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GMAT Club

GMAT Question of the Day (January 23)

Jeff 0

Math

Is a+b+c even?

 

(1) a-c-b is even.

(2) \frac{a-c}{b} is odd

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

Math Revolution

Verbal

Transportation expenses accounted for a large portion of the total dollar amount spent on trips for pleasure by residents of the United States in 1997, and about half of the total dollar amount spent on the transportation was airfare. However, the large majority of United States residents who took trips for pleasure in 1997 did not travel by airplane but used other means of transportation. If the statements above are true, which of the following must also be true about United States residents who took trips for pleasure in 1997?

A) Most of those who traveled by airplane did so because the airfare to their destination was lower than the cost of other available means of transportation.

B) Most of those who traveled by airplane did so because other means of transportation to their destinations were unavailable.

C) Per mile traveled, those who traveled by airplane tended to spend more on transportation to their destination than did those who used other means of transportation.

D) Overall, people who did not travel by airplane had lower average transportation expenses than people who did.

E) Those who traveled by airplane spent about as much, on average, on other means of transportation as they did on airfare.

 

Question Discussion & Explanation

Correct Answer - D - (click and drag your mouse to see the answer)

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