【GRE考满分题库检索】GRE 题目搜索_数学

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题目内容
The table shows the relative frequency distribution of the numbers in data set B. Which of the following boxplots is a summary of the numbers in data set B?
A rectangular piece of sheet metal has a width of $$w$$ centimeters, where $$w \geq 30$$. The length of the sheet metal is 3.5 times its width. If squares with sides of length 10 centimeters are removed from each corner of the sheet metal and the sides are folded up to make an open box, what is the volume of the box?
If $$x$$ is a positive integer and $$x \gt 5$$, which of the following could be the units digit of $$19^{x}$$? Indicate all such digits.
Of the paperbacks in a private library, 5 percent are biographies. If 3 percent of all the books in the library are paperbacks that are biographies, what percent of all the books in the library are paperbacks?
Approximately how many days will it take for a space vehicle to travel $$5.5(10^{7})$$ kilometers at an average speed of 10 kilometers per second?
$$n$$ is a positive integer. Quantity A The remainder when $$n(n^{2}-1)$$ is divided by 6 Quantity B 1
What is the units digit of the sum $$13^{10}+17^{10}$$ ?
A teacher will assign a group project to 2 or more of the 4 students James, Kalla, Lomi, and Michelle. To how many different groups of students can the teacher assign the project?
In a local election there are 2 candidates for mayor, 4 candidates for sheriff, and 5 candidates for dogcatcher on the ballot. In each of the three categories a voter may vote for exactly one candidate or none. How many different ways can a voter fill out the ballot?
In the xy-plane, which of the following values are x-intercepts of the graph of the equation $$y= \frac{x−1}{x+3}$$? Indicate all such values.
Which of the following best represents the graph of y = \|x\| + x in the xy-plane?
$$0 < a < b < c$$ Quantity A The standard deviation of the seven numbers $$-c, -b, -a, 0, a, b, c$$ Quantity B The standard deviation of the seven numbers $$-c^{2}, -b^{2}, -a^{2}, 0, a^{2}, b^{2}, c^{2}$$
Square ABCD has sides of length 1. Arc AC is an arc of the circle of radius 1 centered at B. Arc BD is an arc of the circle of radius 1 centered at A. These arcs divide the square into four regions, $$S_1, S_2, S_3$$, and $$S_4$$. Quantity A The area of region $$S_1$$ minus the area of region $$S_3$$ Quantity B $$\frac{π}{2}-1$$
a, b, c, d, e, f, g, h, i, j Let S be the set of all 10-letter sequences consisting of the 10 letters above. Let T be the set of all 8-letter sequences consisting of the first 8 letters above. Quantity A The number of sequences in S in which f, b, h, and g appear consecutively in that order Quantity B The number of sequences in T in which f and b appear consecutively in that order
A bowl contains jelly beans, 10 percent of which are green and the rest are blue. To this bowl n green jelly beans and 10n blue jelly beans will be added, where n > 0. Quantity A After the 11n jelly beans are added to the bowl, the percent of the jelly beans in the bowl that will be green Quantity B 10%
Of the following, which is closest to the percent increase in the number of subscribers from quarter I to quarter Il of 1997?
The increase from quarter IV of 1997 to quarter l of 1998 in the total time that the subscribers spent on-line daily was approximately how many million minutes?
From quarter I of 1997 to quarter IV of 1998, the average (arithmetic mean) increase per quarter in the number of subscribers was approximately how many million?
The unit price for tablecloths at a certain store is $0.015 per square inch. At this rate, what is the total price at the store for a tablecloth with an area of 20 square feet? (1 foot=12 inches) $_____
A town library held a reading drive, in which 20 elementary school students were asked to record the number of books they read over the summer. Only whole numbers of books were recorded. The table above shows the results of the reading drive. The average (arithmetic mean) number of books read by the students was 2 books per student. Which of the following statements individually provide(s) sufficient additional information to conclude that only one student read only 5 books? Indicate all such statements.