Free Asvab Practice Test (2025) Questions
General Science
Question: Which of the following is the basic structural unit of all living organisms?
Answer: Cell
Question: What is the chemical symbol for the element oxygen?
Answer: O
Question: What is the process by which plants make their own food using sunlight?
Answer: Photosynthesis
Question: What is the pH scale used to measure?
Answer: Acidity
Question: Which gas is essential for respiration in humans?
Answer: Oxygen
Question: What is the largest organ in the human body?
Answer: Skin
Question: Which vitamin is essential for proper blood clotting?
Answer: Vitamin K
Question: What is the powerhouse of the cell?
Answer: Mitochondria
Question: Which of the following is a primary color of light?
Answer: Blue
Question: What is the chemical formula for water?
Answer: H2O
Question: What is the chemical symbol for the element with atomic number 79?
Answer: Au
Question: What is the process by which plants take in carbon dioxide and release oxygen?
Answer: Photosynthesis
Question: What is the chemical symbol for the element with atomic number 1?
Answer: H
Arithmetic Reasoning
Question: A shirt costs $20. If it is on sale for 30% off, what is the sale price?
Answer: $14
Question: If the average of five numbers is 15, what is the sum of the numbers?
Answer: 75
Question: If a car travels at a speed of 60 miles per hour, how far will it travel in 2.5 hours?
Answer: 150 miles
Question: Sara earns $500 per week. If she saves 20% of her earnings, how much does she save in a month?
Answer: $900
Question: If 3x = 15, what is the value of x?
Answer: 5
Question: A rectangular garden has a length of 12 meters and a width of 8 meters. What is the area of the garden?
Answer: 96 square meters
Question: If the price of a product is increased by 20%, how much is the new price if the original price was $50?
Answer: $62
Question: The sum of two numbers is 48, and their difference is 12. What are the two numbers?
Answer: 20, 28
Question: If a shirt costs $25 and is on sale for 15% off, what is the sale price?
Answer: $21.25
Question: If a recipe calls for 2 cups of flour to make 24 cookies, how many cups of flour are needed to make 36 cookies?
Answer: 3 cups
Question: If a car travels at a constant speed of 50 miles per hour, how long will it take to travel 200 miles?
Answer: 4 hours
Question: The total cost of 5 books is $75. What is the cost of each book?
Answer: $15
Question: If the perimeter of a square is 36 meters, what is the length of one side?
Answer: 8 meters
Question: A bag contains 8 red marbles, 5 blue marbles, and 3 green marbles. What is the probability of picking a blue marble?
Answer: 2/5
Question: If the sum of three consecutive integers is 54, what are the integers?
Answer: 18, 20, 22
Question: Solve for x: 2x + 5 = 15.
Answer: 8
Question: If a shirt costs $30 and is on sale for 25% off, what is the sale price?
Answer: $22.50
Question: The average of three numbers is 18. If two of the numbers are 15 and 20, what is the third number?
Answer: 18
Question: If 4x = 36, what is the value of x?
Answer: 9
Question: The sum of two numbers is 40, and their difference is 8. What are the two numbers?
Answer: 16, 24
Question: If the area of a rectangle is 48 square meters and the length is 12 meters, what is the width?
Answer: 3 meters
Question: A recipe calls for 3 cups of sugar to make 36 cookies. How many cups of sugar are needed to make 48 cookies?
Answer: 4.5 cups
Question: If the product of two numbers is 45 and one of the numbers is 9, what is the other number?
Answer: 5
Question: If a car travels at a constant speed of 40 miles per hour, how long will it take to travel 160 miles?
Answer: 5 hours
Question: A rectangular garden has a length of 15 meters and a width of 10 meters. What is the area of the garden?
Answer: 100 square meters
Question: If a shirt costs $35 and is on sale for 20% off, what is the sale price?
Answer: $28
Question: If the sum of three consecutive integers is 72, what are the integers?
Answer: 26, 28, 30
Question: Solve for x: 3x - 7 = 14.
Answer: 8
Word Knowledge
Question: What is the synonym for 'abandon'?
Answer: Forsake
Question: Choose the word that is an antonym for 'benevolent'.
Answer: Malevolent
Question: Which word is a synonym for 'ephemeral'?
Answer: Brief
Question: Select the antonym for 'arduous'.
Answer: Easy
Question: What is the meaning of the word 'altruistic'?
Answer: Noble
Question: Identify the synonym for 'assuage'.
Answer: Soothe
Question: Choose the antonym for 'ephemeral'.
Answer: Enduring
Question: What is the synonym for 'deprecate'?
Answer: Condemn
Question: Select the antonym for 'frugal'.
Answer: Wasteful
Question: Which word is a synonym for 'prolific'?
Answer: Fruitful
Question: Identify the antonym for 'magnanimous'.
Answer: Selfish
Question: What is the meaning of the word 'esoteric'?
Answer: Mysterious
Question: Choose the synonym for 'querulous'.
Answer: Complaining
Question: Select the antonym for 'precipitous'.
Answer: Gradual
Question: What is the synonym for 'cogent'?
Answer: Compelling
Question: Identify the antonym for 'ephemeral'.
Answer: Enduring
Question: Choose the word that is a synonym for 'benevolent'.
Answer: Kind
Question: What is the meaning of the word 'acquiesce'?
Answer: Consent
Question: Select the antonym for 'fortuitous'.
Answer: Planned
Question: Which word is a synonym for 'vex'?
Answer: Anger
Question: Identify the synonym for 'eloquent'.
Answer: Articulate
Question: Choose the antonym for 'arduous'.
Answer: Easy
Question: What is the meaning of the word 'conundrum'?
Answer: Riddle
Question: Select the synonym for 'auspicious'.
Answer: Favorable
Question: Choose the antonym for 'exacerbate'.
Answer: Alleviate
Question: What is the synonym for 'querulous'?
Answer: Complaining
Question: Identify the antonym for 'frivolous'.
Answer: Serious
Question: Which word is a synonym for 'ubiquitous'?
Answer: Common
Question: Select the antonym for 'pragmatic'.
Answer: Idealistic
Question: What is the meaning of the word 'opulent'?
Answer: Wealthy
Mathematics Knowledge
Question: If 2a + 5 = 15, what is the value of a?
Answer: 5
Question: What is the perimeter of a rectangle with length 8 meters and width 5 meters?
Answer: 26 meters
Question: If 4x + 3 = 19, what is the value of x?
Answer: 5
Question: What is the area of a triangle with base 6 meters and height 9 meters?
Answer: 27 square meters
Question: Simplify: 2(3x - 5) + 4x.
Answer: 10x + 10
Question: If 5y = 35, what is the value of y?
Answer: 7
Question: Find the value of 2^3 + 4 * 2.
Answer: 20
Question: The sum of two numbers is 45. If one number is 23, what is the other number?
Answer: 24
Question: If x + 8 = 20, what is the value of x?
Answer: 8
Question: What is the square of 7?
Answer: 49
Question: If 3n - 7 = 17, what is the value of n?
Answer: 8
Question: Find the product of 6 and 9.
Answer: 54
Question: If 2x + 4 = 12, what is the value of x?
Answer: 5
Question: What is the value of 4^2 - 5?
Answer: 11
Question: If 2p - 3 = 9, what is the value of p?
Answer: 7
Question: What is the area of a square with side length 10 meters?
Answer: 100 square meters
Question: If 3a + 2 = 14, what is the value of a?
Answer: 6
Question: What is the value of 5 + 3 * 2?
Answer: 18
Question: If b - 6 = 12, what is the value of b?
Answer: 20
Question: What is the sum of 15 and 9?
Answer: 26
Question: If 2x - 3 = 9, what is the value of x?
Answer: 6
Question: What is the value of 3^2 + 4 * 2?
Answer: 27
Question: If 4k + 5 = 21, what is the value of k?
Answer: 4
Question: Find the product of 7 and 8.
Answer: 56
Question: If 3m - 2 = 13, what is the value of m?
Answer: 6
Question: What is the value of 2^4 - 3?
Answer: 13
Question: If 6n + 8 = 26, what is the value of n?
Answer: 4
Question: What is the perimeter of a square with side length 12 centimeters?
Answer: 48 centimeters
Question: If x + 5 = 15, what is the value of x?
Answer: 8
Electronics Information
Question: What does LED stand for?
Answer: Light Emitting Diode
Question: Which of the following is a basic electronic component?
Answer: Transistor
Question: What is the primary function of a resistor?
Answer: Control current flow
Question: Which type of circuit allows current to flow along multiple paths?
Answer: Parallel
Question: What is the purpose of a capacitor?
Answer: Store electrical energy
Question: Which of the following is a type of diode?
Answer: Zener
Question: In electronics, what does AC stand for?
Answer: Alternating Current
Question: What is the function of an inductor?
Answer: Control current flow
Question: What does the acronym CPU stand for?
Answer: Central Processing Unit
Question: Which of the following is a common semiconductor material?
Answer: Silicon
Question: What is the primary purpose of a transistor?
Answer: Amplify signals
Question: In electronics, what is the function of a relay?
Answer: Switch circuits
Question: Which of the following is an example of an input device?
Answer: Keyboard
Question: What does the acronym RAM stand for?
Answer: Random Access Memory
Question: In electronics, what does DC stand for?
Answer: Direct Current
Question: What is the purpose of a fuse in an electrical circuit?
Answer: Prevent excessive current
Question: Which of the following is a primary color in electronic displays?
Answer: Green
Question: What does the acronym LED stand for?
Answer: Light Emitting Diode
Auto and Shop Information
Question: Which tool is used for measuring the gap in spark plugs?
Answer: Feeler Gauge
Question: In an automotive context, what does ABS stand for?
Answer: Anti-Lock Braking System
Question: What is the function of a carburetor in an internal combustion engine?
Answer: Mix air and fuel
Question: Which type of motor oil is commonly used in diesel engines?
Answer: 10W-40
Question: What does the acronym HVAC stand for in the context of automobiles?
Answer: Heating, Ventilation, and Air Conditioning
Question: Which part of a vehicle's suspension system helps reduce body roll during cornering?
Answer: Stabilizer bar
Question: What does PSI stand for in relation to tire pressure?
Answer: Pounds per Square Inch
Question: In an automotive context, what does RPM stand for?
Answer: Revolutions Per Minute
Question: Which type of brake system is commonly found in modern vehicles?
Answer: Disc brakes
Question: What is the purpose of the alternator in a vehicle?
Answer: Charge the battery
Question: Which of the following is a component of the exhaust system?
Answer: Catalytic converter
Question: What does the term 'horsepower' measure in an engine?
Answer: Power output
Question: Which type of transmission requires the driver to manually shift gears?
Answer: Manual transmission
Question: What is the purpose of the serpentine belt in a vehicle's engine?
Answer: Drive multiple engine components
Question: Which part of the engine is responsible for opening and closing the intake and exhaust valves?
Answer: Camshaft
Question: What does the acronym ABS stand for in the context of brakes?
Answer: Anti-Lock Braking System
Question: Which type of transmission provides a seamless flow of power without distinct gears?
Answer: Continuously Variable Transmission (CVT)
Question: What does the term 'torque' measure in an engine?
Answer: Twisting force
Question: In an automotive context, what does ATF stand for?
Answer: Automatic Transmission Fluid
Question: What is the primary purpose of a fuel injector in an engine?
Answer: Mix air and fuel
Question: Which type of oil is typically used in a vehicle's engine?
Answer: Engine oil
Question: What does the acronym GPS stand for in the context of vehicles?
Answer: Global Positioning System
Question: Which of the following is a safety feature commonly found in modern vehicles?
Answer: Airbags
Question: In an automotive context, what does OBD stand for?
Answer: On-Board Diagnostics
Question: What is the purpose of the catalytic converter in a vehicle?
Answer: Clean the exhaust gases
Question: Which of the following is a component of the cooling system in a vehicle?
Answer: Radiator
Question: What is the function of a timing belt in a vehicle?
Answer: Drive multiple engine components
Question: Which part of the engine is responsible for converting reciprocating motion into rotational motion?
Answer: Crankshaft
Mechanical Comprehension
Question: Which of the following simple machines is a flat surface inclined at an angle to the horizontal?
Answer: Inclined Plane
Question: What law states that for every action, there is an equal and opposite reaction?
Answer: Newton's Third Law
Question: In a hydraulic system, what is the purpose of the piston?
Answer: Amplifies force
Question: Which type of gear system changes the direction of rotation?
Answer: Bevel gears
Question: What is the SI unit of force?
Answer: Newton
Question: In an electrical circuit, what does a resistor do?
Answer: Controls current flow
Question: What does the term 'mechanical advantage' refer to in a machine?
Answer: Force amplification
Question: In a lever system, where is the fulcrum located?
Answer: In the middle
Question: Which of the following materials is a good conductor of electricity?
Answer: Copper
Question: What law of thermodynamics states that energy cannot be created or destroyed, only transferred or converted?
Answer: First Law
Question: In a hydraulic system, what is the purpose of the reservoir?
Answer: Stores hydraulic fluid
Question: Which of the following is an example of a third-class lever?
Answer: Tweezers
Question: What is the function of a flywheel in a machine?
Answer: Store rotational energy
Question: In a gear system, if the driver gear has 20 teeth and the driven gear has 40 teeth, what is the gear ratio?
Answer: 2:1
Question: Which of the following is an example of a first-class lever?
Answer: Seesaw
Question: What is the purpose of a pulley in a system?
Answer: Transfer motion
Question: In an electrical circuit, what does a capacitor do?
Answer: Stores electrical charge
Question: Which of the following is an example of a second-class lever?
Answer: Wheelbarrow
Question: What is the formula for calculating mechanical advantage in a simple machine?
Answer: MA = Output Force / Input Force
Question: In a lever system, where is the effort force applied?
Answer: At the input force
Question: What is the purpose of a gear in a machine?
Answer: Amplify force
Question: In a hydraulic system, what is the purpose of the pump?
Answer: Converts pressure to flow
Question: What is the purpose of a cam in a mechanical system?
Answer: Transfer motion
Question: Which of the following is an example of a fixed pulley?
Answer: Flagpole pulley
Question: What is the function of a diode in an electrical circuit?
Answer: Control current flow
Question: In a lever system, where is the load force located?
Answer: At the output force
Question: Which of the following is an example of a compound machine?
Answer: Bicycle
Question: What law of thermodynamics states that heat always flows from hot to cold?
Answer: Second Law
Mechanical Assembling Objects
Question: Which of the following figures can be assembled from the given pieces?
Answer: B
Question: Which figure is the result of assembling the pieces?
Answer: C
Question: Which of the following can be formed by assembling the pieces?
Answer: D
Question: Which figure is the correct result of assembling the pieces?
Answer: A
Question: Which of the following is the correct assembly of the pieces?
Answer: B
Question: Which figure can be created by assembling the pieces?
Answer: C
Question: Which of the following can be assembled from the pieces?
Answer: D
Question: Which figure is formed by correctly assembling the pieces?
Answer: A
Question: Which of the following is the correct result of assembling the pieces?
Answer: B
Question: Which figure can be created by assembling the given pieces?
Answer: C
Question: Which of the following is the correct assembly of the pieces?
Answer: D