下面为大家总结了最新的gre猴哥数学难题。有很多gre考生对gre数学考试十分苦恼,其实最有效的方法就是多练习,把数学基础知识记牢,这样才能在考试中对答如流。而gre数学考试中也会出现一些难题,想拿高分也十分不容易。# _! I3 d4 X" {+ Q: e( D! P% T
1.Sixty-eight people are sitting in 20 cars and each car contains at most 4 people. What is the maximum possible number of cars that could contain exactly 1 of the 68 people?2 o% G& {" V) d- V
A.2 B.3 C.4 D.8 E.12* y" {% k, r) W( l/ p. u; c3 t, s
2.if n is any prime number greater than 2, which of the following cannot be a prime number?
3 G+ x: g- \6 w- S3 L2 z. f A.n-4 B.n-3 C.n-1 D.n+2 E.n+5
O1 v; {/ a" N 3.In 1988 Mr. Smith’s annual income was greater than Mrs. Smith’s annual income. In 1989 Mr. Smith’s annual income decreased by p percent, whereas Mrs. Smith’s annual income increased by p percent. (p>0)0 r) q3 r7 K( y2 O+ y- B
Column A: Mr. and Mrs. Smith’s combined annual income in 1988
) b( L+ H& u1 ~ g7 A Column B: Mr. and Mrs. Smith’s combined annual income in 1989
9 g1 ]- p+ t8 K1 p+ J9 J6 k 4.How many integers between 101 and 201 are equal to the square of some integer?
+ F% N0 a& W5 e1 R9 O2 t6 E- Y A. Two B. Three C. Four D. Five E. Six; c0 U- C) z# h! E0 v; c
5. The price of a certain stock was 12*1/2 dollars per share.7 ?4 a) x- Q& W9 [% q
The price increased x percent to 15*5/8 dollars per share.6 j; I/ Z9 l1 o, u6 s& W- Q. X
Column A: x2 n# ^' B* i8 P
Column B: 20
; s6 B8 ]" D- B# \9 K* M, ? 6. The “reflection” of a positive integer is obtained by reversing its digits. For example, 321 is the reflection of 123. The difference between a five-digit integer and its reflection must be divisible by which of the following?
2 q' b& G; B$ B A.2 B.4 C.5 D.6 E.9; }4 X" u2 A& i- d) }/ `0 S
7. Column A: 1/(1-0.03)
' P" ?$ x# O) H% u9 S3 m Column B: 1.03
& {8 O4 D# l) p' M6 g7 E; a D 8.The original value of machine X is V dollars, while the original value of machine Y is 2V dollars. Both machines depreciate in value at a constant rate of 10 percent of their original value per year.* F$ j: V1 t% _+ V) @3 [
Column A: The value of machine X after 3 years
4 ]- N+ j( s6 {; A Column B: The value of machine X after 6 years
5 y( ?5 J6 t# I8 r" r; D* z 9. If n is an odd integer, which of the following is the square of the next larger odd integer?7 G7 n$ {* n0 o2 N% S% `8 L
A. n*n+1 B. n*n+4 C. n*n+2n+1 D. n*n+4n+1 E.n*n+n+1* j& v+ ]+ r1 ?. f
10. If 55 percent of a group of people have brown hair and 80 percent of the same group do not have red hair, what fraction of those who do not have brown hair red hair?% ]6 p0 W+ d2 F/ X6 w2 Q0 N
A. 1/4 B.4/11 C.4/9 D.5/9 E.4/5
. `# `5 I$ T' B' O 最新的gre猴哥数学难题中有很多gre数学考试中常见的难题,而且难题涉及的范围也比较广泛,考生在复习时一定要多注意日常的练习和积累。 |