GMAT Question of the Day (Sep 23): Algebra and Critical Reasoning

By - Sep 23, 02:00 AM Comments [0]

Math (DS)

If Z is an integer, what is the value of Z ?

1. Z^2 \le 0
2. Z^3 \le 0

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Verbal (CR)

It’s time we stopped searching for new statistics to suggest that we are not spending enough on education. In fact, education spending increased 30 percent overall during the last decade.

Which of the following, if true, would most weaken the argument above?

(A) Despite increased spending on education, enrollment in our elementary and secondary schools declined about 4 percent during the last ten years.
(B) Our spending on gasoline increased more than 100 percent during the last decade.
(C) When adjusted for inflation, our per-pupil expenditure on education this year is less than it was ten years ago.
(D) Eleven other economically developed nations spend more on education than we do.
(E) The achievement levels of our students have been declining steadily since 1960, and the last decade produced no reversal in this trend.

Answers to the questions: A, C
For explanations please see these threads: math and verbal

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