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- Question
- Statements:
(a) All cupboards are watches.
(b) All watches are costly.
Inferences:
I. All cupboards are costly.
II. Some costly things are cupboards.
Options- A. Only inference I follows
- B. Only inference II follows
- C. Both of them follow
- D. Neither of them follows
- Correct Answer
- Both of them follow
ExplanationBoth the Premises are Universal Affirmative (A-type).
All cupboards are watches. ? All watches are costly.
A + A ? A-type of Conclusion "All cupboards are costly."
This is Conclusion I.
Conclusion II is converse of it. - 1. Statements:
(a) All English movies are violent.
(b) Some people like watching English movies.
Conclusions:
I. All people watching English movies like violence.
II. All people who like violence watch English movies.
Options- A. Only I follows
- B. Only II follows
- C. Neither I nor II follows
- D. Both I and II follow Discuss
- 2. Statements:
Dogs have four legs.
Tables have four legs.
Conclusions
I. Tables are dogs.
II. Dogs are tables.
Options- A. Only I follows
- B. Only II follows
- C. Either I or II follows
- D. Neither I nor II follows Discuss
- 3. Statements:
All hens are cocks.
No cock is black.
Conclusions:
I. All cocks are hens.
II. No hen is black.
Options- A. Only conclusion I is valid
- B. Only conclusion II is valid
- C. Both the conclusions are valid
- D. Both the conclusions are invalid Discuss
- 4. Statement:
(a) All students like excursions.
(b) Some students like laboratory experiments.
Conclusions:
(I) Students who like laboratory experiments also like excursions.
(II) Some students do not like laboratory experiments but like excursions.
Options- A. Only Conclusion I follows
- B. Only Conclusion II follows
- C. Both Conclusions I and II follow
- D. Neither Conclusion I nor II follows Discuss
- 5. Statements:
Some teachers are students.
All students are girls.
Conclusions:
(I) All teachers are girls.
(II) Some girls are teachers.
(III) Some girls are students.
(IV) All students are teachers.
Options- A. Only (I) follows
- B. Only (I), (II), and (III) follow
- C. Only (II) and (III) follow
- D. All follow Discuss
- 6. Statements:
All fruits are sweet.
All sweet things are not good for health.
Conclusions:
(I) All fruits are not good for health.
(II) Some fruits are not good for health.
Options- A. Only (I) follows
- B. Only (II) follows
- C. Neither (I) nor (II) follows
- D. Both (I) and (II) follow Discuss
- 7. Statements:
(a) All pens are papers.
(b) No eraser is a paper.
Conclusions:
I. No eraser is a pen.
II. Some papers are pens.
Options- A. Both Conclusions I and II follow.
- B. Only Conclusion I follows.
- C. Only Conclusion II follows.
- D. Neither Conclusion I nor II follows. Discuss
- 8. Statements:
(a) No girl is a parrot.
(b) Sowmya is a girl.
Conclusions:
I. Sowmya is not a parrot.
II. All girls are not Sowmya.
Options- A. Only conclusion I follows
- B. Only conclusion II follows
- C. Either conclusion I or II follows
- D. Neither conclusion I nor II follows Discuss
- 9. Statements:
(a) All children are students.
(b) All students are players.
Conclusions:
I. All cricketers are students.
II. All children are players.
Options- A. Only conclusion I follows.
- B. Only conclusion II follows.
- C. Both conclusions I and II follow.
- D. Neither conclusion I nor II follows. Discuss
- 10. Statements:
a. All metals are silver.
b. All silver are diamond.
c. Some diamonds are gold.
d. Some gold are marbles.
Conclusions:
I. Some gold are metals.
II. All metals are diamond.
III. Some silver are marble.
IV. Some gold are silver.
Options- A. Only conclusion I follows.
- B. Only conclusion II follows.
- C. Only conclusion III follows.
- D. Only conclusion IV follows. Discuss
Syllogism problems
Search Results
Correct Answer: Only I follows
Explanation:
Only Conclusion I follows. As all English movies are violent, the people who like watching English movies like violence. But it is not necessary that all people who like violence watch English movies.
Correct Answer: Neither I nor II follows
Explanation:
The given statement can be shown by the following diagram :
Correct Answer: Only conclusion II is valid
Explanation:
All hens are cocks. (A) ? No cock is black. (E)
A + E ? E- type of conclusion "No hen is black."
This is Conclusion II.
Correct Answer: Both Conclusions I and II follow
Explanation:
The given statements can be illustrated as:
Correct Answer: Only (II) and (III) follow
Explanation:
First Premise is Particular Affirmative (I-type).
Second Premise is Universal Affirmative (A-type).
Some teachers are students. ? All students are girls.
I + A ? I-type of Conclusion "Some teachers are girls".
Conclusion II is Converse of it.
Conclusion III is Converse of the second Premise.
Correct Answer: Both (I) and (II) follow
Explanation:
First Premise is Universal Affirmative (A&type).
Second Premise can be written in the form of Universal Negative (E-type) as
No sweet thing is good for health
All fruits are sweet. ? No sweet thing is good for health.
A + E ? E?type of Conclusion "No fruit is good for health".
Thus both the Conclusions follow.
Correct Answer: Both Conclusions I and II follow.
Explanation:
(i) All pens are papers ? Universal Affirmative (A-type).
(ii) Some houses are lakes ? Particular Affirmative (I-type).
(iii) No eraser is paper ? Universal Negative (E-type).
(iv) Some erasers are not papers ? Particular Negative (O-type).
All pens are papers. ? No paper is an eraser.
A + E ? E-type of Conclusion. "No pen is an eraser".
Conclusion I is Converse of it.
Conclusion II is Converse of the first Premise.
Correct Answer: Only conclusion I follows
Explanation:
First Premise is Universal Negative (E-type).
Second Premise is Universal Affirmative (A-type).
Sowmya is a girl.? No girl is a parrot.
A + E ? E-type of Conclusion. "Sowmya is not a parrot."
This is Conclusion I.
Correct Answer: Only conclusion II follows.
Explanation:
Both the Premises are Universal Affirmative (A?type).
All children are students. ? All students are players.
A + A ? A?type of Conclusion
All children are players.¸
This is Conclusion II.
Correct Answer: Only conclusion II follows.
Explanation:
All metals are silver. ? All silver are diamond.
A + A ? A ? type of Conclusion "All metals are diamond".
This is Conclusion II.
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