Mock Test

Exam: RRB NTPC Subject: Reasoning Topic: Syllogism

Total Questions: 20

Q1. All politicians are liars. Some liars are criminals. Therefore, some politicians are criminals. Is this a valid syllogism?

Yes No Cannot be determined Only if all politicians are criminals
Q2. If a syllogism has a middle term that is undistributed in both premises, it commits which fallacy?

Fallacy of the Undistributed Middle Fallacy of Illicit Major Fallacy of Illicit Minor Fallacy of Four Terms
Q3. All A are B. Some B are C. What is a valid conclusion?

All A are C. Some A are C. No A are C. Some C are A.
Q4. Consider the syllogism: All A are B. All B are C. Therefore, All A are C. If 'All A are C' is true, what can be definitively said about the premises?

Both premises must be true. At least one premise must be true. At least one premise could be false. Both premises could be false.
Q5. The truth of a syllogism is primarily concerned with:

The meaning of individual words. The logical connection between premises and conclusion. The empirical evidence for the statements. The psychological impact of the statements.
Q6. If a syllogism has one particular premise and one universal premise, what can be said about the conclusion?

The conclusion must be universal. The conclusion must be particular. The conclusion can be either universal or particular. No conclusion can be drawn.
Q7. Consider: All A are B. All B are C. Therefore, All A are C. This is a valid syllogism form known as:

Modus Ponens Modus Tollens Barbara Darii
Q8. Some actors are famous. All famous people are wealthy. Which of the following conclusions can be logically deduced?

All actors are wealthy. Some actors are wealthy. Some wealthy people are actors. No actors are wealthy.
Q9. The statement 'Some students are intelligent' is an example of which type of proposition?

A proposition E proposition O proposition I proposition
Q10. Consider: Some students are athletes. All athletes are fit. What can be concluded?

All students are fit Some students are not fit Some students are fit No students are fit
Q11. Statements: Hardly any rivers are polluted. All that are polluted are harmful. Some harmful things are toxic.

Some rivers are toxic. No rivers are harmful. Some rivers are not harmful. All rivers are harmful.
Q12. In a categorical syllogism, the term that appears in both premises but not in the conclusion is called:

Major Term Minor Term Middle Term Predicate Term
Q13. In a categorical syllogism, what does the letter 'S' typically represent?

Subject term Predicate term Middle term Minor term
Q14. If 'Some apples are red' and 'All red fruits are sweet', what can be inferred?

All apples are sweet No apples are sweet Some apples are sweet All sweet fruits are apples
Q15. Consider the syllogism: 'All engineers are logical.' 'Some logical people are musicians.' What is the correct conclusion?

All engineers are musicians. Some engineers are musicians. No engineers are musicians. No valid conclusion can be drawn.
Q16. All novels are books. Some books are fiction. Which conclusion can be drawn?

All novels are fiction. Some novels are fiction. No novels are fiction. Some fiction items are novels.
Q17. Which operation is similar to obversion in its effect on the predicate term?

Conversion Contraposition Simple Negation Illicit Major
Q18. Consider: 'All strategic partnerships enhance market reach. Some enhancements in market reach lead to increased revenue. Therefore, some strategic partnerships lead to increased revenue.' This syllogism contains the fallacy of:

Illicit Minor Illicit Major Undistributed Middle Affirming the Consequent
Q19. Consider: All metals are conductors. Some non-metals are conductors. Are these premises consistent?

Yes No Cannot be determined Only if non-metals are metals
Q20. If the major premise is 'Some A are B' and the minor premise is 'All C are A', what is the valid conclusion?

All C are B. Some C are B. No C are B. Some C are not B.

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