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管理学工商管理
1单选题Vanda's Butcher Shop sells packages of ground turkey and ground beef. Is the price for a pound of ground turkey less than that for a pound of ground beef? (1)The price for a package of ground turkey is 30 percent greater than the price for a package of ground beef. (2)A package of ground turkey weighs 25 percent more than a package of ground beef.
2单选题If x, y, and z are positive integers and 3x=4y=7z, then the least possible value of x+y+z is
3单选题If r⊙s=rs+r+s, then for what value of s is r⊙s equal to r for all values of r?
4单选题An infinite sequence of positive integers is called an "alpha sequence" if the number of even integers in the sequence is finite. If S is an infinite sequence of positive integers, is S an alpha sequence? (1)The first ten integers in S are even. (2)An infinite number of integers in S are Odd.
5单选题The cost C of manufacturing a certain product can be estimated by the formula C=0, 03rst2, where r and 8 are the amounts, in pounds, of the two major ingredients and t is the production time in hours. If r is increased by 50 percent, s is increased by 20 percent，and t is decreased by 30 percent, by approximately what percent will the estimated cost of manufacturing the product change?
6单选题Intheexpressionabove,a,b,andcaredifferentnumbersandeachisoneofthenumbers2,3,or5.Whatistheleastpossiblevalueoftheexpression?
7单选题EachnumberinthearrangementaboveisobtainedfromthetWOnearestnumbersinthecolumnimmediatelytotheleftbysubtractingtheuppernumberfromthelowernumber.Whatisthevalueofz?(1)x=7(2)t=5
8单选题Acertainfractionisequivalentto.Ifthenumeratorofthefractionisincreasedby4andthedenominatorisdoubled,thenewfractionisequivalentto.Whatisthesumofthenumeratoranddenominatoroftheoriginalfraction?
9单选题What is the maximum capacity in cups of a pail that contains only sand and is filled to three fourths of its capacity? (1)If one cup of sand were added to the pail, it would be filled to seven eighths of its capacity. (2)If two cups were removed from the pail, it would be filled to one half of its capacity.
10单选题Ify≠3andisaprimeintegergreaterthan2,whichofthefollowingmustbetrue?Ⅰ．x=yⅡ．y=1Ⅲ．xandyareprimeintegers.
11单选题A certain used-book dealer sells paperback books at 3 times dealer's cost and hardback books at 4 times dealer's cost. Last week the dealer sold a total of 120 books, each of which had cost the dealer$1. If the gross profit (sales revenue minus dealer's cost) on the sale of all of these books was$300, how many of the books sold were paper backs?
12单选题If xy=-6, what is the value of xy(x+y)? (1)x-y=5 (2)xy2=18
13单选题A rectangular circuit board is designed to have width叫inches, perimeter p inches, and area k square inches. Which of the following equations must be true?
14单选题On a scale that measures the intensity of a certain phenomenon, a reading of n+1 corresponds to an intensity that is 10 times the intensity corresponding to a reading of n. On that scale, the intensity corresponding to a reading of 8 is how many times as great as the intensity corresponding to a reading of 3?
15单选题If Pat bought a tennis shirt with matching shorts, what was the cost of the shirt? (1)The total cost of the shirt and shorts was $20. (2)The ratio of the cost of the shirt to the cost of the shorts was 2:3.
16单选题Ofthefournumbersrepresentedonthenumberlineaboveisrclosesttozero?(1)q=-s(2)-t＜q
17单选题Now that you've gotten a little more confident, we're going to give you the opportunity to practice "without the training wheels." When you want to check your work, you can turn to the solutions at the end. If you aren't familiar with some of the mathematical concepts, make a note to pay particular attention to that chapter in this book; this practice set covers a wide range of topics tested on the GMAT. On all data sufficiency problems, the answer choices are the same (as you've learned). We've put them here for your reference. 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.
18单选题Ifxandyarepositiveintegers,isx＞y?(1)x3＜y(2)
19单选题A certain theater has 100 balcony seats. For every$2 increase in the price of a balcony seat above$10, 5 fewer seats will be sold. If a11 the balcony seats are sold when the price of each seat is$10, which of the following could be the price of a balcony seat if the revenue from the sale of balcony seats is$1,360?
20单选题x-y=3 2x=2y+6 The system of equations above has how many solutions?