GMAT数学模拟练习题及答案【3】!在GMAT数学备考中考生需要通过有效的练习掌握和巩固数学考试知识点,为了方便考生做练习,智课网为大家整理了GMAT数学模拟练习题及答案,更多GMAT数学模拟练习尽在智课网。

  The number ofstamps that Kaye and Alberto had were in the ratio 5 : 3, respectively. After Kaye gave Alberto 10 of her stamps, theratio of the number Kaye had to the number Alberto had was 7 :5. As a result of this gift,Kaye had how many more stamps than Alberto?

  (A) 20

  (B) 30

  (C) 40

  (D) 60

  (E) 90

  题目翻译:kaye 和 alberto 的邮票数之比为 5比 3,当 kaye 给 alberto10 张邮票,邮票数之比为 7比 5 ,kaye 比 alberto 多几张邮票?

  思路点拨:列二元一次方程,分别设 kaye 和 alberto 的邮票数为 X 和 Y。 x/y=5/3, (x-10)/(y+10)=7/5,解方程即可。

  Caution!:记得求出 X 和 Y 之后要相减

  If x is anegative integer, which of the following expressions has the LEAST value?

  (A) x^2 -0.50

  (B) x^2 - 0.51

  (C) x^3 - 0.502

  (D) x^3 - 0.511

  (E) x^4 - 0.512

  参考答案:D

  题目翻译:如果 x是负整数,下面哪项最小?

  思路点拔:比较。无难度。

  If n = 8^11 – 8, what is the units digit of n?

  A. 0

  B. 1

  C. 4

  D. 6

  E. 8

  参考答案:C

  题目翻译:8的十一次方减8的个位是啥。

  题目全解:8 个位8, 64 个位4,...写个位。规律是8 4 2 6。8的11次方个位就是2,减去8就是4。

  GMAT数学相关练习:

  >>GMAT数学练习题及答案【1】 

  >>GMAT数学练习题及答案【2】 

  >>GMAT数学练习题及答案【3】 

  >>GMAT数学练习题及答案【4】

  >>GMAT数学练习题及答案【5】 

  >>GMAT数学练习题及答案【6】 

  >>GMAT数学练习题及答案【7】 

  >>GMAT数学练习题及答案【8】

  >>GMAT数学练习题及答案【9】

  >>GMAT数学练习题及答案【10】 

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