GRE數(shù)學(xué)：2012年最新數(shù)學(xué)考試算術(shù)題精選（5）

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    新GRE考試的改革，讓許多考生們都感覺(jué)頭疼，但是復(fù)習(xí)起來(lái)如果覺(jué)得難的話，不妨練習(xí)一下這些經(jīng)典例題，一定會(huì)有所幫助的哦！
    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 中華考試網(wǎng)(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 考試用書
    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