Deductive Reasoning Test Questions And Answers

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  • 1/10 Questions

    1. All dogs are mammals.
    2. All mammals are warm-blooded. Which statement must be true based on these two statements?

    • All dogs are warm-blooded.
    • All warm-blooded are dogs.
    • All mammals are warm-blooded.
    • None of the above
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About This Quiz

How good are you at solving deductive reasoning questions and answers? Let's check it out now with the help of this practice test. It includes if-then statements (conditionals) and two-step equations (proportions), etc. Deductive reasoning is a logical process used in science and real life to draw deductive inferences. This deductive reasoning test checks your ability to draw logical conclusions based on the given situations. Are you ready to take up this challenge? All the best, then!

Deductive Reasoning Test Questions And Answers - Quiz

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  • 2. 

    Mike finished ahead of Paul. Paul and Brian both finished before Liam. Owen did not finish last. Who was the last to finish?

    • Owen

    • Brian

    • Liam

    • Mike

    Correct Answer
    A. Liam
    Explanation
    Based on the given information, Mike finished ahead of Paul, and Paul and Brian both finished before Liam. Since Owen did not finish last, the only option left is Liam. Therefore, Liam was the last to finish.

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  • 3. 

    All crows are black. All black birds are loud. All crows are birds. Statement can be made: All crows are loud.

    • True

    • False

    • Insufficient information

    • None of the above

    Correct Answer
    A. True
    Explanation
    Based on the given statements, we know that all crows are black, all black birds are loud, and all crows are birds. Since all crows are birds and all black birds are loud, it can be concluded that all crows are loud. Therefore, the statement "All crows are loud" is true.

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  • 4. 

    Which of the following choices shows a true conditional with the hypothesis and conclusion identified correctly?                                        Conditional Statement                   If yesterday was Wednesday, then tomorrow is Friday.

    • Hypothesis: Yesterday was Wednesday. conclusion: Tomorrow is Friday.

    • Hypothesis: Tomorrow is Friday. conclusion: Yesterday was Wednesday.

    • Hypothesis: The day before Thursday. conclusion: The day after Thursday.

    • Hypothesis: The day after Tuesday. conclusion: The day before Friday.

    Correct Answer
    A. Hypothesis: Yesterday was Wednesday. conclusion: Tomorrow is Friday.
    Explanation
    They all may sound right, but choose carefully and look carefully at the question!

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  • 5. 

    A is equal to B. B is also equal to C. Then we can conclude

    • A is equal to C 

    • B is equal to C 

    • A is not equal to C

    • None of the above

    Correct Answer
    A. A is equal to C 
    Explanation
    If A is equal to B and B is equal to C, then it can be concluded that A is equal to C. This is because if A is equal to B and B is equal to C, then transitive property of equality states that A must be equal to C as well.

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  • 6. 

    Another name for an if-then statement is a _______? Every conditional has two parts. The part following if is the _______?, and the part following then is the _______? (In-order)

    • Conditional; conclusion; hypothesis

    • Hypothesis; conclusion; conditional

    • Hypothesis; conditional; conclusion

    • Conditional; hypothesis; conclusion

    Correct Answer
    A. Conditional; hypothesis; conclusion
    Explanation
    An if-then statement is also known as a conditional. The part following if is the hypothesis, which is the condition or the statement that is being tested. The part following then is the conclusion, which is the result or the action that will occur if the hypothesis is true. Therefore, the correct order is conditional; hypothesis; conclusion.

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  • 7. 

    When is an inference deductively valid?

    • Its conclusion follows logically from its premises.

    • Its statement follows logically from its premises.

    • Its conclusion does not logically from its premises.

    • All of the above

    Correct Answer
    A. Its conclusion follows logically from its premises.
    Explanation
    An inference is deductively valid when its conclusion follows logically from its premises. This means that the conclusion can be logically derived or inferred from the given premises. In other words, if the premises are true, then the conclusion must also be true based on the rules of logic. This is the fundamental principle of deductive reasoning, where the truth of the premises guarantees the truth of the conclusion.

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  • 8. 

    1. There are no dancers that aren't slim.
    2. There are no singers that aren't dancers.
    Which statement must be true based on these two statements??

    • All singers are slim.

    • Any slim person is also a singer.

    • There are no slim dancers.

    • None of the above

    Correct Answer
    A. All singers are slim.
    Explanation
    Based on the given statements, it can be concluded that all singers are slim. This is because the first statement states that there are no dancers that aren't slim, and the second statement states that there are no singers that aren't dancers. Since there are no dancers who are not slim, and all singers are dancers, it can be inferred that all singers must also be slim.

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  • 9. 

    What is the contra-positive of "If it is Thursday, then Terrence has basketball practice".

    • If it is not Thursday, then Terrence does not have basketball practice.

    • If Terrence has basketball practice, then it is Thursday.

    • If Terrence does not have basketball practice, then it is not Thursday.

    • Terrence has basketball practice if and only if it is Tuesday.

    Correct Answer
    A. If Terrence does not have basketball practice, then it is not Thursday.
    Explanation
    The contra-positive of a conditional statement switches the hypothesis and conclusion and negates both. In the given statement, the original conditional statement is "If it is Thursday, then Terrence has basketball practice." The contra-positive of this statement is "If Terrence does not have basketball practice, then it is not Thursday."

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  • 10. 

    Solve for χ. (12χ + 7χ=23)

    • -4.6

    • 4.6

    • 1.21

    • 0.82

    Correct Answer
    A. 1.21
    Explanation
    To solve for χ, we need to combine the like terms on the left side of the equation. Adding 12χ and 7χ gives us 19χ. So the equation becomes 19χ = 23. To isolate χ, we divide both sides of the equation by 19. This gives us χ = 23/19, which is approximately equal to 1.21. Therefore, the correct answer is 1.21

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  • Current Version
  • Oct 17, 2023
    Quiz Edited by
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  • Feb 20, 2010
    Quiz Created by
    Lilroddy
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