GED Mathematical Reasoning Exam (Mathematics) - GED-Mathematics 模擬練習

A roadway rises uniformly 12 meters over a horizontal distance of 80 meters, as shown in the diagram below.

What is x, the height (in meters) of the roadway at a horizontal distance of 60 meters from where the roadway began?

正解: A
The employees of a company can choose from the following types of medical coverage:4/5individual, family, and none. There are 600 employees, and of them have family medical coverage.
How many of the employees have family medical coverage?

正解: B

How many MORE votes did Viaman receive than the other three candidates combined?

正解: D
A painter uses the formula C = 20h + 20c to determine how much he should charge a customer in dollars if a job takes h hours and c cans of paint. How much should the painter charge if it took 15 hours and 3 cans of paint to paint a house?

正解: A

The committee responsible for making the arrangements for an upcoming conference can rent the following sizes of tables.
There are 600 people registered for the conference. All of the following combinations of tables will allow all those registered to be seated. Which will allow them to be seated at the LEAST cost?

正解: E

According to the graph, what is the maximum increase from the initial pulse rate in beats per minute?

正解: B

After two weeks, what was the approximate height (in centimeters) of the small plants that were not fertilized?

正解: A
CORRECT TEXT
In the diagram below, ABCD is a rectangle, and BE = BC

What is the measure, in degrees, of angle AEC?
正解:
135degrees

What was the amount of the bonus that Wanda used to open her savings account?

正解: D
The cost (c) to produce x units of corn and the revenue (r) from selling x units of corn are represented by the following functions:
c = 100x + 6000
r = 500x
How many units of corn must be sold for revenue to equal production cost?

正解: C
A community is concerned about the high volume of commuter traffic in front of its
elementary school between 8:30 A.M. and 9:00 A.M. The numbers of cars that passed without dropping off a student during that half hour on consecutive school days are:
65, 72, 83, 96, 53, 76, 54, 70, 75, 48, 56.
What is the mean (average) of these numbers of cars?

正解: E
If 3x + 30 = 9x, what is the value of x?

正解: D
Several numbers, some of which are the same, are represented by variables and arranged in order from least to greatest. The list of numbers is as follows:
a, b, b, c, d, d, d
What is the median of the numbers?
A)c B)d C)d - a D)

E)

正解: A