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  3. Some questions give you two quantities, Quantity A and Quantity B. Compare the two quantities and choose one of the following an

Some questions give you two quantities, Quantity A and Quantity B. Compare the two quantities and choose one of the following an

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问题 Some questions give you two quantities, Quantity A and Quantity B. Compare the two quantities and 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.
Note: Information and/or figures pertaining to one or both of the quantities may appear above the two columns. Any information that appears in both columns has the same meaning for both Quantity A and Quantity B.
You will also be asked Data Interpretation questions, which are grouped together and refer to the same table, graph, or other data presentation. These questions ask the examinee to interpret or analyze the given data. The types of questions may be Multiple-choice(both types)or Numeric Entry.

选项 A、 
B、 
C、 
D、 
答案A
解析 The correct answer is A. To solve this problem, let x be the radius of each racquetball. The height of the six racquetballs, then, is 12x, because the diameter is equal to 2x. The racquetballs are circles, so the circumference of each racquetball is 2πx. Quantity A, the sum of the circumferences of three racquetballs, is 6πx. The value of π is approximately 3.14, so 6πx will be greater than 12x, and Quantity A is greater than Quantity B.
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