GMAT考试1-GMAT数学12月总结(十一)-查字典英语网
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GMAT考试1-GMAT数学12月总结(十一)

发布时间:2016-03-02  编辑:查字典英语网小编

  241.三个数,问mean是否等于medium:

  a)告诉medium是多少

  b)最大的数、最小的数与中数各自的差均为2。 B

  242. 1994年fax量80 billion,the annual number of fax increased by 700 percentage from 1987 to 1994,问1987的fax量是多少billion ?

  ANS: 10

  243.DS:n 是一个两位整数, 问n的十位是几?

  a. 10n的百位是2 b. the tenth of n-9 is 1 A

  244.有24磅P物质,有25磅R物质,分别从P物质和R物质中各取出若干,按照4:1的比例合成混合物X;再从P物质和R物质中取出若干,按照1:5的比例合成混合物Y。求混合物X有多少磅?

  解:设从P物质中取出A磅,从R物质中取出B磅来合成X,则X共A+B磅;从P物质中取出24-A磅,从R物质中取出25-B磅来合成Y。

  A-B=4:1, :=1:5,连立两式:A=20, B=5. X=A+B=25

  245.N是能被14整除的整数,问N是多少?

  3N能被5整除 N能被28整除 E

  247. n为正整数,n是某个正整数的平方,求n的因子数一定是什么数?

  一个奇数 不记得 一个质数 可以排除 ANS:

  248.^2的算式中,X可以为所有实数,C为一个常数,C是多少?

  C0 C^2=16 C

  249.n=0.67K9, 能否判断K是否小于3?

  n精确到千分位,n=0.673 n精确到百分位,n=0.67 ANS: A

  250.L和M驾驶一辆车一同行驶,平均速度为90mile/ hour.。求L的平均速度是否大于80?

  M的平均速度大于100 M的时间大于L的时间

  C

  251.有一对整数,求它们的和是多少?

  至少有一个数为正整数 至少有一个数为负整数C

  252. A company invests in certain product in 1994, whats the total amount in 1995

  a. Monthly interest is ??%

  b. The investment is $???

  i. 9

  ii. 10

  iii. 11

  a.I only

  b. II only

  c. III only

  d. I and III

  e. I, II, and III 254. A retailer sell red and white t-shirts in both medium and large size. The number of medium white sold is 3 times as many as large red sold. The number of medium white sold is 2 times that of large white. Total revenue of red is 80, total revenue of white is 190 Grand total is $1080. how much is the medium white ? .

  255. {Sqrt+ Sqrt } / -Sqrt) - Sqrt/ {Sqrt^2- Sqrt^2}, simply the above equation. 5 choices. Just use , you can easily identify the answer)

  256. 6 balls, numbered 1-6, pick one at a time without replacement , the order doesnt matter, whats the possible combination

  a. 10

  b. 20

  c. 30

  d. 40

  e. 50 这题搞了我很久,丢脸,大侠帮忙看看,数字因该准确,总之不上百

  257. What is the reminder of x when it is divided by 9

  a. Know the remainder of x when it is divided by 3

  b. Know the remainder of x when it is divided by 3

  258. N is a two-digit number, whats the tens of n?

  a. The tens of 2n =5

  b. The tens of 2n=0

  259. X increase annually by 20% in 1994 and 1995, Y increase by 40% in 1994 then by 1% of the amount of the previous year in 1995. which of the following must be true.

  a. X-y2

  b. 0

  c. 02

  d. 02

  e. ??

  

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