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GMAT Question of the Day (June 17)

Jeff 0

Math

Is the product abcd even?
(1) a^2 + b^2 + c^2 + d^2 = 0

(2) a = b = c = d

Question Discussion & Explanation
Correct Answer - A - (click and drag your mouse to see the answer)
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Verbal

The climbing season of 2006 was the deadliest on record for those attempting to conquer Mount Everest, the world’s tallest mountain, as more people perished attempting to reach the summit in 2006 than in any other year. Interestingly, most mountaineering experts attribute the high number of fatalities, almost all of which occurred in the unforgiving “death-zone” above 26,000 feet, directly to the exceptionally good weather prevalent during the 2006 climbing season.

Which of the following, if true, best helps to explain the conclusion of the mountaineering experts?

A. All of the forecasts were for extremely bad weather; the good weather was a significant surprise to all of the climbers.

B. The good weather prompted significantly more people than ever to try to reach the summit and enter the “deathzone,” many of whom would have turned back at a lower altitude in poorer weather.

C. The good weather caused the “death-zone” to have warmer temperatures and less intense winds than in recent years.

D. Modern equipment is particularly effective in protecting climbers from the elements in bad weather.

E. Many accomplished climbers don’t attempt Mt. Everest during good weather because they feel it is not a challenge.

Question Discussion & Explanation
Correct Answer - B - (click and drag your mouse to see the answer)

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