新GRE网考样题A(txt)

Question 7
　　Quantity A: The standard deviation of a set of five different integers each of which is between zero and ten
　　Quantity B: The standard deviation of a set of five different integers each of which is between ten and twenty
　　Answer choice A - Quantity A is greater.
　　Answer choice B - Quantity B is greater.
　　Answer choice C - the two quantities are equal.
　　Answer choice D - the relationship cannot be determined from the information given.
　　From the answer choices given, select and indicate the one that describes the relationship between quantity A and quantity B.
Question 8
　　It is given that x is greater than 1.
　　Quantity A:  x times, open parenthesis, x squared, close parenthesis, to the fourth power
　　Quantity B: open parenthesis, x cubed, close parenthesis, to the third power
　　Answer choice A - Quantity A is greater.
　　Answer choice B - Quantity B is greater.
　　Answer choice C - the two quantities are equal.
　　Answer choice D - the relationship cannot be determined from the information given.
　　From the answer choices given, select and indicate the one that describes the relationship between quantity A and quantity B.
Question 9
　　It is given that x is not equal to zero.
　　Quantity A:  The absolute value of x, plus the absolute value of negative two
　　Quantity B:  The absolute value of the quantity x minus two
　　Answer choice A - Quantity A is greater.
　　Answer choice B - Quantity B is greater.
　　Answer choice C - the two quantities are equal.
　　Answer choice D - the relationship cannot be determined from the information given.
　　From the answer choices given, select and indicate the one that describes the relationship between quantity A and quantity B.
Question 10
　　It is given that 7x plus 3y is equal to 12, and (pause) 3x plus 7y is equal to 8
　　Quantity A: x minus y
　　Quantity B: 1
　　Answer choice A - Quantity A is greater.
　　Answer choice B - Quantity B is greater.
　　Answer choice C - the two quantities are equal.
　　Answer choice D - the relationship cannot be determined from the information given.
　　From the answer choices given, select and indicate the one that describes the relationship between quantity A and quantity B.
　　Question 11 has five answer choices, labeled A through E.  Select all of the  answer choices that are correct. The correct answer to a question of this type could consist of one, two, three, four, or all five of the answer choices.
Question 11
　　In triangle ABC, the measure of angle A is 25 degrees and the measure of angle B is greater than 90 degrees.  Which of the following could be the measure of angle C ?
　　Indicate all possible values.
　　A. 12 degrees
　　B. 15 degrees
　　C. 45 degrees
　　D. 50 degrees
　　E.  70 degrees
　　Select and indicate all of the answer choices that are correct. The correct answer to a question of this type could consist of one, two, three, four, or all five of the answer choices.
　　Question 12. In this question, you are given information, five answer choices, and a statement with two blanks. Select from among the five answer choices to "fill in the blanks" in the statement so that the resulting statement is true.
　　A correct answer to this type of question must have a different answer choice in
each of the two blanks. A question of this type can have more than one correct answer.  If a question of this type has more than one correct answer, you are required to give only one of the correct answers. 
Question 12
　　Refer to the figure supplement
　　The table accompanying this question shows the distribution of prices of 45 houses for sale in a certain region. The table consists of two columns.  The first column is labeled: "House Prices " and the second column is labeled "Number of Houses".
　　You will be asked to fill in the following statement: If the highest price of the 45 houses is, BLANK ONE, then the range of the prices of the 45 houses is, BLANK TWO.
　　The information in the table is as follows:
　　For house prices from one-hundred thousand dollars to one-hundred-thirty-three thousand dollars, the number of houses is 12.
　　For house prices from one-hundred-thirty-four thousand dollars to one-hundred-sixty-six thousand dollars, the number of houses is 25.
　　For house prices from one-hundred-sixty-seven thousand dollars to one-hundred-ninety-nine thousand dollars, the number of houses is 8.
　　Select two of the following answer choices and place them in the blanks so that the
　　resulting statement is true.
　　Answer choice A: one-hundred-seventy-five thousand dollars
　　Answer choice B:  one-hundred-eighty-five thousand dollars
　　Answer choice C:  one-hundred-ninety thousand dollars
　　Answer choice D:   at most forty-two thousand dollars
　　Answer Choice E:    at least fifty-seven thousand dollars
　　Again, the statement to be filled in is: If the highest price of the 45 houses is, BLANK ONE,  then the range of the prices of the 45 houses is, BLANK TWO.
　　Choose one answer choice to place in BLANK one and a different answer choice to place in BLANK 2 so that the blanks in the statement have been filled in and the resulting statement is true.