Mock Test

Exam: RRB NTPC Subject: Reasoning Topic: Syllogism

Total Questions: 20

Q1. If one premise is affirmative and the other is negative, the conclusion is:

Always affirmative Always negative Always valid Always invalid
Q2. The rule that states 'A syllogism cannot have two negative premises' is fundamental to:

Inductive reasoning Analogical reasoning The validity of syllogisms The truth of premises
Q3. The 'middle term' in a syllogism connects:

The major and minor terms The two premises The conclusion and the premises The subject and predicate of one premise
Q4. Which distribution of terms is characterized by constant multiplicative factor between consecutive terms?

Arithmetic Progression Geometric Progression Harmonic Progression Fibonacci Sequence
Q5. Premises: All critical thinkers question assumptions. Some individuals who question assumptions are skeptical. No skeptical individuals are easily convinced. Which conclusion is valid?

All critical thinkers are easily convinced. Some critical thinkers are not easily convinced. No individuals who question assumptions are easily convinced. Some critical thinkers are skeptical.
Q6. If all A are B, and no B are C, what can be concluded?

All A are C. Some A are C. No A are C. Some C are not A.
Q7. A syllogistic falsehood means the argument is:

Factually incorrect Logically invalid Semantically ambiguous Based on opinion
Q8. In an arithmetic progression, the sum of the 3rd and 7th terms is 30. What is the sum of the 1st and 9th terms?

20 25 30 35
Q9. If a statement is 'All engineers are meticulous,' which of the following is its contrapositive?

All meticulous people are engineers. No engineers are meticulous. All non-meticulous people are non-engineers. Some engineers are not meticulous.
Q10. The core principle behind strengthening inductive syllogistic reasoning is to:

Eliminate all possible counterexamples. Increase the number and representativeness of supporting instances. Establish a causal link between the terms. Ensure the premises are deductively valid.
Q11. Consider the syllogism: 'All successful politicians are charismatic. Some charismatic people are not eloquent. Therefore, some eloquent people are not successful politicians.' What is the mood and figure of this syllogism?

AOO-2 AOO-3 AOO-4 AOO-1
Q12. The strength of an inductive syllogism is primarily determined by:

The number of premises The truthfulness of the conclusion The representativeness of the observed instances The logical form alone
Q13. The proposition 'Some performers are not dancers' is of type O. The term 'performers' is:

Distributed Undistributed Distributed only if the predicate is distributed Undistributed regardless of predicate distribution
Q14. All engineers are creative. Some creative people are artists. Therefore, some engineers are artists. This syllogism is:

Valid Invalid Undetermined Contradictory
Q15. If the statement 'All tested software has fewer bugs' is true, and 'Some software development projects undergo rigorous testing' is also true, what is the most accurate conclusion about software development projects that undergo rigorous testing?

All software development projects that undergo rigorous testing have fewer bugs. Some software development projects that undergo rigorous testing have fewer bugs. No software development projects that undergo rigorous testing have fewer bugs. It is impossible to determine the number of bugs in software development projects that undergo rigorous testing.
Q16. Which of the following is a valid syllogistic form in Figure 2?

AAA-2 EAE-2 AII-2 EIO-2
Q17. Some students are toppers. All toppers are intelligent. What conclusion follows?

All students are intelligent. Some students are not intelligent. Some students are intelligent. No students are toppers.
Q18. Which of the following is a valid Modus Tollens argument?

If the light is on, there is power. There is power. Therefore, the light is on. If the light is on, there is power. The light is not on. Therefore, there is no power. If the light is on, there is power. There is no power. Therefore, the light is not on. If the light is on, there is power. The light is on. Therefore, there is power.
Q19. Which rule states that a valid syllogism cannot have two negative premises?

Rule of Distribution Rule of Two Negative Premises Rule of Quantity Rule of Mood
Q20. Some students in the class are good at math. Priya is a student in the class. What can be logically concluded?

Priya is good at math. Priya is not good at math. No student in the class is good at math. We cannot conclude whether Priya is good at math or not.

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