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  3. Each of Questions 1 to 7 presents two quantities. Quantity A and Quantity B. Com

Each of Questions 1 to 7 presents two quantities. Quantity A and Quantity B. Com

游客2024-01-12  59
问题 Each of Questions 1 to 7 presents two quantities. Quantity A and Quantity B. Compare the two quantities. You may use additional information centered above the quantities if such information is given. Choose one of the following answer choices:
A if Quantity A is greater;
B if Quantity B is greater;
C if the two quantities are equal;
D if you cannot determine the relationship based on the given information.
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选项 A、 
B、 
C、 
D、 
答案 A
解析 The correct answer is A. The best way to solve this problem is to pick numbers to substitute for a and b, keeping in mind that a must be greater than b, and b must be greater than 1. If you let a=3 and b=2, the quantity equals 4/3 while the quantityequals3/2. In this case Quantity A is greater than Quantity B. Further, if you let a=10 and b=9, the quantity equals 11/10, or 1.1, while the quantityequals 10/9, or approximately 1.111. Again in this case Quantity A is greater than Quantity B. Even though the difference between the quantitiesandgets smaller as a and b get larger, Quantity A is always greater than Quantity B.
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