下面就为大家详细例举GRE数学考试中的难题：

91.If 72.42= k[24+(n/100)], where k and n are positive integers and n < 100, then k + n =_____

A.17 B.16 C.15 D.14 E.13

92. In how many of the ten years from 1965 through 1974 was electricity use of Company T between 25,000 and 30,000 kilowatt-hour for at least one month?

A. None B. One C. Two D. Three E. Four

93. Approximately how many kilowatt-hours of electricity did Company T use during the entire year of 1971?

A. 190,000 B.210,000 C.230,000 D.250,000 E.270,000

94. Which of the following fractions is equal to the repeating decimal 0.3636….?

A.1/275 B.2/55 C.4/99 D.4/11 E.4/9

95. these questions refer to the following table.

If the population of State I had increased by the same amount each year from 1980 to 1988, approximately what would the population of State I have been in 1988?

A.7,628,000 B.7,676,000 C.7,698,000 D.7,710,000 E.7,716,000

96.

Column A: xy

Column B: 0

answer: C

97. A political poll showed that 80 percent of those polled said they would vote for proposition P. Of those who said they would vote for proposition P. 70 percent actually voted for P, and of those who did not say they would vote for P, 20 percent actually voted for P. What percent of those polled voted for P?

A.56% B.60% C.64% D.76% E.90%

98. For which of the following values of v is v+(1/v) greatest?

A. 0.002 B.0.005 C.2 D.5 E.200

99. What percent of the integers between 100 and 999, inclusive, have all three digits the same?

A.1% B.2% C.3% D.4% E.5%

100. The average (arithmetic mean) height for a group of m men is 70 inches, and the average height for a group of f women is 64 inches. When the groups are combined, the average height is 66 inches.

Column A: m

Column B: f

GRE数学考试中的难题涉及的范围比较广泛，考生在复习时一定要多注意日常的练习和积累。