已选分类
管理学工商管理
单选题How many of the integers between 25 and 45 are even? (A) 21 (B) 20 (C) 11 (D) 10 (E) 9
单选题One way to judge the performance of a company is to compare it with other companies. This technique, commonly called “benchmarking,” permits the manager of a company to discover better industrial practices and can provide a justification for the adoption of good practices.
Any of the following, if true, is a valid reason for benchmarking the performance of a company against companies with which it is not in competition rather than against competitors EXCEPT:
单选题Each of the integers from 0 to 9, inclusive, is written on a separate slip of blank paper and the ten slips are dropped into a hat. If the slips are then drawn one at a time without replacement, how many must be drawn to ensure that the numbers on two of the slips drawn will have a sum of 10? (A) Three (B) Four (C) Five (D) Six (E) Seven
单选题Consumer income reports produced by the government distinguish between households and families by means of the following definition: “A family is a household containing a householder and at least one person related to the householder.” Except for the homeless and people in group living quarters, most people live in households.
According to the definition above, which of the following must be true?
单选题Amandrovehisautomobiled1kilometersattherateofr1kilometersperhourandanadditionald2kilometersattherateofr2kilometersperhour.Intermsofd1,d2,r1,r2,whatwashisaveragespeed,inkilometersperhour,fortheentiretrip?(E)Itcannotbedeterminedfromtheinformationgiven．
单选题WhatfractionalpartofthetotalsurfaceareaofcubeCisred?(1)Eachof3facesofcisexactlyred.(2)Eachof3facesofCisentirelywhite.(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 following data sufficiency problems consist of a
question and two statements, labeled (1) and (2), in which certain data are
given. You have to decide whether the data given in the statements are
sufficient for answering the question. Using the data given in the statements
plus your knowledge of mathematics and everyday facts (such as the number of
days in July or the meaning of counterclockwise), you must indicate
whether 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.
单选题How many two-digit whole numbers yield a remainder of 1 when divided by 10 and also yield a remainder of 1 when divided by 6? (A) None (B) One (C) TWO (D) Three (E) Four
单选题 Brand X Brand Y Miles per Gallon 40 36 Cost per Gallon $0.80 $0.75 The table above gives the gasoline costs and consumption rates for a certain car driven at 50 miles per hour, using each of two brands of gasoline. How many miles further can the car be driven at this speed on $12 worth of brand X gasoline than on $12 worth of brand Y gasoline?
单选题Shortly after the Persian Gulf War, investigators reported that the area, which had been subjected to hundreds of smoky oil fires and deliberate oil spills when regular oil production slowed down during the war displayed less oil contamination than they had witnessed in prewar surveys of the same area. They also reported that the levels of polycyclic aromatic hydrocarbons (PAHs)—used as a marker of combustion products spewed from oil wells ignited during the war—were also relatively low, comparable to those recorded in the temperate oil-producing areas of the Baltic Sea.
Which one of the following, if true, does most to resolve the apparent discrepancy in the information above?
单选题A certain ball was dropped from a window 8 meters above a sidewalk. On each bounce it rose straight up exactly one-half the distance of the previous fall. After the third bounce the ball was caught when it reached a height of exactly 1 meter above the sidewalk. How many meters did the ball travel in all?
单选题Town T has 20,000 residents, 60 percent of whom are female. What percent of the residents were born in Town T? (1)The number of female residents who were born in Town T is twice the number of male residents who were not born in Town T. (2)The number of female residents who were not born in Town T is twice the number of male residents who were born in Town T.
单选题Human beings can see the spatial relations among objects by processing information conveyed by light. Scientists trying to build computers that can detect spatial relations by the same kind of process have so far designed and built stationary machines. However, these scientists will not achieve their goal until they produce such a machine that can move around in its environment.
Which of the following, if true, would best support the prediction above?
单选题Amy's graduate seminar in history meets once each week, on Thursday afternoons. If it met every Thursday in the month of May, how many times did the seminar meet that month? (1)There were five Wednesdays in the month. (2)The seventeenth of May was a Friday. (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 integers 72 greater than 10 and less than 100 are there such that, if the digits of n are reversed, the resulting integer is n+9?
单选题All trainees in a certain aviator training program must take both a written test and a flight test, If 70 percent of the trainees passed the written test, and 80 percent of the trainees passed the flight test, what percent of the trainees passed both tests? (1)10 percent of the trainees did not pass either test. (2)20 percent of the trainees passed only the flight test.
单选题Inacertainsequence,thefirsttermis1,andeachsuccessivetermis1morethanthereciprocalofthetermthatimmediatelyprecedesit.Whatisthefifthtermofthesequence?
单选题Psychological maladjustment in children is caused by the stress of the birthing process as is proved by the discovery of a positive relationship between the duration of the mother"s labor and the amount of time the child spent crying in the first month of life. Which of the following, if true, LEAST damages the author"s assertion?
单选题Whatisthecircumferenceofthecircleabove?(1)ThelengthofarcXYZis18.(2)r=s
单选题Inacertainformula,pisdirectlyproportionaltosandinverselyproportionaltor.Ifp=1whenr=-0.5ands=2，whatisthevalueofpintermsofrands?