GMAT数学练习题及答案【8】!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。

  List Tconsists of 30 positive decimals, none of which is an integer, and the sum of the 30 decimals is S.The estimated sum of the 30 decimals, E, is defined as follows. Each decimal in T whose tenths digit is even is rounded up to the nearest integer, and each decimal in Twhose tenths digit is odd is rounded down to the nearest integer; E is the sum of the resulting integers. If -Iof the decimals in Thave a tenths digit that is even, which of the following is a possible value of E- S?

  I. -16

  II. 6

  III. 10

  (A) I only

  (B) I and II only

  (C) I and III only

  (D) II and III only

  (E) I, II, and III

  答案:B

  Of the 200 students at College T majoring in one or more of the sciences, 130 are majoring in chemistry and 150 are majoring in biology. If at least 30 of the students are not majoring in either chemistry or biology, then the number of students majoring in both chemistry and biology could be any number from

  (A) 20 to 50

  (B) 40 to 70

  (C) 50 to 130

  (D) 110 to 130

  (E) 110 to 150

  答案:D

  GMAT数学练习题及答案【8】

  答案:C

  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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