GRE数学：2012年最新数学考试算术题精选（5）

-

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