Mock Test

Exam: RRB Group D Subject: General Intelligence and Reasoning Topic: Syllogism

Total Questions: 20

Q1. The statement 'If it is raining, then the ground is wet' can be represented as:

Raining AND Ground is wet Raining OR Ground is wet NOT Raining OR Ground is wet Raining OR NOT Ground is wet
Q2. Which of the following is NOT a valid form of syllogism?

Categorical Syllogism Hypothetical Syllogism Conditional Syllogism Disjunctive Syllogism
Q3. Consider the following statements and conclusion: Statements: All students who prepare diligently pass the exam. Some students who pass the exam are brilliant. Conclusion: Some students who prepare diligently are brilliant.

The conclusion necessarily follows from the statements. The conclusion does not necessarily follow from the statements, but it is probable. The conclusion does not necessarily follow from the statements and is fallacious. The conclusion contradicts the statements.
Q4. If a syllogism is valid, can its conclusion be false?

Yes, if the premises are false. No, the conclusion must always be true. Only if the syllogism has an undistributed middle term. Yes, if it contains a negative premise.
Q5. In a three-circle Venn diagram, the regions represent:

Individuals Relationships between two categories Relationships between three categories The universal set
Q6. Consider the statement: 'Only educated people are appointed.' Which of the following is a valid inference?

All appointed people are educated. All educated people are appointed. Some educated people are not appointed. No educated people are appointed.
Q7. Statements: All dogs are mammals. No mammal is a bird. Some birds are flying. Conclusions: I. No dog is a bird. II. Some mammals are not flying. III. Some dogs are flying. Which conclusion is valid?

Only I is valid. Only II is valid. Only I and II are valid. All I, II, and III are valid.
Q8. Statements: Some apples are red. All red fruits are tasty. No tasty fruit is rotten. Conclusions: I. Some apples are tasty. II. No red fruit is rotten. III. Some apples are not rotten. Which conclusion is valid?

Only I is valid. Only II is valid. Only I and II are valid. All I, II, and III are valid.
Q9. Which of the following statements about the mood AOO-2 is correct?

It is a valid syllogistic mood. It commits the fallacy of the undistributed middle. It commits the fallacy of illicit major. It commits the fallacy of illicit minor.
Q10. All politicians are public figures. Some public figures are actors. What can be inferred?

All actors are politicians All public figures are actors Some politicians are actors Some actors are politicians
Q11. If 'Some birds can fly' and 'All things that can fly have wings', what can be concluded?

All birds have wings. Some birds have wings. No birds have wings. Some things with wings are birds.
Q12. Premise 1: Some animals are pets. Premise 2: All pets are mammals. Conclusion: Some animals are mammals. Is this a valid syllogism?

Yes No Cannot be determined Only if all animals are pets
Q13. Some teachers are strict. All strict people are firm. Therefore, some teachers are firm. What is the conclusion?

Some firm people are teachers All teachers are firm Some strict people are teachers Some teachers are firm
Q14. Statements: All planets are celestial bodies. Some celestial bodies are stars. No star is a planet. Conclusions: I. Some planets are stars. II. Some planets are not celestial bodies. III. No celestial body is a planet. Which conclusion is valid?

Only I. Only II. Only III. None of the above.
Q15. No students are absent. What can be immediately inferred about some students?

Some students are absent. All students are absent. No students are not absent. Some students are not absent.
Q16. Statements: All pens are pencils. Some pencils are erasers. Conclusions: I. Some pens are erasers. II. Some erasers are pencils.

Only conclusion I follows Only conclusion II follows Either conclusion I or II follows Neither conclusion I nor II follows
Q17. Statements: All mountains are high. Some high things are peaks. Conclusions: I. All mountains are peaks. II. Some peaks are mountains. Which conclusion is valid?

Only I is valid. Only II is valid. Both I and II are valid. Neither I nor II is valid.
Q18. Statements: Some fruits are sweet. All sweet things are delicious. Conclusions: I. Some fruits are delicious. II. All delicious things are fruits.

Only conclusion I follows Only conclusion II follows Either conclusion I or II follows Neither conclusion I nor II follows
Q19. If the conclusion is particular, at least one premise must be:

Universal Particular Affirmative Negative
Q20. A syllogism is a tool for ensuring ____ in reasoning.

Creativity Ambiguity Logical consistency Subjectivity

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