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Question of the Day (June 27)

Jeff 0


Is the product of three integers , , and even?

(1) is odd

(2) is odd

Question Discussion & Explanation

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



From 2000 to 2010, beverage containers accounted for a steadily decreasing percentage of the total weight of domestic garbage in Brazil. The increasingly widespread practice of recycling aluminum and plastic was responsible for most of this decline. However, although aluminum recycling was more widely practiced in this period than plastic recycling, the total weight of plastic bottles in Brazil’s domestic garbage declined by a greater percentage during this time than the total weight of aluminum cans in Brazil’s domestic garbage.

Which of the following, if true in Brazil from 2000 to 2010, most helps to account for the apparent discrepancy?

(A) Consumers increasingly favored glass beverage containers over plastic ones.
(B) Plastic bottles were significantly heavier than aluminum cans of comparable size.
(C) Most recycled aluminum cans were beverage containers, but a significant fraction of recycled plastic bottles were not beverage containers.
(D) The total weight of plastic bottles purchased by Brazilians increased at a slightly faster rate than did the total weight of aluminum cans purchased by Brazilians.
(E) In Brazil, the total number of plastic bottles recycled between 2000 and 2010 was less than the total number of aluminum cans recycled during that time.

Question Discussion & Explanation

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

Bonus RC Question of the Day

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