GRE十三套试题2gmat.doc

如有侵权，请联系网站删除，仅供学习与交流GRE十三套试题2gmat【精品文档】第 10 页Q1:CountryConsumption (in millions of kilograms)J1,080K600L360M330N310The table above gives the coffee consumption in 1994 for five countries. If the total coffee consumption of these countries was 40 percent of the worlds coffee consumption, what was the worlds coffee consumption, in millions of kilograms, in 1994?A. 4,320B. 4,470C. 5,400D. 6,480E. 6,700Answer: Q2:When positive integer x is divided by positive integer y, the remainder is 9. If x/y = 96.12, what is the value of y?A. 96B. 75C. 48D. 25E. 12Answer: Q3:Is the standard deviation of the salaries of Company Ys employees greater than the standard deviation of the salaries of Company Zs employees?(1)The average (arithmetic mean) salary of Company Ys employees is greater than the average salary of Company Zs employees.(2)The median salary of Company Ys employees is greater than the median salary of Company Zs employees.A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.D. EACH statement ALONE is sufficient.E. Statements (1) and (2) TOGETHER are NOT sufficient.Answer: Q4:What is the value of v3 k3?(1) v k > 0(2) v k = 6A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.D. EACH statement ALONE is sufficient.E. Statements (1) and (2) TOGETHER are NOT sufficient.Answer: Q5: D · · B C A EIn the figure, points A, B, C, D, and E lie on a line. A is on both circles, B is the center of the smaller circle, C is the center of the larger circle, D is on the smaller circle, and E is on the larger circle. What is the area of the region inside the larger circle and outside the smaller circle?(1) AB = 3 and BC =2(2) CD =1 and DE = 4A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.D. EACH statement ALONE is sufficient.E. Statements (1) and (2) TOGETHER are NOT sufficient.Answer: Q6: 20 ftThe figure above shows the dimensions of a semicircular cross section of a one-way tunnel. The single traffic lane is 12 feet wide and is equidistant from the sides of the tunnel. If vehicles must clear the top of the tunnel by at least ½ foot when they are inside the traffic lane, what should be the limit on the height of vehicles that are allowed to use the tunnel?A. 5½ ftB. 7½ ftC. 8 ½ ft D. 9½ ftE. 10 ftAnswer: Q7:Square S is inscribed in circle T. If the perimeter of S is 24, what is the circumference of T?A. 6pB. 12pC. 3Ö2 pD. 6Ö2 pE. 12Ö2 pAnswer: Q8:The operation Ä is defined for all nonzero numbers a and b by a Ä b = a/b b/a. If x and y are nonzero numbers, which of the following statements must be true?I. x Ä xy = x(1 Ä y)II. x Ä y = -(y Ä x)III. 1/x Ä 1/y = y Ä xA.I onlyB.II onlyC.III onlyD.I and IIE.II and III Answer: Q9:What was the price at which a merchant sold a certain appliance?(1)The merchants gross profit on the appliance was 20 percent of the price at which the merchant sold the appliance.(2)The price at which the merchant sold the appliance was $50 more than the merchants cost of the appliance.A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.D. EACH statement ALONE is sufficient.E. Statements (1) and (2) TOGETHER are NOT sufficient.Answer: Q10:An attorney charged a fee for estate planning services for a certain estate. The attorneys fee was what percent of the accessed value of the estate?(1) The accessed value of the estate was $1.2 million.(2) The attorney charged $2,400 for the estate planning services.A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.D. EACH statement ALONE is sufficient.E. Statements (1) and (2) TOGETHER are NOT sufficient.Answer: Q11:Is the sum of the integers x and y a prime number?(1) x is an even prime number.(2) y is a prime number between 10 and 20.A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.D. EACH statement ALONE is sufficient.E. Statements (1) and (2) TOGETHER are NOT sufficient.Answer: Q12:There are 11 women and 9 men in a certain club. If the club is to select a committee of 2 women and 2 men, how many different such committees are possible?A. 120B. 720C. 1,060D. 1,520E. 1,980Answer: Q13:An integer greater than 1 that is not prime is called composite. If the two-digit integer n is greater than 20, is n composite?(1) The tens digit of n is a factor of the units digit of n.(2) The tens digit of n is 2.A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.D. EACH statement ALONE is sufficient.E. Statements (1) and (2) TOGETHER are NOT sufficient.Answer: Q14:C(m,n) = m! / (m-n)! n! for nonnegative integers m and n, m ³ n. If C(5,3) = C(5,x) and x ¹ 3, what is the value of x?A. 0B. 1C. 2D. 4E. 5Answer: Q15:If w, x, y, and z are integers such that 1 < w < x < y < z and wxyz = 462, then z =?A. 7B. 11C. 14D. 21E. 42Answer: Q16:The sum of three integers is 40. The largest integer is 3 times the middle integer, and the smallest integer is 23 less than the largest integer. What is the product of the three integers?A. 1,104B. 972C. 672D. 294E. 192Answer: Q17:If a and b are positive, is (a-1 + b-1)-1 less than (a-1b-1)-1?(1) a = 2b(2) a + b > 1A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.D. EACH statement ALONE is sufficient.E. Statements (1) and (2) TOGETHER are NOT sufficient.Answer: Q18:On a certain transatlantic crossing, 20 percent of a ships passengers held round-trip tickets and also took their cars abroad the ship. If 60 percent of the passengers with round-trip tickets did not take their cars abroad the ship, what percent of the ships passengers held round-trip tickets?A. 33 1/3%B. 40%C. 50%D. 60%E. 66 2/3%Answer: Q19:If x is an integer, which of the following must be an odd integer?A. 2x + 2B. 4x + 3C. 12x - 6D. 13xE. 14xAnswer: Q20:A collection of 36 cards consists of 4 sets of 9 cards each. The 9 cards in each set are numbered 1 through 9. If one card has been removed from the collection, what is the number on that card?(1) The units digit of the sum of the numbers on the remaining 35 cards is 6.(2) The sum of the numbers on the remaining 35 cards is 176.A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.D. EACH statement ALONE is sufficient.E. Statements (1) and (2) TOGETHER are NOT sufficient.Answer: Q21:If xy ¹ 0, is x/y = 1?(1) x2 = y2(2) xy > 0A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.D. EACH statement ALONE is sufficient.E. Statements (1) and (2) TOGETHER are NOT sufficient.Answer: Q22:A construction company was paid a total of $500,000 for a construction project. The companys only costs for the project were for labor and materials. Was the companys profit for the project greater than $150,000?(1) The companys total cost was three times its cost for materials.(2) The companys profit was greater than its cost for labor.A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.D. EACH statement ALONE is sufficient.E. Statements (1) and (2) TOGETHER are NOT sufficient.Answer: Q23: AMOUNT OF BACTERIA PRESENTTimeAmount1:00 P.M.10.0 grams4:00 P.M.x grams7:00 P.M.14.4 gramsData for a certain biology experiment are given in the table above. If the amount of bacteria present increased by the same fraction during each of the two 3-hour periods shown, how many grams of bacteria were present at 4:00 P.M.? A. 12.0B. 12.1C. 12.2D. 12.3E. 12.4Answer: Q24:The value of (9´107)(9´108) is closest to which of the following?A. 1016B. 1017C. 1056D. 1057E. 1058Answer: Q28:Of the goose eggs laid at a certain pond, 2/3 hatched, and 3/4 of the geese that hatched from those eggs survived the first month. Of the geese that survived the first month, 3/5 did not survive the first year. If 120 geese survived the first year and if no more than one goose hatched from each egg, how many goose eggs were laid at the pond?A. 280B. 400C. 540D. 600E. 840Answer: Verbal - Reasoning:Q12:Which of the following most logically completes the argument?Yorco and Zortech are two corporations that employ large numbers of full-time workers who are paid by the hour. Publicly available records indicate that Yorco employs roughly the same number of such hourly wage workers as Zortech does but spends a far higher total sum per year on wages for such workers. Therefore, hourly wages must be higher, on average, at Yorco than at Zortech, since _.A. Zortech spends a higher total sum per year than Yorco does to provide its hourly wage workers with benefits other than wagesB. the work performed by hourly wage workers at Zortech does not require a significantly higher level of skill than the work performed by hourly wage workers at Yorco doesC. the proportion of all company employees who are hourly wage workers is significantly greater at Yorco than it is at ZortechD. overtime work, which is paid at a substantially higher rate than work done during the regular work week, is rare at both Yorco and ZortechE. the highest hourly wages paid at Yorco are higher than the highest hourly wages paid at Zortech Answer: Q14:Smithtown Universitys fund-raisers succeeded in getting donations from 80 percent of the potential donors they contacted. This success rate, exceptionally high for university fund-raisers, does not indicate that they were doing a good job. On the contrary, since the people most likely to donate are those who have donated in the past, good fund-raisers constantly try less-likely prospects in an effort to expand the donor base. The high success rate shows insufficient canvassing effort.Which of the following, if true, provides more support for the argument?A. Smithtown Universitys fund-raisers were successful in their contacts with potential donors who had never given before about as frequently as were fund-raisers for other universities in their contacts with such people.B. This year the average size of the donations to Smithtown University from new donors when the universitys fund-raisers had contacted was larger than the average size of donations from donors who had given to the university before.C. This year most of the donations that came to Smithtown University from people who had previously donated to it were made without the universitys fund-raisers having made any contact with the donors.D. The majority of the donations that fund-raisers succeeded in getting for Smithtown University this year were from donors who had never given to the university before.E. More than half of the money raised by Smithtown Universitys fund-raisers came from donors who had never previously donated to the university. Answer: Q17:The quality of unrefined olive oil is not actually defined in terms of acidity, yet extensive tests have shown that the less free oleic acid an unrefined olive oil contains per liter, the higher its quality. The proportion of free oleic acid that an olive oil contains is an accurate measure of the oils acidity.If the statements above are all true, which of the following conclusions is best supported by them?A. When an olive oil is refined, the concentration of oleic acid in the oil is reduced.B. The quality of an unrefined olive oil can be determined only by accurately measuring its acidity.C. If an unrefined olive oil is intermediate in acidity between two other unrefined olive oils, it will also be intermediate between them in quality.D. Free oleic acid is the only acid that unrefined olive oil contains.E. People who judge the quality of unrefined olive oils actually judge those oils by their acidity, which the judges can taste. Answer: Q19:Sunflowers growing in pots were placed, with their roots submerged, in the pond contaminated with radioactive elements. The sunflowers kept growing; in the process, they absorbed radioactive elements. Within twelve days, 85 percent of the radioactive elements were removed from the water, which is no less than can be accomplished with the much more expensive conventional filtration techniques. Scientists therefore propose using sunflowers for decontamination wherever there are radioactively contaminated ponds.Which of the following, if true, points to a limitation on the applicability of the proposed method of decontamination?A. Some plants other than sunflowers can also remove radioactive elements from water.B. The water in many ponds contaminated with radioactive elements is so