关闭

澳际学费在线支付平台

GMAT数学精华题型解析(4).

刚刚更新 编辑: 浏览次数:60 移动端

  GMAT数学考试常见题型的解题技巧有哪些呢?以下将为大家深入分析GMAT数学考试常见题型的解题策略和技巧,希望能够为考生备战GMAT数学考试带来帮助。

  106. 11122-!-item-!-187;#058&007588

  If a certain sample of data has a mean of 20.0 and a standard deviation of 3.0, which of the following values is more than 2.5 standard deviations(2.5倍的) from the mean?

  (A) 12.0

  (B) 13.5

  (C) 17.0

  (D) 23.5

  (E) 26.5

  【答案】 A

  几倍的标准差,就用平均值加减几倍的标准差,即为新的值域

  110. 11364-!-item-!-187;#058&007646

  The residents of Town X participated in a survey to determine the number of hours per week each resident spent watching television. The distribution of the results of the survey had a mean of 21 hours and a standard deviation of 6 hours. The number of hours that Pat, a resident of Town X, watched television last week was between 1 and 2 standard deviations (1-2倍的)below the mean. Which of the following could be the number of hours that Pat watched television last week?

  (A) 30

  (B) 20

  (C) 18

  (D) 12

  (E) 6

  --------------------------------------------------------------------------------------------------------------------------------

  【答案】 D

  82. 7356-!-item-!-187;#058&005489

  Is

  (1) x2 > y2 可用坐标抛物线看出

  (2) x > y

  --------------------------------------------------------------------------------------------------------------------------------------------------------

  【答案】A

  (1) x2 > y2 平方已將正負數的影響拿掉(等同於絕對值) ←選項(1)成立

  (2) x > y 的情況下,y有可能為負數。如此一來y的絕對值不一定小於x。 ←選項(2)不成立

  99. 9270-!-item-!-187;#058&006322

  If m > 0 and n > 0, is? 相减

  (1) m < n

  (2) x > 0

  --------------------------------------------------------------------------------------------------------------------------------------------------------

  【答案】C

  100. 9327-!-item-!-187;#058&006480

  In the rectangular coordinate system shown above, does the line k (not shown) intersect quadrant II ?

  (1) The slope of k is - 注意:答案是否定的,但只要确定,也是对的

  (2) The y-intercept of k is -6.

  【答案】A

  --------------------------------------------------------------------------------------------------------------------------------------------------------

  110. 10493-!-item-!-187;#058&007240

  If z^n = 1, what is the value of z ?

  (1) n is a nonzero integer.(注意N可能是偶数,Z可能是负数的情况)

  (2) z > 0

  【答案】C

  113. 11760-!-item-!-187;#058&007855

  For a certain set of n numbers, where n > 1, is the average (arithmetic mean) equal to the median?

  (1) If the n numbers in the set are listed in increasing order, then the difference between any pair of successive numbers in the set is 2.

  (2) The range of the n numbers in the set is 2(n - 1).

  【答案】A

  以上为大家推荐了一些GMAT数学试题的使用解题技巧,考生不妨从中借鉴,通过针对性的练习来逐步掌握GMAT数学考试的解题技巧,从而在GMAT考试中发挥出更好的水平。 相关链接

1.GMAT数学精华题型解析(3)

2.GMAT逻辑解题技巧:Evaluation题型总结(二)

3.GMAT考试流程全攻略:关于考位

想要获得更多咨询服务点击进入 >>>>有问题?找免费的澳际专家咨询! 或联系QQ客服: ,也可以通过在线咨询处留言,把您最关心的问题告诉我们。

  • 澳际QQ群:610247479
  • 澳际QQ群:445186879
  • 澳际QQ群:414525537