GMAT数学模拟练习题及答案【7】!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。

  If n and kare positive integers, is n/k an even integer?

  (1) n is divisible by 8.

  (2) k is divisible by 4.

  A.Statement (1) ALONE is sufficient, but statement (2) alone is notsufficient.

  B.Statement (2) ALONE is sufficient, but statement (1) alone is notsufficient.

  C. BOTH statementsTOGETHER are sufficient, but NEITHER statement ALONE issufficient.

  D. EACHstatement ALONE is sufficient.

  E.Statements (1) and (2) TOGETHER are NOT sufficient.

  参考答案:E

  题目翻译:如果n和k都是正整数,那么n/k是不是偶数?

  题目全解:First off, neither statements are sufficent alone b/c each provides info about one of the variables.

  Putting the statments together--pick multiples of 8 for n and 4 for k:

  n=8, 16, 24, 32, 40, 48 etc.

  k=4, 8, 12, 16, 20, 24, 28, etc.

  So, put the statements together:

  -If n=8 and k=4-->2-->even

  -If n=8 and k=8-->1-->odd

  INSUFFICIENT. Choice E.

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