已选分类
管理学工商管理
单选题For any positive integer n, n＞1, the "length" of n is the number of positive primes (not necessarily distinct) whose product is n. For example, the length of 50 is 3 since 50=(2)(5)(5) Which of the following integers has length 3?
单选题The participants in a race consisted of 3 teams with 3 runners on each team. A team was awarded 6-n points if one of its runners finished in nth place, where 1≤n≤5. If all of the runners finshed the race and if there were no ties, was each team awarded at least one point? (1)No team was awarded more than a total of 6 points. (2)No pair of teammates finished in consecutive places among the top five places.
单选题What is the probability that events A and B both occur?
(1)The probability that event A occurs is 0.8.
(2)The probability that event B occurs is 0.6.
单选题Ofthefournumbersrepresentedonthenumberlineaboveisrclosesttozero?(1)q=-s(2)-t＜q
单选题A wildlife preserve is being planned for 3,000 rhinoceroses. The preserve is to contain a total of 10,000 acres of watering area, plus 100 acres of grazing area for each rhinoceros. If the number of rhinoceroses is expected to increase by 10 percent, how many thousand acres should the preserve have in order to provide for the increased population?
单选题If n=p+r, where n, p, and r are positive integers and n is odd, does p equal 2?
(1)p and r are prime numbers.
(2)r≠2
单选题Questions refer to the following information.
单选题A family made a down payment of $75 and borrowed the balance on a set of encyclopedias that cost $400. The balance with interest was paid in 23 monthly payments of $16 each and a final payment of $9. The amount of interest paid was what percent of the amount borrowed?
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.
单选题Is the positive integer x an even number? (1)If z is divided by 3, the remainder is 2. (2)If x is divided by 5, the remainder is 2. (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 n is a positive integer, then n(n+1)(n+2) is
单选题When 10 is divided by the positive integer n, the remainder is n-4. Which of the following could be the value of n? (A) 3 (B) 4 (C) 7 (D) 8 (E) 12
单选题Ifoftheairinatankisremovedwitheachstrokeofavacuumpump,whatfractionoftheoriginalamountofairhasbeenremovedafter4strokes?
单选题Ifxandyarepositiveintegers,isx＞y?(1)x3＜y(2)
单选题If the number of square units in the area of circle C is twice the number of linear units in the circumference of C, what is the number of square units in the area?
单选题If k and n are integers, is n divisible by 7? (1)n-3=2k (2)2k-4 is divisible by 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InrectangularregionPQRSabove,TisapointonsidePS.IfPS=4,whatistheareaofregionPQRS?(1)△QTRisequilateral.(2)SegmentsPTandTShaveequallength.
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?
单选题A jewelry dealer initially offered a bracelet for sale at an asking price that would give a profit to the dealer of 40 percent of the original cost. What was the original cost of the bracelet? (1)After reducing this asking price by 10 percent, the jewelry dealer sold the bracelet at a profit of $403. (2)The Jewelry dealer sold the bracelet for $1,953.
单选题Diana bought a stereo for $530, which was the retail price plus a 6 percent sales tax. How much money could she have saved if she had bought the stereo at the same retail price in a neighboring state where she would have paid a sales tax of 5 percent? (A) $1.00 (B) $2.65 (C) $4.30 (D) $5.00 (E) $5.30