2. 外语
  3. For each of Questions 1 to 9, compare Quantity A and Quantity B, using additional information centered above the two quantities

For each of Questions 1 to 9, compare Quantity A and Quantity B, using additional information centered above the two quantities

admin2014-08-13  115
问题 For each of Questions 1 to 9, compare Quantity A and Quantity B, using additional information centered above the two quantities if such information is given. Select one of the following four answer choices and fill in the corresponding oval to the right of the question.
(A)Quantity A is greater.
(B)Quantity B is greater.
(C)The two quantities are equal.
(D)The relationship cannot be determined from the information given.
A symbol that appears more than once in a question has the same meaning throughout the question.

选项
答案C
解析 In this question you are asked to compare s2 with. Since it is given that st =, it follows that(st)2 =()2 , and s2t2 = 10. Dividing both sides of the equation s2t2 = 10 by t2, you get s2=. The correct answer is Choice C.
    You can look at this problem in another way. You can use the fact that st =to express Quantity A in terms of t. Since st =, it follows that s =, and Quantity A is equal to, which is the same as Quantity B. The correct answer is Choice C.
转载请注明原文地址:https://kaotiyun.com/show/lfkO777K
本试题收录于： GRE QUANTITATIVE题库GRE分类
0

GRE QUANTITATIVE

GRE

相关试题推荐
随机试题
最新回复(0)