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GRE考满分·题库

GRE考满分·题库

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全部图表题专项练习分难度套题练习 GRE数学6000题170逐考点专项练习 GRE数学170超高频“脏”题 GRE数学170超高频“坑”题 GRE数学170超高频“神”题

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题目列表

题目内容
If a is 60% of b, b is 40% of c, and c is 20% of d, then 6d is what percent of 20a?_____%
If 1 ≤ n ≤ 100, and $$\frac{(n+7)}{2}$$ is a multiple of 4 but not a multiple of 3, then which of the following could be true?Indicate all possible values.
In terms of y, what is the average (arithmetic mean) of 4y and 22 ?
Quantity A The average (arith?metic mean) of 14, 22, and 48 Quantity B The average (arith?metic mean) of 12, 22, and 50
2, 3, 5, 7 Quantity A The average (arithmetic mean) of the numbers above Quantity B The median of the numbers above
Susan travels by car at an average speed of 50 miles per hour for 4 hours and then at an average speed of 20 miles per hour for 2 hours. What is her average speed, in miles per hour, for the entire 6-hour trip?
Liz owns 2 green t-shirts, 4 blue t-shirts, and 5 red t-shirts. Quantity A The probability that Liz randomly selects a blue t-shirt Quantity B $$\frac{2}{5}$$
Quantity A The average (arithmetic mean) of 4 numbers, each less than 6 and greater than 5 Quantity B The median of 6 numbers, each less than 5 and greater than 4
For which of the following values of x is the mode of 2x, x + 5, 3x-2, 5x-7, and 4x equal to 4 ?
A hat contains 18 raffle tickets, numbered 1 through 18. If two raffle tickets are chosen at random from the hat, what is the probability that both tickets are even numbers?
k > j > 0 Quantity A The time it takes to read k words at j words per minute Quantity B The time it takes to read (k + 10) words at (j + 10) words per minute
How many committees of 5 members can be chosen from a group of 8 people?
The average (arithmetic mean) number of passengers on a subway car is 60. If the number of passengers on a car has a normal distribution with a standard deviation of 20, approximately what percent of subway cars carry more than 80 passengers?
If the average of 10, 12, n, and n is greater than 25, what is the least possible value of integer n ?
$$x,x^2,x^y,x^(y-1),x^4,x^6$$x > 1 Quantity A The mode of the numbers above when y = 4 Quantity B The median of the numbers above when y = 5
Trip A is 6x miles long and takes 5y hours. Trip B is 5x miles long and takes 4y hours. Quantity A The rate of trip A in miles per hour Quantity B The rate of trip B in miles per hour
If the probability that the first event will occur is $$\frac{1}{4}$$, and the probability that the second event will occur is $$\frac{1}{\sqrt(x+2)}$$, then what is the probability that both events will occur?
Five numbers in a set are arranged from least to greatest. If the median of the first two numbers is 13 and the average (arithmetic mean) of the remaining numbers is 23, what is the average (arithmetic mean) of the entire set?_____
A bag contains 12 marbles: 5 of the marbles are red, 3 are green, and the rest are blue. Quantity A The probability of consecutively choosing two red marbles and a green marble without replacement Quantity B The probability of consecutively choosing a red and two blue marbles with ?replacement
If the average (arithmetic mean) of 31, 41, and p is between 29 and 47, inclusive, what is the least possible value of $$(p–7)^2$$ =_____

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25000 +道题目

6本备考书籍

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