Computer Science (High School) quiz

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In the procedure Mystery below, the parameter number is a positive integer. PROCEDURE Mystery (number) { REPEAT UNTIL (number <= 0) { number ← number - 2 } IF (number = 0) { RETURN (true) } ELSE { RETURN (false) } } Which of the following best describes the result of running the procedure Mystery?
In python 3, which of the following is floor division?
If a, b, and c are integers, which of the following conditions is sufficient to guarantee that the expression a < c || a < b && !(a == c) evaluates to true?

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