Critical Thinking: Reason and Evidence Objective
Assessment (OA) |Practice Questions & Verified
Answers | Comprehensive Study Guide
THIS EXAM INCLUDES:
• WGU D265 Objective Assessment (OA) review
• Practice questions with verified answers
• Detailed answer explanations
• Assumptions and inference analysis
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• Updated for the 2026 academic year
,2026 WGU D265 Critical Thinking: Reason and Evidence
Objective Assessment (OA) | Practice Questions &
Verified Answers | Comprehensive Study Guide
Question 1
Which sentence is a non -proposition?
A) If the burglar did not go out the front door, they must have gone out a
window.
B) The earth is the third planet from the sun.
C) Where are the keys to my car?
D) Mount Everest is the tallest mountain in the world.
Answer: C) Where are the keys to my car?
Question 2
Did the company really close that deal? It has had a great year. Where is the
president right now? Let's go ask whether the deal was closed.
In the above paragraph, which sentence expresses a proposition?
A) Where is the president right now?
B) Did the company really close that deal?
C) Let's go ask whether the deal was closed.
D) It has had a great year.
Answer: D) It has had a great year .
,Question 3
Propositions are:
A) Statements that can be true or false
B) Sentences that cannot be evaluated for truth
C) Commands or requests
D) Questions that require answers
Answer: A) Statements that can be true or false
Question 4
Non-propositions are:
A) Sentences that are always true
B) Sentences that are not statements about matters of fact (or fiction)
C) Statements that are always false
D) Arguments with premises
Answer: B) Sentences that are not statements about matters of fact (or
fiction)
Question 5
Which sentence expresses a complex proposition?
A) Birthday parties can be really fun.
B) The cat ate the food, but did not like it.
, C) Too many employees are used to high -stress work environments in the
United States.
D) Why did the monkey escape, and who is responsible?
Answer: B) The cat ate the food, but did not like it.
Question 6
If the computer is not fixed, then the company either needs to buy a new one
or will not be able to keep up productivity.
Which of the following breaks down the complex proposition above into the
simple propositions?
A) If the computer is not fixed, then the company needs to buy a new one.
The company will not be able to keep up productivity.
B) The computer is not fixed. The company needs to buy a new computer.
The company will not be able to keep up productivity.
C) The computer is not fixed. The company either needs to buy a new one or
will not be able to keep up productivity.
D) The company does not have enough computers.
Answer: B) The computer is not fixed. The company needs to buy a new
computer. The company will not be able to keep up productivity.
Question 7
Simple propositions:
A) Have internal logical structure