HiSET for Educational Testing Service (ETS)

 

Exam Name	HiSET Practice Exam (Educational Testing Service – ETS)
Exam Provider	Educational Testing Service (ETS)
Exam Type	High School Equivalency Exam (HiSET Certification)
Total Practice Questions	90+ Practice Questions (MCQs + Case-Based + Real Exam Scenarios) – Updated for 2026
Actual Exam Sections	• Language Arts – Reading • Language Arts – Writing (includes Essay) • Mathematics • Science • Social Studies
Questions in Real Exam	• Reading: ~40 Questions • Writing: ~50 Questions (+ Essay) • Math: ~50 Questions • Science: ~50 Questions • Social Studies: ~50 Questions Total: ~240 Questions (including essay)
Exam Duration	• Reading: 65 minutes • Writing: 120 minutes (includes essay) • Math: 90 minutes • Science: 80 minutes • Social Studies: 70 minutes Total Testing Time: ~7 hours (can be taken separately)
Passing Score	• Minimum Passing Score: 8 out of 20 per subject • Combined Score Requirement: 45 out of 100 total • Essay Score: Minimum 2 out of 6
Scoring System	Each subject is scored on a scale of 1–20, with a combined total score of 100 across all five tests
Coverage Topics	• Math (Algebra, Geometry, Data Analysis, Word Problems) • Science (Biology, Chemistry, Physics, Scientific Reasoning) • Social Studies (Civics, History, Economics, Geography) • Language Arts (Reading Comprehension, Grammar, Writing, Essay Skills)
Question Format	• Multiple Choice Questions (MCQs) • Scenario-Based & Case-Based Questions • Data Interpretation (Charts, Graphs, Tables) • Extended Response Essay (Writing Section)
Difficulty Level	Beginner to Advanced (Aligned with Real HiSET Exam Standards)
Skills Developed	• Critical thinking and problem-solving • Reading comprehension and analytical writing • Mathematical reasoning and data analysis • Scientific reasoning and evidence evaluation • Civic knowledge and real-world application
Study Tips	• Practice real-world math and word problems regularly • Focus on reading comprehension and essay writing skills • Learn how to interpret graphs and data efficiently • Review grammar rules and sentence structure • Take timed practice tests to improve speed and accuracy • Strengthen weak subjects through targeted practice
Best For	Students and adults preparing for HiSET certification and high school equivalency credentials
Updated	2026 Latest Version

1. Math

What is 20% of 150?
A. 20
B. 25
C. 30
D. 35

Answer: C
Rationale: 20% = 0.20 × 150 = 30.

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2. Math

Solve: 4x = 20
A. x = 4
B. x = 5
C. x = 6
D. x = 10

Answer: B
Rationale: Divide both sides by 4 → x = 5.

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3. Math

What is the area of a triangle with base 10 and height 6?
A. 30
B. 60
C. 16
D. 40

Answer: A
Rationale: Area = ½ × base × height = ½ × 10 × 6 = 30.

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4. Science

Which organelle controls cell activities?
A. Ribosome
B. Nucleus
C. Cytoplasm
D. Membrane

Answer: B
Rationale: The nucleus contains DNA and directs cell functions.

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5. Science

Which gas is most abundant in Earth’s atmosphere?
A. Oxygen
B. Nitrogen
C. Carbon dioxide
D. Hydrogen

Answer: B
Rationale: Nitrogen makes up about 78% of the atmosphere.

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6. Science

What force opposes motion?
A. Gravity
B. Friction
C. Energy
D. Magnetism

Answer: B
Rationale: Friction resists movement between surfaces.

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7. Social Studies

Who wrote the Declaration of Independence?
A. George Washington
B. Thomas Jefferson
C. Abraham Lincoln
D. John Adams

Answer: B
Rationale: Jefferson was the primary author.

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8. Social Studies

The Constitution established:
A. Trade laws
B. Government structure
C. Education system
D. Taxes only

Answer: B
Rationale: It outlines how the U.S. government operates.

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9. Social Studies

Supply refers to:
A. Demand for goods
B. Quantity available
C. Price level
D. Income

Answer: B
Rationale: Supply is the amount of goods offered.

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10. Language Arts

Choose the correct sentence:
A. She don’t like reading.
B. She doesn’t like reading.
C. She not like reading.
D. She no like reading.

Answer: B
Rationale: Correct subject-verb agreement.

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11. Language Arts

What is the main idea of a text?
A. Example
B. Central point
C. Title
D. Detail

Answer: B
Rationale: Main idea is the author’s key message.

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12. Language Arts

Which word is a synonym for “fast”?
A. Slow
B. Quick
C. Late
D. Early

Answer: B
Rationale: Same meaning.

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13. Math

What is 6²?
A. 12
B. 18
C. 36
D. 64

Answer: C
Rationale: 6 × 6 = 36.

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14. Math

Solve: 12 − 4 × 2
A. 16
B. 4
C. 8
D. 12

Answer: B
Rationale: Order of operations → 12 − 8 = 4.

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15. Science

Which system helps the body breathe?
A. Digestive
B. Nervous
C. Respiratory
D. Skeletal

Answer: C
Rationale: Lungs exchange oxygen and carbon dioxide.

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16. Science

Which planet is known for its rings?
A. Mars
B. Earth
C. Saturn
D. Venus

Answer: C
Rationale: Saturn has visible rings.

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17. Social Studies

What does democracy mean?
A. Rule by one
B. Rule by people
C. Rule by army
D. Rule by king

Answer: B
Rationale: Citizens have power to govern.

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18. Social Studies

Taxes are used for:
A. Private profit
B. Government services
C. Trade only
D. Travel

Answer: B
Rationale: Funds public services.

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19. Language Arts

Which is a complete sentence?
A. Running quickly
B. After school
C. He finished the task
D. Because she left

Answer: C
Rationale: Has subject and predicate.

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20. Language Arts

What is a noun?
A. Action
B. Description
C. Person, place, or thing
D. Connector

Answer: C
Rationale: Basic definition.

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21. Math

What is √49?
A. 6
B. 7
C. 8
D. 9

Answer: B
Rationale: √49 = 7.

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22. Math

What is 1/2 as a decimal?
A. 0.25
B. 0.5
C. 0.75
D. 1.5

Answer: B
Rationale: 1 ÷ 2 = 0.5.

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23. Science

Which state of matter has no definite shape?
A. Solid
B. Liquid
C. Gas
D. All

Answer: C
Rationale: Gases take shape of container.

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24. Science

Evaporation is:
A. Liquid to gas
B. Gas to liquid
C. Solid to liquid
D. Solid to gas

Answer: A
Rationale: Water becomes vapor.

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25. Social Studies

Inflation means:
A. Lower prices
B. Higher prices
C. Stable prices
D. No change

Answer: B
Rationale: General increase in prices.

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26. Social Studies

The legislative branch makes:
A. Laws
B. Decisions
C. Policies
D. Judgments

Answer: A
Rationale: Congress creates laws.

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27. Language Arts

Which punctuation ends a question?
A. Period
B. Comma
C. Question mark
D. Colon

Answer: C
Rationale: Used for questions.

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28. Language Arts

Which word is a verb?
A. Blue
B. Run
C. Table
D. Happy

Answer: B
Rationale: Action word.

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29. Math

What is 18 + 24?
A. 32
B. 42
C. 52
D. 62

Answer: B
Rationale: 18 + 24 = 42.

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30. Math

Solve: x − 5 = 10
A. x = 5
B. x = 10
C. x = 15
D. x = 20

Answer: C
Rationale: Add 5 → x = 15.

31. Math

Solve: 6x + 3 = 27
A. x = 3
B. x = 4
C. x = 5
D. x = 6

Answer: B
Rationale: Start by subtracting 3 from both sides of the equation to isolate the term with x, giving 6x = 24. Then divide both sides by 6 to find x = 4. This method ensures proper algebraic balance and is commonly tested in linear equation problems.

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32. Math

What is 40% of 250?
A. 80
B. 90
C. 100
D. 110

Answer: C
Rationale: Convert 40% into decimal form (0.40) and multiply by 250. This results in 100. Understanding how to convert percentages and apply them is essential for solving real-life problems like discounts, taxes, and interest calculations.

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33. Math

What is the perimeter of a rectangle with length 12 and width 5?
A. 34
B. 30
C. 24
D. 60

Answer: A
Rationale: The formula for perimeter is 2(length + width). Substituting values gives 2(12 + 5) = 2 × 17 = 34. This formula is frequently used in geometry problems to calculate boundary lengths of shapes.

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34. Math

Simplify: 9² − 5²
A. 56
B. 64
C. 16
D. 36

Answer: A
Rationale: First calculate each square: 9² = 81 and 5² = 25. Then subtract 25 from 81 to get 56. Following order of operations correctly ensures accuracy in problems involving exponents and arithmetic.

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35. Science

Which organ helps regulate body temperature?
A. Heart
B. Skin
C. Liver
D. Brain

Answer: B
Rationale: The skin plays a major role in temperature regulation through sweating and blood vessel dilation. It helps maintain homeostasis by releasing heat when the body is warm and conserving heat when cold.

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36. Science

Which form of energy is stored in food?
A. Mechanical
B. Chemical
C. Thermal
D. Electrical

Answer: B
Rationale: Food stores chemical energy in its molecular bonds. When consumed, this energy is released through metabolic processes to power bodily functions. This concept is fundamental in biology and energy transfer topics.

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37. Science

Which process converts liquid water into vapor?
A. Condensation
B. Freezing
C. Evaporation
D. Sublimation

Answer: C
Rationale: Evaporation occurs when liquid water gains enough energy to become vapor. It is a key part of the water cycle and explains phenomena such as drying clothes and cloud formation.

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38. Science

Which system transports nutrients in the body?
A. Nervous
B. Digestive
C. Circulatory
D. Skeletal

Answer: C
Rationale: The circulatory system carries nutrients, oxygen, and waste products through the blood. It connects all body systems and ensures cells receive what they need to function properly.

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39. Social Studies

What is the purpose of the Constitution?
A. Collect taxes
B. Establish government framework
C. Regulate trade
D. Provide education

Answer: B
Rationale: The Constitution outlines the structure of government, defines powers, and protects rights. It serves as the supreme law of the land and ensures balance between branches of government.

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40. Social Studies

What is the role of the Supreme Court?
A. Make laws
B. Enforce laws
C. Interpret laws
D. Collect taxes

Answer: C
Rationale: The Supreme Court interprets laws and determines their constitutionality. This role is crucial in maintaining checks and balances within the government system.

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41. Social Studies

What is a free market economy based on?
A. Government control
B. Supply and demand
C. Military decisions
D. Traditions

Answer: B
Rationale: In a free market economy, prices and production are determined by supply and demand. This system promotes competition and efficiency in resource allocation.

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42. Social Studies

What is a civic duty?
A. Optional task
B. Legal responsibility of citizens
C. Economic activity
D. Trade agreement

Answer: B
Rationale: Civic duties, such as voting or serving on a jury, are responsibilities that citizens must fulfill to support the functioning of a democratic society.

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43. Language Arts

Which sentence is grammatically correct?
A. She don’t have time.
B. She doesn’t has time.
C. She doesn’t have time.
D. She not have time.

Answer: C
Rationale: Proper subject-verb agreement requires “doesn’t” with the base verb “have.” Avoid adding extra verb endings. Grammar accuracy is essential for clear communication.

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44. Language Arts

What is the purpose of an introduction?
A. End essay
B. Introduce topic
C. Add examples
D. Summarize

Answer: B
Rationale: An introduction presents the topic and prepares the reader for the main ideas. It often includes a thesis statement that outlines the argument or purpose of the text.

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45. Language Arts

Which word is an adverb?
A. Happy
B. Quickly
C. Run
D. Blue

Answer: B
Rationale: Adverbs modify verbs, adjectives, or other adverbs. “Quickly” describes how an action is performed, making it an adverb.

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46. Language Arts

Which sentence is a fragment?
A. He finished the work.
B. Running in the park.
C. She is happy.
D. They studied hard.

Answer: B
Rationale: A fragment lacks a complete thought, subject, or verb. “Running in the park” does not form a full sentence, making it incomplete.

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47. Math

What is the mean of 5, 10, 15?
A. 10
B. 15
C. 5
D. 12

Answer: A
Rationale: Add the numbers (5 + 10 + 15 = 30) and divide by 3 to get 10. The mean is commonly used in statistics and data interpretation problems.

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48. Math

Solve: x/4 = 6
A. x = 10
B. x = 12
C. x = 24
D. x = 30

Answer: C
Rationale: Multiply both sides by 4 to isolate x. This gives x = 24. Understanding inverse operations is key to solving equations efficiently.

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49. Math

What is the volume of a cube with side 4?
A. 16
B. 32
C. 64
D. 48

Answer: C
Rationale: Volume = side³ = 4³ = 64. This formula is essential for solving geometry problems involving three-dimensional shapes.

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50. Math

What is √121?
A. 9
B. 10
C. 11
D. 12

Answer: C
Rationale: √121 = 11 because 11 × 11 = 121. Recognizing perfect squares helps speed up calculations in exams.

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51. Science

Which gas do humans exhale?
A. Oxygen
B. Nitrogen
C. Carbon dioxide
D. Hydrogen

Answer: C
Rationale: Humans exhale carbon dioxide as a waste product of cellular respiration. This process is essential for energy production in the body.

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52. Science

Which organ filters waste from blood?
A. Heart
B. Kidney
C. Brain
D. Lungs

Answer: B
Rationale: The kidneys filter blood, removing waste and excess substances to form urine. They play a critical role in maintaining body balance.

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53. Science

Which force pulls objects toward Earth?
A. Friction
B. Gravity
C. Magnetism
D. Energy

Answer: B
Rationale: Gravity is the force that attracts objects toward Earth’s center. It affects all objects with mass and explains why things fall.

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54. Science

Which state of matter has definite shape and volume?
A. Gas
B. Liquid
C. Solid
D. Plasma

Answer: C
Rationale: Solids maintain both shape and volume due to tightly packed particles. This distinguishes them from liquids and gases.

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55. Social Studies

What is inflation?
A. Decrease in prices
B. Increase in prices
C. Stable economy
D. Trade balance

Answer: B
Rationale: Inflation refers to a general rise in prices, reducing purchasing power. It is a key concept in economics and financial literacy.

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56. Social Studies

What is a democracy?
A. Rule by king
B. Rule by people
C. Rule by army
D. Rule by elite

Answer: B
Rationale: Democracy allows citizens to participate in government decisions, typically through voting. It emphasizes equality and representation.

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57. Social Studies

What is trade?
A. Buying only
B. Selling only
C. Exchange of goods/services
D. Tax system

Answer: C
Rationale: Trade involves exchanging goods and services between individuals or countries. It supports economic growth and specialization.

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58. Social Studies

What is unemployment?
A. Having job
B. No jobs available
C. High wages
D. Economic growth

Answer: B
Rationale: Unemployment occurs when individuals who want to work cannot find jobs. It is an important indicator of economic health.

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59. Language Arts

Which word is a pronoun?
A. Run
B. She
C. Blue
D. Quickly

Answer: B
Rationale: Pronouns replace nouns to avoid repetition. “She” refers to a person and functions as a subject in a sentence.

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60. Language Arts

Which sentence uses correct punctuation?
A. Its cold outside
B. It’s cold outside
C. Its’ cold outside
D. It cold outside

Answer: B
Rationale: “It’s” is the contraction for “it is.” Proper punctuation ensures clarity and correctness in writing, which is essential for language arts success.

61. Math

A store gives a 15% discount on a $200 item. What is the final price?
A. $160
B. $170
C. $180
D. $185

Answer: B
Rationale: First calculate 15% of 200, which is 0.15 × 200 = 30. Then subtract the discount from the original price: 200 − 30 = 170. This type of problem tests percentage applications in real-life contexts like shopping and budgeting.

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62. Math

A car travels 180 miles in 3 hours. What is the average speed?
A. 50 mph
B. 60 mph
C. 70 mph
D. 80 mph

Answer: B
Rationale: Average speed is calculated using distance divided by time. Here, 180 ÷ 3 = 60 mph. Understanding rate problems is essential for solving real-world math questions involving travel and time.

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63. Math

Solve: 2x + 8 = 20
A. x = 4
B. x = 5
C. x = 6
D. x = 8

Answer: C
Rationale: Subtract 8 from both sides to isolate the variable term: 2x = 12. Then divide both sides by 2 to get x = 6. This step-by-step method ensures proper equation solving without skipping operations.

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64. Math

What is the slope between points (1,2) and (4,8)?
A. 1
B. 2
C. 3
D. 4

Answer: B
Rationale: Use slope formula (y₂ − y₁)/(x₂ − x₁). Here, (8 − 2)/(4 − 1) = 6/3 = 2. Recognizing how to calculate slope is key for interpreting graphs and linear relationships.

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65. Science

A person sweats during exercise. What is the purpose?
A. Remove oxygen
B. Cool the body
C. Increase heat
D. Store water

Answer: B
Rationale: Sweating helps regulate body temperature through evaporation, which cools the skin. This is part of the body’s homeostasis mechanism, ensuring internal conditions remain stable during physical activity.

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66. Science

Plants placed in sunlight grow faster. Why?
A. More oxygen
B. Increased photosynthesis
C. Less water
D. More soil

Answer: B
Rationale: Sunlight provides energy for photosynthesis, allowing plants to produce glucose for growth. Increased light exposure enhances this process, leading to faster development and healthier plants.

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67. Science

A ball rolls down a hill faster over time. What is increasing?
A. Friction
B. Acceleration
C. Mass
D. Volume

Answer: B
Rationale: As the ball speeds up, its velocity changes over time, indicating acceleration. Gravity causes this increase, making it a key concept in motion and physics questions.

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68. Science

If a substance has pH 2, it is:
A. Neutral
B. Basic
C. Acidic
D. Stable

Answer: C
Rationale: A pH of 2 is highly acidic, as values below 7 indicate acidity. Understanding the pH scale helps identify chemical properties and reactions in science questions.

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69. Social Studies

A law is declared unconstitutional. Which branch made this decision?
A. Executive
B. Legislative
C. Judicial
D. Military

Answer: C
Rationale: The judicial branch, particularly courts, reviews laws and determines whether they align with the Constitution. This process is known as judicial review and ensures balance in government power.

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70. Social Studies

A government increases spending to boost the economy. This is:
A. Monetary policy
B. Fiscal policy
C. Trade policy
D. Foreign policy

Answer: B
Rationale: Fiscal policy involves government spending and taxation decisions to influence the economy. Increasing spending can stimulate growth and reduce unemployment during economic downturns.

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71. Social Studies

A worker gains new skills and earns more money. This is:
A. Inflation
B. Human capital
C. Trade
D. Supply

Answer: B
Rationale: Human capital refers to the skills, education, and experience that increase a worker’s productivity and earning potential. Investing in education improves economic outcomes.

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72. Social Studies

Demand exceeds supply. What happens to prices?
A. Decrease
B. Stay same
C. Increase
D. Disappear

Answer: C
Rationale: When demand is higher than supply, competition for goods increases, driving prices up. This basic economic principle explains market price changes.

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73. Language Arts

A passage explains how pollution affects health. What is its purpose?
A. Entertain
B. Inform
C. Persuade
D. Describe

Answer: B
Rationale: The passage provides factual information about pollution’s effects, making its purpose informational. Identifying text purpose is key for reading comprehension.

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74. Language Arts

“Although it rained, we continued the game.” This is:
A. Simple
B. Compound
C. Complex
D. Fragment

Answer: C
Rationale: This sentence includes a dependent clause (“Although it rained”) and an independent clause, making it complex. Recognizing sentence types helps improve grammar skills.

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75. Language Arts

Which revision improves clarity?
“He did stuff quickly.”
A. He did things.
B. He completed the task efficiently.
C. He stuff quickly.
D. He did quick.

Answer: B
Rationale: The revised sentence uses precise vocabulary and formal tone, improving clarity and professionalism. Strong word choice is important for writing tasks.

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76. Language Arts

Which word is most formal?
A. Big
B. Huge
C. Large
D. Massive

Answer: C
Rationale: “Large” is neutral and appropriate in formal writing, while others may be informal or exaggerated. Choosing the right tone is important for academic writing.

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77. Math

A graph rises from left to right. What is true?
A. Negative slope
B. Positive slope
C. No slope
D. Undefined

Answer: B
Rationale: A line that increases from left to right has a positive slope, indicating that as x increases, y also increases. This concept is fundamental in graph interpretation.

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78. Math

If 8 items cost $64, what is cost per item?
A. $6
B. $7
C. $8
D. $9

Answer: C
Rationale: Divide total cost by number of items: 64 ÷ 8 = 8. Unit rate problems are common in real-life applications and test scenarios.

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79. Math

Solve: x² = 25
A. x = 5
B. x = -5
C. x = ±5
D. x = 10

Answer: C
Rationale: Square roots of 25 are both positive and negative 5. Always consider both solutions when solving quadratic equations.

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80. Math

A line crosses y-axis at 7. What is the y-intercept?
A. 0
B. 7
C. -7
D. 1

Answer: B
Rationale: The y-intercept is where the line crosses the y-axis, which is 7 in this case. This value is essential for graphing linear equations.

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81. Science

Which change is physical?
A. Burning paper
B. Rusting metal
C. Melting ice
D. Cooking food

Answer: C
Rationale: Melting ice changes state but not composition, making it a physical change. Chemical changes create new substances, unlike physical changes.

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82. Science

Which organ removes waste from blood?
A. Heart
B. Brain
C. Kidney
D. Lungs

Answer: C
Rationale: The kidneys filter blood, removing waste products and excess fluids to form urine. They play a crucial role in maintaining homeostasis.

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83. Science

Which force slows motion?
A. Gravity
B. Friction
C. Energy
D. Pressure

Answer: B
Rationale: Friction opposes motion between surfaces, reducing speed over time. It is an important concept in physics and everyday life.

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84. Social Studies

Voting is an example of:
A. Economic activity
B. Civic responsibility
C. Trade
D. Law

Answer: B
Rationale: Voting allows citizens to participate in government decisions, making it a key civic responsibility in a democracy.

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85. Social Studies

A tariff is a tax on:
A. Income
B. Imports
C. Property
D. Sales

Answer: B
Rationale: Tariffs are taxes placed on imported goods to protect domestic industries and regulate trade.

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86. Social Studies

Urbanization refers to:
A. Farming growth
B. City population growth
C. Trade increase
D. Education

Answer: B
Rationale: Urbanization is the movement of people from rural areas to cities, leading to population growth in urban regions.

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87. Language Arts

Which sentence is correct?
A. She don’t like apples.
B. She doesn’t like apples.
C. She not like apples.
D. She no like apples.

Answer: B
Rationale: Correct subject-verb agreement uses “doesn’t” with base verb “like.” Grammar accuracy is essential for effective communication.

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88. Language Arts

“He ran quickly.” What part of speech is “quickly”?
A. Noun
B. Verb
C. Adverb
D. Adjective

Answer: C
Rationale: “Quickly” describes how the action is performed, making it an adverb. Recognizing parts of speech improves sentence understanding.

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89. Language Arts

An author argues for recycling. What is the purpose?
A. Inform
B. Entertain
C. Persuade
D. Describe

Answer: C
Rationale: The author is trying to convince readers to adopt recycling practices, making the purpose persuasive.

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90. Language Arts

Which transition shows contrast?
A. Therefore
B. Similarly
C. However
D. Finally

Answer: C
Rationale: “However” introduces a contrasting idea, helping connect opposing points in writing.