GED Mathematical Reasoning Exam (Mathematics) 認定 GED-Mathematics 試験問題:

1. John is taking a test that has ten questions. Each question has four answer choices with only one correct answer. Which of the following expressions shows the probability that
John could answer all ten questions correctly by randomly guessing the correct answers? A)

B)

C)

D)

E)

A) Option E
B) Option A
C) Option C
D) Option D
E) Option B

2. The annual salaries of the owner and employees of a small business are listed below.

The mean (average) salary of the 5 people is $31,000, and the median salary is $28,000.
What will happen to the mean and median salaries if the owner's salary increases to $60,000 and the other salaries remain the same?

A) Both the mean and the median will stay the same.
B) The mean will stay the same, and the median will increase.
C) The mean will increase, and the median will decrease.
D) The mean will increase, and the median will stay the same.
E) Both the mean and the median will increase.

3. 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?

A) 15
B) 20
C) 10
D) 25
E) 5

4.
What is the cost of 10 small boxes?

A) $ 4
B) $ 6
C) $12
D) $15
E) $ 5

5. A triangle that does not contain a right angle has one side that measures 15 cm and another that measures 6 cm.
What is the measure, in centimeters, of the third side of the triangle?

A) 15
B) 12
C) Not enough information is given.
D) 21
E) 9

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