新GRE网考样题A(txt)

Question 19
　　Approximately how many million dollars more did the wholesale sector contribute to
　　the arts in 1988 than in 1991 ?
　　A. ten point four
　　B. twelve point six
　　C. fourteen point zero
　　D. sixteen point five
　　E. nineteen point two
　　Select and indicate the best one of the answer choices given.
Question 20 
　　From 1988 to 1991, which corporate sector decreased its support for the arts by the greatest dollar amount?
　　A.  Services
　　B.   Manufacturing
　　C.  Retail
　　D.  Wholesale
　　E.  Other
　　Select and indicate the best one of the answer choices given.
Question 21
　　Of the retail sector’s 1991 contribution to the arts, one-fourth went to symphony orchestras
　　and one-half of the remainder went to public television.  Approximately how many million
　　dollars more did the retail sector contribute to public television that year than to symphony orchestras?
　　A. five point two
　　B. six point three
　　C. ten point four
　　D. thirteen point zero
　　E. nineteen point five
　　Select and indicate the best one of the answer choices given.
　　Question 22. In this question you are given information and three equations.  For each of the equations you  are asked to determine whether the equation must be true, must be false, or could be either true or false.
　　In this question, the symbol "star" denotes an operation on two numbers.
Question 22
　　It is given that the symbol star represents one of the four operations of addition, subtraction, multiplication, and division, and 3, star, one, equals 3.
　　The first equation is 6, star, 2, equals 3.
　　Answer choice A: the equation must be true,
　　answer choice B: the equation must be false, and
　　answer choice C: the equation could be either true or false.
　　The second equation is 6, star, 2, equals 4.
　　Answer choice A: the equation must be true,
　　answer choice B: the equation must be false, and
　　answer choice C: the equation could be either true or false.
　　The third equation is 6, star, 2, equals 12.
　　Answer choice A: the equation must be true,
　　answer choice B: the equation must be false, and
　　answer choice C: the equation could be either true or false.
　　Choose one answer choice for each of the three equations.
　　Question 23 does not have any answer choices. To answer this question enter an integer or a decimal in the answer space provided.  A correct answer to a question of this type can be either an integer or a decimal, and can be positive, negative, or zero. A correct answer to this type of question can contain from one to eight digits, and can contain a negative sign and/or a decimal point.
Question 23
　　The average (arithmetic mean) of the 11 numbers in a list is 14.  If the average of 9 of the numbers in the list is 9, what is the average of the other 2 numbers?
　　To answer this question enter an integer or a decimal in the answer space provided.  A correct answer to a question of this type can be either an integer or a decimal, and can be positive, negative, or zero. A correct answer to this type of question contains from one to eight digits, and may contain a negative sign and/or a decimal point.
　　Question 24 has five answer choices, labeled A through E.  Select the best one of the answer choices given.
Question 24
　　Of the seven-hundred-fifty participants in a professional meeting, four-hundred-fifty are females and one-half of the female and one-fourth of the male participants are less than thirty years old.  If one of the participants will be randomly selected to receive a book prize, what is the probability  that the person selected will be less than thirty years old?
　　A.  one-eighth
　　B.  one-third
　　C.  three-eighths
      D.  two-fifths 
　　E.  three-fourths
　　Select and indicate the best one of the answer choices given.
　　Question 25 has five answer choices, labeled A through E.  Select the best one of the answer choices given.
Question 25
　　In the x y plane, what is the slope of the line whose equation is 3x minus 2y equals 8 ?
　　A. negative 4
　　B.  negative eight thirds
　　C. two thirds
　　D. three halves
　　E. 2
　　Select and indicate the best one of the answer choices given.