GRE數(shù)學：2012年最新數(shù)學考試算術(shù)題精選（6）

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    新GRE考試的改革，讓許多考生們都感覺頭疼，但是復習起來如果覺得難的話，不妨練習一下這些經(jīng)典例題，一定會有所幫助的哦！
    1.When a certain number is divided by 7, the remainder is 0. If the remainder is not 0 when the number is divided by 14, then the remainder must be
    A.1
    B.2
    C.4
    D.6 中 華 考 試 網(wǎng)
    E.7
    答案：E
    2.How many of the positive integers less than 25 are 2 less than an integer multiple of 4?
    A.2
    B.3
    C.4
    D.5
    E.6
    答案：E
    3. If y is the average (arithmetic mean) of n consecutive positive integers, n>1,what is the sum of the greatest and least of these integers?
    A. 2y
    B. ny
    C. y/2
    D. y/n
    E.2n/y
    答案：A
    4.A positive integer with exactly two different divisors greater than 1 must be
    A. a prime
    B. an even integer
    C. a multiple of 3
    D. the square of a prime
    E. the square of an odd integer 來自www.Examw.com
    答案：D
    5.What is the least prime number greater than 83?
    A.85
    B.87
    C.88
    D.89
    E.91
    答案：D