GMAT数学题库练习题及答案【4】!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数学题库练习题及答案,更多GMAT数学题库资料尽在智课网。

  A collection of 36 cards consists of 4 sets of 9 cardseach. The 9 cards in each set arenumbered 1 through 9. If one card hasbeen removed from the collection, what is the number on that card?

  (1) The units digit of the sumof the numbers on the remaining 35 cards is 6.

  (2) The sum of the numbers onthe remaining 35 cards is 176.

  A. Statement (1) ALONE is sufficient, but statement(2) alone is not sufficient.

  B. Statement (2) ALONE is sufficient, but statement(1) alone is not sufficient.

  C. BOTH statements TOGETHER are sufficient,but NEITHER statement ALONE is sufficient.

  D. EACH statement ALONE is sufficient.

  E. Statements (1) and (2) TOGETHER are NOTsufficient.

  参考答案:D

  题目翻译:四套牌,都是1-9.拿走一张,是多少?

  题目全解:

  (1) 剩下的牌,总和个位是6. 不拿走总和是180,牌都是1-9,所以拿走了4;SUFFICIENT;

  (2) 剩下拍总和176,拿走的是4;SUFFICIENT。

  Of the goose eggs laid at acertain pond, 2/3 hatched, and 3/4 of the geese that hatched from those eggssurvived the first month. Of the geesethat survived the first month, 3/5 did not survive the first year. If 120 geese survived the first year and ifno more than one goose hatched from each egg, how many goose eggs were laid atthe pond?

  A. 280

  B. 400

  C. 540

  D. 600

  E. 840

  参考答案:D

  题目翻译:鹅蛋数目固定,三分之二孵化,四分之三活过第一个月,第一年死了五分之三,最后剩120,求问开始多少蛋。

  题目全解:a*(2/3)*(3/4)*(2/5)=120.

  The sum of three integers is40. The largest integer is 3 times themiddle integer, and the smallest integer is 23 less than the largestinteger. What is the product of thethree integers?

  A. 1,104

  B. 972

  C. 672

  D. 294

  E. 192

  参考答案:B

  题目翻译:最大是中间的三倍,最小的比最大小23,相加40,求商。

  题目全解:设中间a。3a-23+a+3a=40。a=9。成绩是972。

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