My oldest daughter is applying to a local magnate school for science and technology. It's a pretty famous school and I've hired numerous of their students as interns over the years - all of them exceptional people. The county is offering a test preparation course (free to the students in her school). The first session she got the following sheet to introduce the subject of logical reasoning to her and her cohorts, which though not strictly a word post, is pretty interesting.
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Session 2: Warm up
Logical Reasoning
All Seniors at The Academy take calculus and physics.
Some seniors take both courses. Rocky, a senior at
The Academy, is not taking physics. Based only on
the given information, which of the following MUST be
true?
I. Rocky is taking calculus.
II. Marsha, who is a senior, is taking calculus.
III. If John is taking calculus, then John is a senior.
a. I only
b. II only
c. I and II only
d. II and III only
e. I, II, and III
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