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ASVAB (Armed Services Vocational Aptitude Battery) practice questions

244 free questions with answers and explanations.

Practice test
  1. 51.A student is investigating the properties of sound waves. She observes that sound travels faster through water than through air. Which physical property of the medium primarily explains this difference in speed?General Science (GS)
  2. 52.A client expressed a <b>disparate</b> view on the project's direction, leading to a lengthy debate.Word Knowledge (WK)
  3. 53.A historian noted that the ancient civilization's decline was due to its <b>decadent</b> lifestyle, marked by excessive luxury and moral decay.Word Knowledge (WK)
  4. 54.A historian noted that the ancient civilization thrived due to its <b>prodigious</b> agricultural output.Word Knowledge (WK)
  5. 55.The senator's speech was full of <b>platitudes</b>, offering no new solutions to the complex problems. What does 'platitudes' refer to?Word Knowledge (WK)
  6. 56.A reconnaissance drone is flying at an altitude of 500 feet. If it ascends at a rate of 75 feet per minute for 8 minutes, what is its new altitude?Mathematics Knowledge (MK)
  7. 57.Which word is an antonym for <b>candid</b>?Word Knowledge (WK)
  8. 58.Which word is an antonym for <b>profligate</b>?Word Knowledge (WK)
  9. 59.A drone operator is programming a flight path. The drone starts at point (3, -2) and moves 5 units to the left and 4 units up. What are the new coordinates of the drone?Mathematics Knowledge (MK)
  10. 60.The general's orders were <b>unequivocal</b>, leaving no room for misinterpretation by his troops.Word Knowledge (WK)
  11. 61.The newly discovered species of plant was found to be <b>endemic</b> to the isolated island, thriving only in its unique ecosystem.Word Knowledge (WK)
  12. 62.A supply technician is organizing a storeroom. If the storeroom is 12 feet long and 9 feet wide, what is its area in square feet?Mathematics Knowledge (MK)
  13. 63.A reconnaissance drone flies at an altitude of 1,500 feet. If its current speed is 180 miles per hour, what is the drone's speed in feet per second? (1 mile = 5,280 feet, 1 hour = 3,600 seconds)Mathematics Knowledge (MK)
  14. 64.A chemist is attempting to synthesize a new compound. She needs to increase the rate of reaction without being consumed in the process. Which of the following would be the most appropriate addition to her reaction mixture?General Science (GS)
  15. 65.The ancient philosopher's writings were often <b>abstruse</b>, requiring extensive study to comprehend.Word Knowledge (WK)
  16. 66.A maintenance crew is repainting a large circular helipad. If the diameter of the helipad is 30 meters, what is the area of the helipad to the nearest square meter? (Use π ≈ 3.14)Mathematics Knowledge (MK)
  17. 67.A soldier is on a 20-mile march. He completes the first 8 miles in 2 hours and 15 minutes. If he needs to complete the entire march in a total of 4 hours, what average speed, in miles per hour, must he maintain for the remaining distance?Arithmetic Reasoning (AR)
  18. 68.Which word is a synonym for <b>alacrity</b>?Word Knowledge (WK)
  19. 69.A biologist is studying a cell and observes that it contains mitochondria, ribosomes, and a cell membrane, but lacks a cell wall and chloroplasts. This cell is most likely from a(n):General Science (GS)
  20. 70.A medical specialist needs to dilute a concentrated solution. If 20 ml of a 75% antiseptic solution is mixed with 30 ml of water, what is the percentage concentration of the new solution?Mathematics Knowledge (MK)
  21. 71.A convoy of vehicles is traveling at a constant speed. If it covers 350 miles in 7 hours, and then continues for another 4 hours at the same speed, what is the total distance covered by the convoy?Mathematics Knowledge (MK)
  22. 72.A spacecraft is launched from Earth and travels to Mars. During its journey, which fundamental force is primarily responsible for keeping the spacecraft in a predictable trajectory around the Sun and then enabling it to orbit Mars?General Science (GS)
  23. 73.A supply chain analyst observes that a specific item's demand increases by 15% each month. If the current demand is 800 units, what will the demand be in 3 months?Arithmetic Reasoning (AR)
  24. 74.Which word is a synonym for <b>ameliorate</b>?Word Knowledge (WK)
  25. 75.A mess hall prepares 750 meals per day. If 3/5 of these meals are breakfast and lunch combined, and the ratio of breakfast to lunch meals is 2:3, how many lunch meals are prepared daily?Arithmetic Reasoning (AR)
  26. 76.Despite his initial protests, the defendant was ultimately found to have <b>abetted</b> the crime by providing the getaway vehicle. What does 'abetted' mean?Word Knowledge (WK)
  27. 77.A historian noted that the ancient civilization thrived due to its <b>benign</b> climate, which allowed for abundant agriculture.Word Knowledge (WK)
  28. 78.The committee decided to <b>repudiate</b> the proposed amendments, finding them unacceptable.Word Knowledge (WK)
  29. 79.The diplomat's efforts to broker peace were hampered by the <b>intransigent</b> demands of both factions.Word Knowledge (WK)
  30. 80.A chemist observes a substance that is a good conductor of electricity, has a high luster, and is malleable. Based on these properties, the substance is most likely a(n):General Science (GS)
  31. 81.A client expressed a <b>perfidious</b> disregard for the terms of the contract, leading to a lengthy legal dispute.Word Knowledge (WK)
  32. 82.A reconnaissance team covers 2.5 miles in 30 minutes. If they maintain this pace, how long will it take them to cover 10 miles?Arithmetic Reasoning (AR)
  33. 83.The ancient ruins were in a state of <b>pristine</b> preservation, with carvings still clearly visible.Word Knowledge (WK)
  34. 84.The scientist's <b>inscrutable</b> findings puzzled the entire research team.Word Knowledge (WK)
  35. 85.A communication specialist is installing a new antenna. The antenna mast is 12 feet tall, and a guy wire is anchored to the ground 5 feet away from the base of the mast. How long is the guy wire, assuming the mast is perpendicular to the ground?Mathematics Knowledge (MK)
  36. 86.A geophysicist is analyzing seismic waves to understand Earth's interior. Which type of seismic wave travels fastest through Earth's solid layers and is the first to arrive at a seismic station?General Science (GS)
  37. 87.A scientist is studying a newly discovered organism and observes that it lacks a nucleus and other membrane-bound organelles. Its genetic material is freely located in the cytoplasm. This organism is most likely a(n):General Science (GS)
  38. 88.Despite the team's best efforts, their innovative project was ultimately deemed <b>futile</b>. What does 'futile' mean?Word Knowledge (WK)
  39. 89.A space probe is designed to withstand extreme temperature variations. Which of the following mechanisms is the primary way heat is transferred from the sun to the probe through the vacuum of space?General Science (GS)
  40. 90.A pilot must maintain <b>aplomb</b> even in the face of unexpected turbulence or mechanical failures.Word Knowledge (WK)
  41. 91.Which word is a synonym for <b>benevolent</b>?Word Knowledge (WK)
  42. 92.A team of engineers is testing a new antenna. The signal strength 'S' in decibels is given by the formula S = 20 log(P), where 'P' is the power ratio. If the power ratio 'P' is 100, what is the signal strength 'S'?Mathematics Knowledge (MK)
  43. 93.A military supply truck travels 240 miles in 4 hours. If it maintains the same speed, how far will it travel in 7 hours?Arithmetic Reasoning (AR)
  44. 94.A supply officer is tracking inventory. If the number of spare parts decreases by 15% each month, and there are currently 800 parts, how many parts will there be after 2 months?Mathematics Knowledge (MK)
  45. 95.Despite the evidence, the prosecutor's argument was deemed <b>tenuous</b>, lacking solid support.Word Knowledge (WK)
  46. 96.A physicist is demonstrating the concept of specific heat capacity. She places two identical blocks, one aluminum and one iron, on a hot plate. After five minutes, the aluminum block feels significantly hotter than the iron block. Assuming both blocks started at the same temperature and received the same amount of heat, what does this observation imply?General Science (GS)
  47. 97.A military cook is preparing rations. If a recipe calls for 2 1/2 cups of flour per batch, and the cook needs to make 3 batches, how much flour is required in total?Mathematics Knowledge (MK)
  48. 98.A historian noted that the ancient civilization thrived due to its <b>salubrious</b> climate.Word Knowledge (WK)
  49. 99.A prosecutor presented a seemingly <b>irrefutable</b> argument, leaving the jury with little doubt of the defendant's guilt. What does 'irrefutable' suggest about the argument?Word Knowledge (WK)
  50. 100.A squad of 9 soldiers can dig a trench in 12 hours. If 3 more soldiers join the squad, how long will it take the expanded squad to dig the same trench, assuming all soldiers work at the same rate?Arithmetic Reasoning (AR)