Unit 12 · Multi-Step Conditional Reasoning

School Programming Selection — Who Gets In?

Lesson 6 of 30

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About this lesson

When a rule has two different tracks depending on a person's situation, the first step is always to identify which track applies — then the only failure reason is whatever that track requires.

Chapters

0:00Introduction
0:22Question
1:12Strategy
1:58Step 1: Map the two tracks — which one applies to Jun?
2:40Step 2: Jun failed — what must the reason be?
3:46Correct answer

Question

Jun's school was selecting students for a new course in computer programming. As well as considering their existing knowledge of computer programming, the school set them a maths test and a chess challenge.

If a student had at least some existing knowledge of programming, then they only had to pass the maths test. If they had none, then they either needed to get an excellent score on the maths test, or do well in both the maths test and the chess challenge.

Jun is an experienced computer programmer but failed to get a place on the course. What must have been the reason?

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