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- Question
Statements: All birds are tall. Some tall are hens.
Conclusions:
- Some birds are hens.
- Some hens are tall.
Options- A. Only conclusion I follows
- B. Only conclusion II follows
- C. Either I or II follows
- D. Neither I nor II follows
- E. Both I and II follow
- Correct Answer
- Only conclusion II follows
ExplanationSince the middle term 'tall' is not distributed even once in the premises, no definite conclusion follows. However, II is the converse of the second premise and so it holds. - 1. Statements: Some papers are pens. Angle is a paper.
Conclusions:
- Angle is not a pen.
- Angle is a pen.
Options- A. Only conclusion I follows
- B. Only conclusion II follows
- C. Either I or II follows
- D. Neither I nor II follows
- E. Both I and II follow Discuss
- 2. Statements: Many scooters are trucks. All trucks are trains.
Conclusions:
- Some scooters are trains.
- No truck is a scooter.
Options- A. Only conclusion I follows
- B. Only conclusion II follows
- C. Either I or II follows
- D. Neither I nor II follows
- E. Both I and II follow Discuss
- 3. Statements: All poles are guns. Some boats are not poles.
Conclusions:
- All guns are boats.
- Some boats are not guns.
Options- A. Only conclusion I follows
- B. Only conclusion II follows
- C. Either I or II follows
- D. Neither I nor II follows
- E. Both I and II follow Discuss
- 4. Statements: All jungles are tigers. Some tigers are horses.
Conclusions:
- Some horses are jungles.
- No horse is jungle.
Options- A. Only conclusion I follows
- B. Only conclusion II follows
- C. Either I or II follows
- D. Neither I nor II follows
- E. Both I and II follow Discuss
- 5. Statements: Some dreams are nights. Some nights are days.
Conclusions:
- All days are either nights or dreams.
- Some days are nights.
Options- A. Only conclusion I follows
- B. Only conclusion II follows
- C. Either I or II follows
- D. Neither I nor II follows
- E. Both I and II follow Discuss
- 6. Statements: Some papers are pens. Some pencils are pens.
Conclusions:
- Some pens are pencils.
- Some pens are papers.
Options- A. Only conclusion I follows
- B. Only conclusion II follows
- C. Either I or II follows
- D. Neither I nor II follows
- E. Both I and II follow Discuss
- 7. Statements: Some men are educated. Educated persons prefer small families.
Conclusions:
- All small families are educated.
- Some men prefer small families.
Options- A. Only conclusion I follows
- B. Only conclusion II follows
- C. Either I or II follows
- D. Neither I nor II follows
- E. Both I and II follow Discuss
- 8. Statements: All educated people read newspapers. Rahul does not read newspaper.
Conclusions:
- Rahul is not educated.
- Reading newspaper is not essential to be educated.
Options- A. Only conclusion I follows
- B. Only conclusion II follows
- C. Either I or II follows
- D. Neither I nor II follows
- E. Both I and II follow Discuss
- 9. Statements: All pens are chalks. All chairs are chalks.
Conclusions:
- Some pens are chairs.
- Some chalks are pens.
Options- A. Only conclusion I follows
- B. Only conclusion II follows
- C. Either I or II follows
- D. Neither I nor II follows
- E. Both I and II follow Discuss
- 10. Statements: Bureaucrats marry only intelligent girls. Tanya is very intelligent.
Conclusions:
- Tanya will marry a bureaucrat.
- Tanya will not marry a bureaucrat.
Options- A. Only conclusion I follows
- B. Only conclusion II follows
- C. Either I or II follows
- D. Neither I nor II follows
- E. Both I and II follow Discuss
Logical Deduction problems
Search Results
Correct Answer: Either I or II follows
Explanation:
Since the middle term 'papers' is not distributed even once in the premises, no definite conclusion follows. However, I and II involve only the extreme terms and form a complementary pair. Thus, either I or II follows.
Correct Answer: Only conclusion I follows
Explanation:
Since the first premise is particular, the conclusion must be particular and should not contain the middle term. Thus, only I follows.
Correct Answer: Neither I nor II follows
Explanation:
Clearly, the term 'guns' is distributed in both the conclusions without being distributed in any of the premises. So, neither conclusion follows.
Correct Answer: Either I or II follows
Explanation:
Since the middle term 'tigers' is not distributed even once in the premises, no definite conclusion follows. However, I and II involve only the extreme terms and form a complementary pair. So, either I or II follows.
Correct Answer: Only conclusion II follows
Explanation:
Since both the premises are particular, no definite conclusion follows. However, II is the converse of the second premise and thus it holds.
Correct Answer: Both I and II follow
Explanation:
Since both premises are particular, no definite conclusion follows. However, I is the converse of second premise, while II is the converse of the first premise. So, both of them hold.
Correct Answer: Only conclusion II follows
Explanation:
Since one premise is particular, the conclusion must be particular and should not contain the middle term. Thus, only II follows.
Correct Answer: Only conclusion I follows
Explanation:
Since both the premises are universal and one premise is negative, the conclusion must be universal negative and should not contain the middle term. So, only I follows.
Correct Answer: Only conclusion II follows
Explanation:
Since the middle term 'chalks' is not distributed even once in the premises, no definite conclusion follows. However, II is the converse of the first premise and so it holds.
Correct Answer: Either I or II follows
Explanation:
The data does not mention whether all intelligent girls are married to bureaucrats. So, either I or II may follow.
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