CPI Practice Test Questions and Answers

Subtracting 3 from both sides gives x = 4. This basic equation tests simple algebra skills.

The Nile River is traditionally recognized as the longest river, even though debates continue among geographers. This is a fundamental fact in world geography.

Solids maintain a fixed shape and volume under normal conditions, unlike liquids or gases. This question reinforces basic concepts in physics.

Happiness is an abstract noun that names a concept, while the other words represent an adverb, an adjective, and a verb respectively. Recognizing parts of speech is key in English.

The ancient Egyptians built pyramids as tombs for their pharaohs. This is a foundational fact in the study of ancient civilizations.

Adding 5 to both sides gives 2x = 14, and dividing by 2 results in x = 7. This problem tests basic linear equation solving.

In the slope-intercept form y = mx + b, m represents the slope; here m is 3. Therefore, the slope of the line is 3.

Stars form when dense regions within molecular clouds collapse under gravity. This process, known as gravitational collapse, is fundamental in astrophysics.

A neutral solution, such as pure water, has a pH of 7. This question assesses understanding of basic chemistry concepts.

The first option correctly uses a comma after 'said' and proper quotation punctuation including the apostrophe in "Let's." Correct punctuation ensures clarity in written communication.

The assassination of Archduke Franz Ferdinand in 1914 set off a series of events that led to World War I. This is a pivotal event in modern history.

George Washington was the first President of the United States and is a central figure in American history. Recognizing his role is essential for understanding US heritage.

Historically, Africa was labeled the 'Dark Continent' due to limited knowledge of its interior by Europeans. This question examines historical terminology and perspectives.

The interior angles of any triangle add up to 180°. This is a basic geometry principle taught at the high school level.

Inertia is the property that defines an object's resistance to changes in its state of motion, according to Newton's First Law of Motion. This concept is fundamental in physics.

Expanding both sides gives 3x - 6 = 2x + 8, and solving for x results in x = 14. This problem tests algebraic manipulation and equation solving.

Fluorine holds the highest electronegativity on the Pauling scale, making it extremely reactive. Mastery of such chemical properties is essential in advanced chemistry.

The Declaration of Independence, adopted in 1776, is the document that declared the American colonies' independence from Great Britain. This is a cornerstone document in American history.

The first option correctly uses a subordinating conjunction with a comma to form a complex sentence. Proper sentence structure is important for clear communication.

Using the formula A = πr², setting 49π = πr² leads to r² = 49, so the radius r is 7. This problem integrates algebra with geometric principles.