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Each of Questions 1 to 7 presents two quantities. Quantity A and Quantity B. Compare the two quantities. You may use additional
Each of Questions 1 to 7 presents two quantities. Quantity A and Quantity B. Compare the two quantities. You may use additional
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2013-05-19
49
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.
选项
A、
B、
C、
D、
答案
D
解析
The correct answer is D. While it may seem obvious that 5a would be greater than a/5, consider the case when a<0. For example 5(-5)=-25 while
=-1. Thus when a>0, 5a is greater than a/5. However, when a<0, 5a is less than a/5. Therefore, you cannot determine the relationship between Quantity A and Quantity B based on the given information.
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