GED Math Practice Test 1

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Take GED Math Exam #2

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Question 1 of 20

1. Question

10 people can paint a building in 5 days. If each person paints as quickly as the others then how much of the building could 7 people paint in 5 days?

a. 7/5
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b. 5/7
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c. 7/10
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d. 10/7
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Question 2 of 20

2. Question

How many meters are there in 21 feet?

a. 6.4615
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b. 646.15
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c. 6825
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d. 68.25
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Hint

In the metric system of units: 1 meter = 100 centimeters and 1 meter:1 foot = 3.25:1
Question 3 of 20

3. Question

What is the x value such that y =15 – 3x and y = 0?

a. 15
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b. 5
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c. 3
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d. 0
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Question 4 of 20

4. Question

Put these four fractions in order from smallest to largest: 1/4, 2/3, 4/7, 1/2

a. 1/4, 1/2, 4/7, 2/3
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b. 1/4, 1/2, 2/3, 4/7
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c. 1/2, 2/3, 1/4, 4/7
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d. 1/4, 4/7, 1/2, 2/3
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Question 5 of 20

5. Question

On a number line what is the distance between -3/7 and -2/3 ?

a. 23/21
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b. 1/4
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c. 5/21
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d. -23/21
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Question 6 of 20

6. Question

An isosceles triangle has two equal sides. If two of the sides are 5 inches and 2 inches, what is the perimeter of the triangle?

a. 19 inches
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b. 12 inches
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c. 10 inches
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d. None of the above
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Question 7 of 20

7. Question

The cylinder below has r = 10 inches and a volume of 6283 cubic inches to the nearest cubic inch. Find the height of the cylinder to the nearest inch.

a. 25 inches
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b. 3 inches
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c. 10 inches
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d. 20 inches
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Question 8 of 20

8. Question

A rocket on a computer screen has a path modeled by the equation h=-t²+3t+10 where t is time in seconds and h is the height above a platform and is in computer units. Find how long the rocket takes to reach the platform.

a. 2 seconds
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b. 10 seconds
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c. 12 seconds
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d. 5 seconds
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Question 9 of 20

9. Question

In the diagram below, which line has a positive slope?

a. AB
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b. AD
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c. AC
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d. DB
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Question 10 of 20

10. Question

In the diagram below, what are the coordinates of the mirror image of the point B in the x-axis?

a. (3,-4)
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b. (3,-2)
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c. (-3,2)
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d. (2,3)
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Question 11 of 20

11. Question

One third of the candidates for a job were 25 years old or younger. Two sevenths of the candidates were at least 50 years old. If 84 people applied for the job, how many were between 25 and 50?

a. 32
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b. 28
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c. 24
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d. 33
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Question 12 of 20

12. Question

Which of the following is a factor of 450 and multiple of 25?

a. 30
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b. 75
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c. 90
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d. 100
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Question 13 of 20

13. Question

The formula h – 15 = 3.2t gives the height h in inches of a plant t weeks after planting.

Which is the rate at which the plant’s height is increasing?

a. 15 inches per week
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b. 18.2 inches per week
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c. 3.2 inches per week
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d. 48 inches per week
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Question 14 of 20

14. Question

The formula h -15 = 3.2t gives the height h in inches of a plant t weeks after planting.

How high was the initial height of the shrub?

a. 15 inches
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b. 3.2 inches
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c. 18.2 inches
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d. 11.8 inches
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Question 15 of 20

15. Question

The formula h -15 = 3.2t gives the height h in inches of a plant t weeks after planting.

When was the height 31 inches?

a. Some time between 11 and 18 weeks
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b. Some time between 7 and 12 weeks
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c. Some time between 6 and 10 weeks
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d. Some time between 3 and 7 weeks
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Question 16 of 20

16. Question

A graph of the temperature T (degrees Fahrenheit) in a refrigerator t hours after midday.

What is the equation of the axis of symmetry of this graph?

a. T = 9
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b. t = 3
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c. T = 0
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d. t = 0
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Question 17 of 20

17. Question

A graph of the temperature T (degrees Fahrenheit) in a refrigerator t hours after midday.

It is necessary to find the times when the temperature is 8^o F. Which of the following is the correct equation to do this.

a. 9 – t = 8
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b. 9 + t² = 8
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c. 9 + t² = 8
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d. 9t – t² = 8
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Question 18 of 20

18. Question

Which of the following is the equation of the straight line joining the points on the graph corresponding to t = 2 and t = 1?

a. T + 3t = 11
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b. T – 3t = 11
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c. T + 11t = 3
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d. T + 3t = 1
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Question 19 of 20

19. Question

The formula for the volume V of the sphere = 4(pi)r³ / 3. Which of the following is the closest approximation to the volume when r, the radius, is 11 inches?

a. 6000 cubic inches
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b. 5590 cubic inches
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c. 5573 cubic inches
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d. 5000 cubic inches
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Correct

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Question 20 of 20

20. Question

If the radius of the sphere were doubled by what factor would the surface area be enlarged?

a. 2
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b. 4
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c. 8
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d. 16
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Hint

The formula for the surface area S of the sphere = 4 x (pi) x r²