GMAT数学练习题及答案【7】!在GMAT数学备考中考生一定要结合练习掌握考试知识点,为了方便考生做练习,智课网为大家整理了GMAT数学练习题及答案,更多GMAT数学题库资料尽在智课网。

  For the past n days, the average (arithmetic mean) daily production at a company was 50 units. Iftoday's production of 90 units raises the average to 55 units per day, what is the value of n ?

  (A) 30

  (B) 18

  (C) 10

  (D) 9

  (E) 7

  答案:E

  If a two-digit positive integer has its digits reversed, the resulting integer differs from the original by 27.By how much do the two digits differ?

  (A) 3

  (B) 4

  (C) 5

  (D) 6

  (E) 7

  答案:A

  GMAT数学练习题及答案【7】

  答案:E

  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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