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ASVAB (Armed Services Vocational Aptitude Battery) practice questions

244 free questions with answers and explanations.

Practice test
  1. 1.Which of the following is the primary product of photosynthesis?General Science (GS)
  2. 2.The diplomat's <b>conciliatory</b> tone helped to de-escalate the tense negotiations.Word Knowledge (WK)
  3. 3.A satellite orbits Earth at an altitude where gravitational force is 1/4th of what it is on the surface. If an object weighs 100 N on Earth's surface, what would its weight be at this altitude?General Science (GS)
  4. 4.The ancient philosopher's arguments were so <b>insidious</b> that they gradually undermined the established beliefs of his time.Word Knowledge (WK)
  5. 5.Which of the following is the primary function of red blood cells in the human body?General Science (GS)
  6. 6.The scientist was known for his <b>fastidious</b> attention to detail, meticulously recording every observation in his lab notebook. What does 'fastidious' describe?Word Knowledge (WK)
  7. 7.A military base needs to store 3600 gallons of water. They have cylindrical tanks with a radius of 3 feet and a height of 7 feet. If each tank can hold approximately 198 gallons (using π ≈ 22/7), how many tanks are needed to store all the water?Arithmetic Reasoning (AR)
  8. 8.The ancient ruins were in a state of <b>dilapidation</b>, with crumbling walls and overgrown foliage.Word Knowledge (WK)
  9. 9.A biologist observed a <b>plethora</b> of species in the newly discovered rainforest. What does 'plethora' mean in this context?Word Knowledge (WK)
  10. 10.The ancient philosopher's arguments were so <b>recondite</b> that only a handful of his most dedicated students could grasp them.Word Knowledge (WK)
  11. 11.A military base needs to order new fencing for a rectangular storage yard. The yard is 150 feet long and 75 feet wide. If fencing is sold in rolls of 50 feet, how many rolls must be purchased to enclose the entire yard?Mathematics Knowledge (MK)
  12. 12.A supply officer is calculating the total cost of 15 cases of MREs (Meals Ready-to-Eat). If each case costs $48.75, what is the total cost?Mathematics Knowledge (MK)
  13. 13.Which word is a synonym for <b>ignominious</b>?Word Knowledge (WK)
  14. 14.A historian noted that the ancient civilization thrived due to its <b>clement</b> weather patterns which allowed for abundant harvests.Word Knowledge (WK)
  15. 15.A convoy of vehicles is traveling at an average speed of 45 miles per hour. If they need to cover a distance of 315 miles, how many hours will the journey take?Mathematics Knowledge (MK)
  16. 16.Which of the following describes the process by which a star generates energy?General Science (GS)
  17. 17.Which word is an antonym for <b>ubiquitous</b>?Word Knowledge (WK)
  18. 18.A military analyst is tracking troop movements. If a unit starts at point A (-4, 3) and moves 6 units to the right and 8 units down, what are the new coordinates of the unit's position?Mathematics Knowledge (MK)
  19. 19.An artillery observer calculates the range to a target. If the target is 8 kilometers away and the shell travels at an average speed of 400 meters per second, how long will it take for the shell to reach the target?Mathematics Knowledge (MK)
  20. 20.A technician is setting up an electromagnet. To increase the strength of the magnetic field, which of the following actions would be most effective?General Science (GS)
  21. 21.A technician found the old machinery to be quite <b>obsolete</b>, requiring a complete upgrade.Word Knowledge (WK)
  22. 22.A construction crew is pouring concrete. If 3 workers can pour a foundation in 8 hours, how many hours will it take 4 workers to pour the same foundation, assuming they work at the same rate?Mathematics Knowledge (MK)
  23. 23.A cargo plane is loaded with 12 crates, each weighing 1/3 of a ton. If the plane also carries a vehicle weighing 2 and 1/2 tons, what is the total weight of the cargo in tons?Mathematics Knowledge (MK)
  24. 24.A medical specialist is preparing a saline solution. If they need to prepare 2.5 liters of a solution and each liter requires 9 grams of salt, how much salt is needed in total?Mathematics Knowledge (MK)
  25. 25.Which word is an antonym for <b>sycophant</b>?Word Knowledge (WK)
  26. 26.Which word is an antonym for <b>gregarious</b>?Word Knowledge (WK)
  27. 27.A technician found the old machinery to be quite <b>maladroit</b>, constantly causing errors and requiring frequent repairs.Word Knowledge (WK)
  28. 28.A technician is calibrating a sensor designed to measure the amount of light passing through a solution. Which property of light is most relevant to the sensor's ability to detect how much light is absorbed by the solution?General Science (GS)
  29. 29.The newly discovered ancient artifact was found to be <b>venerable</b>, having survived millennia.Word Knowledge (WK)
  30. 30.A pilot must maintain <b>equanimity</b> even in the face of unexpected turbulence or mechanical issues.Word Knowledge (WK)
  31. 31.A satellite orbits Earth at a constant speed, but its velocity is continuously changing. This phenomenon occurs because:General Science (GS)
  32. 32.Which word is an antonym for <b>prodigal</b>?Word Knowledge (WK)
  33. 33.A marine biologist is studying an ecosystem near a hydrothermal vent deep in the ocean. Unlike surface ecosystems, which rely on sunlight, the primary producers in this environment obtain energy through a process called:General Science (GS)
  34. 34.A soldier is setting up a field communication antenna. A 25-foot cable runs from the top of a 20-foot mast to an anchor point on the ground. How far from the base of the mast is the anchor point, assuming the mast is perpendicular to the ground?Mathematics Knowledge (MK)
  35. 35.A pilot determines that 3/8 of the mission's flight path covers enemy territory. If the total mission flight path is 1200 miles, and 1/4 of the enemy territory portion is heavily defended, how many miles of the flight path are heavily defended?Arithmetic Reasoning (AR)
  36. 36.The ancient text contained several <b>esoteric</b> passages that only scholars with specialized knowledge could decipher. What does 'esoteric' mean?Word Knowledge (WK)
  37. 37.The ancient manuscript was filled with <b>arcane</b> symbols, known only to a select few scholars.Word Knowledge (WK)
  38. 38.A client expressed a <b>capricious</b> disregard for the terms of the contract, leading to frequent disputes.Word Knowledge (WK)
  39. 39.A biologist is studying the process of protein synthesis within a cell. Which of the following correctly describes the flow of genetic information from DNA to functional protein?General Science (GS)
  40. 40.A military convoy consists of 20 vehicles. If 35% of the vehicles are armored personnel carriers (APCs) and the rest are supply trucks, how many supply trucks are in the convoy?Arithmetic Reasoning (AR)
  41. 41.A logistics officer is planning to load cargo onto a truck. The truck has a maximum weight capacity of 7.5 tons. If each pallet of supplies weighs 1,200 pounds, what is the maximum number of pallets that can be loaded without exceeding the truck's capacity? (1 ton = 2,000 pounds)Mathematics Knowledge (MK)
  42. 42.A pilot must exercise <b>prudence</b> when making critical decisions during adverse weather conditions.Word Knowledge (WK)
  43. 43.Despite the team's best efforts, their innovative project was ultimately deemed <b>specious</b>, based on flawed data and unsupported claims.Word Knowledge (WK)
  44. 44.Which word is an antonym for <b>insipid</b>?Word Knowledge (WK)
  45. 45.A pilot is calculating fuel consumption. If an aircraft burns 25 gallons of fuel per hour, how many gallons will it burn in 3 hours and 30 minutes?Mathematics Knowledge (MK)
  46. 46.A historian noted that the ancient civilization thrived due to its <b>sagacious</b> leaders. What does 'sagacious' mean?Word Knowledge (WK)
  47. 47.Which word is a synonym for <b>ephemeral</b>?Word Knowledge (WK)
  48. 48.Which word is an antonym for <b>mercurial</b>?Word Knowledge (WK)
  49. 49.The alchemist's quest to turn lead into gold was considered <b>chimerical</b> by his contemporaries. What does 'chimerical' imply about the quest?Word Knowledge (WK)
  50. 50.A production line worker needs to calculate the total length of 15 identical metal rods. Each rod measures 3 feet 8 inches. What is the total length of all the rods combined?Mathematics Knowledge (MK)