GRE数学:2012年最新数学考试算术题精选(5)

2012-06-17 20:30:54 考试
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新GRE考试的改革,让许多考生们都感觉头疼,但是复习起来如果觉得难的话,不妨练习一下这些经典例题,一定会有所帮助的哦!
1. The sum of n different positive integers is less than 100. What is the greatest possible value of n?
  A.10
  B.11
  C.12 中华考试网(www.Examw。com)
  D.13
  E.14
  答案:D
2.If p is a prime number greater than 11, and p is the sum of the two prime numbers x and y, then x could be which of the following?
  A.2
  B.5
  C.7
  D.9
  E.13
  答案:A
3.Of the positive integers that are multiples of 30 and are less than or equal to 360, what fraction are multiples of 12?
  A.1/6
  B.1/5
  C.1/3
  D.2/5
  E.1/2
  答案:E
4.If x, y and z are consecutive integers and x
  (1). xyz is even.
  (2). x+y+z is even.
  (3).(x+y)(y+z) is odd.
  A. None
  B.(1) only
  C.(2) only
  D.(1)and(3)only 考试用书
  E. (1),(2)and(3)
  答案:D
5.The product of two consecutive positive integers cannot be
  A. a prime number
  B. divisible by 11
  C. a multiple of 13
  D. an even number less than 10
  E. a number having 4 as its units digit.
  答案:E
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