新GRE数学考试算术题精选例子（6）

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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.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
' j5 i! `. T8 B5 c　　D.6 中 华 考 试 网
　　E.7
　　答案：E
2.How many of the positive integers less than 25 are 2 less than an integer multiple of 4?
  S  F# L6 u1 h% k0 ^0 N& t　　A.2
3 o  N6 d' \2 a+ E% Z, c8 Z: [& K　　B.3
　　C.4
! A8 E8 s+ l% o* I  |　　D.5
, p+ K8 S! Q6 G! P/ l% V! h% l2 b8 `　　E.6
5 ~0 D4 q! H# j0 Q+ t, C# f5 [" C: k　　答案：E
. [+ E1 g9 L. X3. 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
( ]+ W* a6 d1 {; N% V　　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
+ l+ T- `: _; W, }6 w0 {3 B　　A. a prime
* W6 m5 n5 I4 K; M; n0 [3 ?　　B. an even integer
* l! u4 `2 A# [$ t7 p" D　　C. a multiple of 3
! T+ e: y5 t0 ?: @9 ?4 D! W  j　　D. the square of a prime
6 i, F& B) o9 r　　E. the square of an odd integer 来自www.Examw.com
　　答案：D
4 j' f. ~: p: p. B5.What is the least prime number greater than 83?
　　A.85
　　B.87
+ E2 B/ l4 ^2 I　　C.88
* |4 _: g5 o* O4 u& L! y! n% ~1 C　　D.89
. V6 f' s- d/ p5 j　　E.91
　　答案：D