GED Math Pretest

ข้อสอบตัวอย่าง GED Math ครอบคลุมทุกทักษะ จำนวน 15 ข้อ วัดระดับความพร้อมในการสอบ GED Math

1 / 15

The function f(x) = 3x – 7 represents the cost (in dollars) of producing x items.
What is f(5) ?

8

15

22

23

2 / 15

A store sells notebooks for $2.50 each and pens for $1.20 each. If Maya buys 4 notebooks and x pens, the total cost is written as:

Which expression represents the total cost?

2.50 + 1.20x

4 ( 2.50 + x )

10 + 1.20x

4 ( 2.50 ) + 1.20x

3 / 15

A recipe requires wheat flour and sugar in a weight ratio of $5:2$ . If the baker has $1.5$ kilograms of sugar, how many grams of wheat flour must be used to maintain the correct ratio? ( $1$ kilogram $= 1000$ grams)

600 grams

3,000 grams

3,750 grams

3.75 grams

4 / 15

Jack earned $30,000 per year or two consecutive years. For each of the next three years, Jack earned $40,000 per year.

What was the median value of Jack's salary during the 5-year period ?

$30,000

$35,000

$36,000

$40,000

5 / 15

A limo company charges $28.50 for the first 9 miles plus an additional $4.50 for each extra mile. What is the cost of a 15 mile limo ride ?

$268.4

$283.5

$256.5

$277

6 / 15

Which number equals 4 hundredths ?

0.4

0.04

0.004

400

7 / 15

If the base of a triangle is 8 inches and the area of the triangle is 48 square inches, what is the height of the triangle ?

6 inches

8 inches

10 inches

12 inches

8 / 15

The distance between two planets is 4,560,000,000 miles. Express this in scientific notation.

4.56 x 10^6

4.56 x 10^7

456 x 10^7

4.56 x 10^9

9 / 15

A student has scored 78, 85, and 90 on their first three math tests. What score must they get on the fourth test to have an overall average (mean) of exactly 85?

85

87

88

89

10 / 15

What is the slope of the line that passes through the points $(2, 5)$ and $(6, 13)$ ?

1/2

2

4

8

11 / 15

A farm has chickens (2 legs) and cows (4 legs). There are a total of 20 heads and 56 legs. Which system of equations represents this situation if $x$ is the number of chickens and $y$ is the number of cows?

x + y = 20 and 2x + 4y = 56

x + y = 56 and 2x + 4y = 20

x - y = 20 and 4x + 2y =56

x + y = 20 and 4x + 2y = 56

12 / 15

What is the slope of the line ?

-2

2

-1/2

1/2

13 / 15

The square root of 73 lies between which two integers ? ( Note: You may not use a calculator. )

6 and 7

7 and 8

8 and 9

9 and 10

14 / 15

A bag contains 6 blue marbles, 5 red marbles, 3 green marbles, and 2 yellow marbles.

If 2 marbles are removed from the bag one at a time, without being replaced, what is the probability of selecting 2 red marbles in a row ?

5/16

4/15

1/12

9/31

15 / 15

What is the area of the triangular base of the prism ?

6

10

12

36

Your score is

0%

Exit