Math
If among 200 programmers working for an IT company, 30% know C++, 80% know Visual Basic, and 10% do not know either of these computer languages, in how many ways can a team of three programmers, all knowing both C++ and Visual Basic, be formed?
A. 2960
B. 3990
C. 6840
D. 8820
E. 9880
Question Discussion & Explanation
Correct Answer - E - (click and drag your mouse to see the answer)
Verbal
Brunhilda: Economists have predicted that our generation will be the first that cannot confidently look forward to having a better standard of living than that enjoyed by our parents.
Siegfried: That's simply untrue. My father's standard of living is nowhere near as high as his parents' was, and my own standard of living is already higher than that of my parents.
Which of the following best describes the error of reasoning contained in Siegfried's argument above?
A. It relies upon an unreasonable appeal to authority.
B. It assumes the truth of what it sets out to prove.
C. It offers an example that is not inconsistent with Brunhilda's argument.
D. It is based on an unproven speculation about future events.
E. It uses evidence of a correlation to argue the existence of a causal relationship.
Correct Answer - A - (click and drag your mouse to see the answer)
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