Syllogism, Assumptions & Inferences
Q1. Premises: All dogs are mammals. All mammals are animals. Conclusion: All dogs are animals.
Correct Answer: A. Conclusion follows
Q2. Premises: All pens are books. Some books are pencils. Conclusion: Some pens are pencils.
Correct Answer: B. Conclusion does not follow
Q3. Premises: No cat is a dog. Some dogs are animals. Which conclusion follows? Conclusion I: Some animals are not cats. Conclusion II: No animal is a cat.
Correct Answer: A. Only I follows
Q4. Premises: All roses are flowers. Some flowers are red. Conclusion: Some roses are red.
Correct Answer: B. Conclusion does not follow
Q5. Premises: All birds fly. All sparrows are birds. Conclusion: All sparrows fly.
Correct Answer: A. Conclusion follows
Q6. Statement: “Please bring an umbrella tomorrow, as it may rain.” Which assumption is implicit?
Correct Answer: B. An umbrella provides protection from rain
Q7. Statement: “The bridge over the river was found unsafe and was closed for traffic.” What is the inference?
Correct Answer: B. People cannot cross the river using that bridge now
Q8. Statement I: The municipal corporation increased water tariffs by 20 percent. Statement II: Residents reduced their daily water consumption significantly. Which is true?
Correct Answer: A. I is cause, II is effect
Q9. Statement I: Many trees were uprooted in the city overnight. Statement II: A severe storm struck the city the previous night.
Correct Answer: B. II is cause, I is effect
Q10. Statement: “Smoking is injurious to health.” Which assumption is implicit?
Correct Answer: B. Health is something to be valued
Q11. Statement: “More than 80% of the students passed the exam.” Inference:
Correct Answer: A. Less than 20% failed
Q12. Statement I: It rained heavily for three days. Statement II: The city was flooded.
Correct Answer: A. I is cause, II is effect
Q13. Statement: “Buy this watch it has a five-year guarantee.” Assumption:
Correct Answer: A. A long guarantee is desirable to buyers
Q14. Premises: Some books are pens. All pens are pencils. Conclusion: Some books are pencils.
Correct Answer: A. Conclusion follows
Q15. Premises: All squares are rectangles. All rectangles are quadrilaterals. Conclusion: All squares are quadrilaterals.
Correct Answer: A. Follows
Q16. Statement: “Stay away from the construction site for safety.” Assumption:
Correct Answer: A. Construction sites can be dangerous
