ASVAB practice test Sample Questions
Try these free sample questions from the ASVAB practice test. Each one shows the correct answer and an explanation. The full practice tests covers: Arithmetic Reasoning, Auto and Shop Information, Electronics Information, General Science, Mathematics Knowledge, Mechanical Comprehension, Paragraph Comprehension, Word Knowledge.
Question 1
At Joe's Restaurant, one-fourth of the patrons are male and one-fifth of the patrons are from out of town. What proportion would you expect to be male and out of town?
- 1/5
- 1/10
- 1/20
- 1/25
- 1/50
Answer: 1/20
Explanation: If one-fourth of the patrons are male, then you would expect one-fourth of the out-of-town patrons to be male. One fourth of one-fifth is 1/20.
Question 2
If a patient doesn't receive treatment for a certain injury within 2 hours after injury, the patient's chance of survival starts decreasing by 15% each hour. If no treatment has been given within 4 hours after injury, roughly, what chance of survival will the patient have?
- 70%
- 72%
- 75%
- 77%
- 80%
Answer: 72%
Explanation: At the end of two hours, the patient still has a 100% chance of survival. After three hours, he has an 85% of survival, or 0.85. After four hours, he has an 85% of the 85% he had at the end of three hours: 0.85 * 0.85 = 72.25% chance of survival.
Question 3
William is from England and is visiting the United States. On his trip he visits Texas and notices that it is very hot. He looks at a thermometer and it reads 95 degrees fahrenheit. William wants to know what this converts to in Celcius?<br><br><font size="-1" color="red"><i>Assume C = (F- 32) / 1.8</i></font>
- 30 degrees C
- 35 degrees C
- 40 degrees C
- 45 degrees C
- 50 degrees C
Answer: 35 degrees C
Explanation: Substituting 95 for F in the equation yields C = (95 - 32) = 63 / 1.8 = 35 degrees C.
Question 4
What is the estimated product when 620 and 374 are rounded to the nearest hundred and multiplied?
- 12,000
- 24,000
- 60,000
- 120,000
- 240,000
Answer: 240,000
Explanation: 620 is rounded to 600; 374 is rounded to 400. 600 * 400 = 240,000.
Question 5
What is the primary purpose of an engine's radiator?
- To lubricate moving engine parts
- To remove heat from the engine coolant
- To increase fuel pressure
- To filter air entering the engine
Answer: To remove heat from the engine coolant
Explanation: The radiator transfers heat from the engine coolant to the surrounding air, helping keep the engine within its proper operating temperature.

