring concert will definitely be chosen to play in the Autumn concert.
Jarrah said: "Well, I did perform in the Spring concert. So that means I definitely won't be chosen for Autumn. I'll have to find something else to do."
Which one of the following sentences shows the mistake Jarrah has made?
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