已选分类
管理学
单选题Iftaxifareswere$1.00forthefistmileand$0.20foreachmilethereafter,thenthetaxifarefora3-mileridewas(A)$1.56(B)$2.40(C)$3.80(D)$4.20(E)$2.80
单选题During his three years in office, the governor of a state has frequently been accused of having sexist attitudes toward women. Yet he has filled five of the nineteen vacant high-level positions in his administration with women appointees, all of whom are still serving. This shows that the governor is not sexist.
Which of the following statements, if true, would most seriously weaken the conclusion above?
单选题During a 3-year period, the profits of Company X changed by what percent from the second year to the third year? (1)The increase in profits of Company X from the first year to the second year was the same as the increase from the first year to the third year. (2)For Company X, the profits for the first year were $13,800 and the profits for the third year were $15,900.
单选题How many integers between 100 and 150, inclusive, can be evenly divided by neither 3 nor 5? (A) 33 (B) 28 (C) 27 (D) 25 (E) 24
单选题All of the tickets for two real estate seminars, F and G, were either purchased or given away, and the ratio of F tickets to G tickets was 2 to 1. Of the total number of F tickets and G tickets, what percentage was purchased? (1)The total number of F tickets and G tickets is 240. (2)Of the F tickets, exactly 60 percent were purchased, and of the G tickets, exactly 80 percent were purchased. (A) 条件(1)充分，但条件(2)不充分． (B) 条件(2)充分，但条件(1)不充分． (C) 条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分． (D) 条件(1)充分，条件(2)也充分． (E) 条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．
单选题How many of the integers between 25 and 45 are even?
单选题If 10 persons meet at a reunion and each person shakes hands exactly once with each of the others, what is the total number of handshakes? (A) 10·9·8·7·6·5·4·3·2·1 (B) 10·10 (C) 10·9 (D) 45 (E) 36
单选题A group of paintings made approximately 15,000 years ago in a cave in the Loire River valley in what is now France depicts a number of different animals. One of the animals depicted seems to resemble the chiru, a rare antelope of the Himalayas.
Which of the following, if true, best supports the hypothesis that in painting the animal that resembles a chiru the cave artist painted a chiru with which she or he was familiar?
单选题ThefigureaboveshowsthedimensionsofarectangularboardthatistobecutintofouridenticalpiecesbymakingcutsatpointsA,B,andC,asindicated.Ifx=45,whatisthelengthofAB?(1foot=12inches)
单选题Cars X and Y were traveling together on a straight road at a constant speed of 55 miles per hour when car X stopped for 5 minutes. If car Y continued to travel at 55 miles per hour, how many minutes from the time that car X resumed traveling did it take car X traveling at 60 miles per hour to catch up with car Y? (Assume that the time for car X to slow down and speed up was negligible.)
单选题In recent years the climate has been generally cool in northern Asia. But during periods when the average daily temperature and humidity in northern Asia were slightly higher than their normal levels the yields of most crops grown there increased significantly. In the next century, the increased average daily temperature and humidity attained during those periods are expected to become the norm. Yet scientists predict that the yearly yields of most of the region"s crops will decrease during the next century.
Which one of the following, if true, most helps to resolve the apparent paradox in the information above?
单选题Ifthesuccessivetickmarksshownonthenumberlineaboveareequallyspacedandifxandyarethenumbersdesignatingtheendpointsofintervalsasshown,whatisthevalueofy?
单选题What is the tens digit of positive integer x? (1)x divided by 100 has a remainder of 30. (2)x divided by 110 has a remainder of 30. (A) 条件(1)充分，但条件(2)不充分． (B) 条件(2)充分，但条件(1)不充分． (C) 条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分． (D) 条件(1)充分，条件(2)也充分． (E) 条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．
单选题If x and y are prime numbers, which of the following CANNOT be the sum of x and y?
单选题IftheratioofmentowomenemployedbyCompanySin1975was,whatistheratioofmentowomenemployedbyCompanySin1976?(1)CompanySemployed20morewomenin1976thanin1975.(2)CompanySemployed20moremenin1976thanin1975.(A)条件(1)充分，但条件(2)不充分．(B)条件(2)充分，但条件(1)不充分．(C)条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．(D)条件(1)充分，条件(2)也充分．(E)条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．
单选题Point(x,y)hasinwhichquadrantoftherectangularcoordinatesystemshownabove?(1)x+y＜0(2)x=1andy=-7(A)条件(1)充分，但条件(2)不充分．(B)条件(2)充分，但条件(1)不充分．(C)条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．(D)条件(1)充分，条件(2)也充分．(E)条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．
单选题Last year Luis invested x dollars for one year, half at 8 percent simple annual interest and the other half at 12 percent simple annual interest. Now he wants to reinvest the x dollars for one year in the same two types of investments, but the lower rate has decreased, If the higher rate is unchanged, what fraction of the x dollars must be reinvest at the 12 percent rate s that the total interest earned from the x dollars will be the same for both years? (1)The lower rate is now 6 percent. (2)The total amount of interest earned from the two investments last year was $3,000. (A) 条件(1)充分，但条件(2)不充分． (B) 条件(2)充分，但条件(1)不充分． (C) 条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分． (D) 条件(1)充分，条件(2)也充分． (E) 条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．
单选题The country of Maravia has severe air pollution, 80 percent of which is caused by the exhaust fumes of cars. In order to reduce the number of cars on the road, the government is raising taxes on the cost of buying and running a car by 20 percent. This tax increase, therefore, will significantly reduce air pollution in Maravia.
Which of the following, if true, most seriously weakens the argument above?
单选题If 27
P
×3
2
=3
4
×9
8
, what is the value of p?
单选题If C is the temperature in degrees Celsins and F is the temperature in degrees Fahrenheit, then the relationship between temperatures on the two scales is expressed by the equation 9C=5(F-32). On a day when the temperature extremes recorded at a certain weather station differed by 45 degrees on the Fahrenheit scale, by how many degrees did the temperature extremes differ on the Celsius scale?