ACT Sample Questions
Practice with real exam format sample questions for American college entrance exam ACT
175 Minutes
Exam Duration
215 Questions
Total Questions
36 Points
Maximum Score
0/0
Correct Answers
Sample Questions (15 questions)
EnglishQuestion 1
Choose the word that best completes the sentence: The students were _____ to complete their assignments on time.
A)expecting
B)expected
C)expect
D)expects
E)expectation
MathematicsQuestion 2
If x + 3 = 7, what is the value of x?
A)4
B)5
C)6
D)10
E)21
ReadingQuestion 3
According to the passage, what is the main purpose of the author?
A)To entertain readers with a fictional story
B)To inform readers about scientific discoveries
C)To persuade readers to take action
D)To describe historical events
E)To explain a complex concept
ScienceQuestion 4
Which of the following is the primary function of mitochondria in a cell?
A)Protein synthesis
B)Energy production (ATP)
C)DNA replication
D)Waste removal
E)Cell division
EnglishQuestion 5
Which sentence is grammatically correct?
A)The team of researchers are working on the project.
B)The team of researchers is working on the project.
C)The team of researchers were working on the project.
D)The team of researchers be working on the project.
E)The team of researchers working on the project.
MathematicsQuestion 6
What is the area of a circle with radius 5?
A)10π
B)25π
C)5π
D)50π
E)15π
ReadingQuestion 7
What can be inferred from the passage about the author's attitude?
A)The author is neutral about the topic
B)The author has a positive attitude toward the topic
C)The author has a critical attitude toward the topic
D)The author is uninformed about the topic
E)The author is indifferent to the topic
ScienceQuestion 8
If an object is moving at 10 m/s and has a mass of 5 kg, what is its kinetic energy?
A)50 J
B)100 J
C)250 J
D)500 J
E)1000 J
EnglishQuestion 9
Which of the following sentences uses commas correctly?
A)I went to the store, and bought some groceries.
B)I went to the store and, bought some groceries.
C)I went to the store and bought, some groceries.
D)I went to the store and bought some groceries.
E)I, went to the store and bought some groceries.
MathematicsQuestion 10
If two angles of a triangle are 45° and 60°, what is the measure of the third angle?
A)75°
B)90°
C)105°
D)120°
E)180°
ReadingQuestion 11
What is the main idea of the passage?
A)Technology negatively impacts society
B)Educational reform is necessary
C)Environmental protection is important
D)Healthy lifestyle should be adopted
E)Not stated in the passage
ScienceQuestion 12
Which element is located in period 6 of the periodic table?
A)Carbon (C)
B)Nitrogen (N)
C)Oxygen (O)
D)Cerium (Ce)
E)Helium (He)
EnglishQuestion 13
Which of the following sentences uses "its" correctly?
A)The dog wagged it's tail.
B)The dog wagged its tail.
C)The dog wagged its' tail.
D)The dog wagged it tail.
E)The dog wagged its tail's.
MathematicsQuestion 14
If a function f(x) = 2x + 3, what is the value of f(5)?
A)10
B)13
C)15
D)17
E)25
ScienceQuestion 15
Which gas is produced during the process of photosynthesis?
A)Carbon dioxide
B)Nitrogen
C)Oxygen
D)Hydrogen
E)Methane
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