最新GRE猴哥数学难题解析(六)

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编辑点评: 大家在备考GRE数学的时候,最好的办法就是多做题,打牢自己的数学基础知识。本文为大家整理了一些GRE数学考试中出现的难题,大家仔细研读,找出自己的薄弱点,对症下药,希望对大家的备考有帮助。

下面就为大家详细例举GRE数学考试中的难题:

51.The percent increase from the least monthly car sales shown to the sales in July 1993 was most nearly equal to____

A.20%    B.35%    C.45%    D.55%    E.65%

52. For which symptom are the ratings closest to the arithmetic mean for that symptom, as measured by the standard deviation of its ratings?

A.H    B.L    C.P    D.T    E.V

53. The cost of sending a package special delivery is x cents per ounce up to 10 ounces and y cents for each ounce in excess 10. Which of the following represents the total cost, in cents, of sending special delivery a package weighing w ounces, if w > 10?

A. x+(w-10)y+10

B. x+(w-10)+y

C. 10x+10(w-y)

D.10x+y(w-10)

E. 10x+wy

54. The jewels in a certain tiara consist of diamonds, rubies, and emeralds. If the ratio of diamonds to rubies is 5/6 and the ratio of rubies to emeralds is 8/3, what is the least number of jewels that could be in the tiara?

A.16 B.22C.40D.53E.67

55.Column A: The area of the triangular region.

     Column B: The area of the circular region.

answer: D

56.If 3 cars have traveled a total of 180,000 miles and the distance traveled by each car differs by at least 1 mile from the distance traveled by either of the other 2 cars, what is the minimum possible number of mile traveled by the car with most mileage?

A.60,001   B.60,002   C.61,000   D.91,000   E.180,000

57. According to the graph, which of the following statements must be true?

(1). For each of the years 1986 through 1990, the number of cat licenses issued was greater than that of the previous year.

(2). In Town x more households had dogs in 1986 than in 1985.

(3). For at least one of the years shown, the number of cat licenses issued was more than 3/2 times the number of dog licenses issued.

A. (1)only    B.(2)only   C.(3)omly   D.(1)and(2)   E.(1)and(3)

58. How many 4-digit numbers begin with an odd digit and end with an even digit?

A.250   B.500   C.2,000   D.2.500   E.5.000

59.answer: A

60. In a bowl that contains 20 marbles, 7 are green, 6 are red, and the remainder are blue. Two marbles are to be drawn at random from the bowl without replacement.

Column A: The probability that one marble is green and the other marble is red.

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。  

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