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- Question
- Statements:
(a) Some humane creatures are angels.
(b) All doctors are angels.
Conclusions:
I. Some humane creatures are doctors.
II. Some doctors are humane creatures.
Options- A. Only I follows
- B. Only II follows
- C. Either I or II follows
- D. Neither I nor II follows
- Correct Answer
- Neither I nor II follows
ExplanationFirst Premise is Particular Affirmative (I-type).
Second Premise is Universal Affirmative (A-type).
All doctors are angels. ? Some angels are human creatures.
A + I = No Conclusion - 1. Statement:
Some dogs bark.
All dogs bite.
Conclusions:
I. Those dogs who do not bark, also bite.
II. Those dogs who do not bark, not necessarily bite.
Options- A. Only I follows
- B. Only II follows
- C. Either I or II follows
- D. Neither I nor II follows Discuss
- 2. Statements:
(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 likes excursion.
Options- A. Only (I) follows
- B. Only (II) follows
- C. Conclusions (I) and (II) follow
- D. Neither (I) nor (II) follows Discuss
- 3. Statements:
Some phones are watches.
All watches are guns.
Conclusions:
I. All guns are watches.
II. Some guns are Phones.
Options- A. Only I follows
- B. Only II follows
- C. Either I or II follows
- D. Neither I nor II follows Discuss
- 4. Statements:
(a) All animals are dogs.
(b) All dogs are birds.
Conclusions:
I. All animals are birds.
II. All birds are animals.
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:
(a) All dogs are rats.
(b) All rats are crows.
(c) All crows are parrots.
Conclusions:
(I) All dogs are parrots.
(II) Some parrots are dogs.
(III) Some crows are dogs.
(IV) All rats are dogs.
Options- A. Only (I) and (II) follow
- B. Only (I), (II) and (III) follow
- C. Either (II) or (IV) follow
- D. Either (I) or (II) or (III) follow Discuss
- 6. Statement:
No children are voters.
Conclusions:
I. All adults are voters.
II. No voters are children.
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
- 7. Statements:
(a) All peacocks are lions.
(b) Some tigers are peacocks.
Conclusions:
I. Some lions are not tigers.
II. All tigers are lions.
III. Some tigers are lions.
IV. All peacocks are tigers.
Options- A. Only conclusion III follows
- B. Only conclusion IV follows
- C. Only conclusion I follows
- D. Only conclusion II follows Discuss
- 8. Statements:
(a) No mobile is a watch.
(b) All watches are calculators.
Conclusions:
I. No calculator is a mobile.
II. Some calculators are mobiles.
Options- A. Neither Conclusion I nor II follows
- B. Only Conclusion I follows.
- C. Only Conclusion II follows.
- D. Either Conclusion I or II follows. Discuss
- 9. Statements:
(a) All benches are table.
(b) No table is chair.
Conclusion:
I. All benches are chiars
II. All tables are benches
III. No tables are benches
IV. No benches are chairs
Options- A. Only conclusion II follows
- B. Only conclusion III follows
- C. Only conclusion IV follows
- D. Only conclusion I follows Discuss
- 10. Statements:
(a) Some books are mobiles.
(b) Some calculators are mobiles.
Conclusions:
I. Some mobiles are calculators.
II. Some mobiles are books.
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
Syllogism problems
Search Results
Correct Answer: Only I follows
Explanation:
Only Conclusion I follows :
Some who bark are dogs.
All dogs bite.
It means those dogs who do not bark, also bite.
Correct Answer: Conclusions (I) and (II) follow
Explanation:
Some is a part of All. Therefore, conclusion I follows. Since all students like excursion, therefore, Conclusion II also follows .
Correct Answer: Only II follows
Explanation:
First Premise is Particular Affirmative (I ? type).
Second Premise is Universal Affirmative (A-type).
Some phones are watches. ? All watches are guns.
I + A ? I - type of Conclusion "Some phones are guns".
Conclusion II is Converse of this Conclusion.
Correct Answer: Only Conclusion I follows
Explanation:
Both the Premises are Universal Affirmative (A - type).
All animals are dogs. ? All dogs are birds.
A + A ? A-type of Conclusion "All animals are birds."
It is Conclusion I.
Correct Answer: Only (I), (II) and (III) follow
Explanation:
All the three Premises are Universal Affirmative (A-type).
All dogs are rats. ? All rats are crows.
A + A ? A-type of Conclusion "All dogs are crows."
Conclusion III is converse of it.
All rats are crows. ? All crows are parrots.
A + A ? A-type of Conclusion "All rats are parrots."
All dogs are crows. ? All crows are parrots.
A + A ? A-type of Conclusion "All dogs are parrots."
This is Conclusion I.
Conclusion II is converse of it.
Correct Answer: Only conclusion II follows
Explanation:
The given statement is Universal Negative (E-type).
Conclusion II is Converse of it.
Correct Answer: Only conclusion III follows
Explanation:
(i) All peacocks are lions ? Universal Affirmative (A-type).
(ii) Some tigers are peacocks ? Particular Affirmative (I-type).
(iii) No tiger is a lion ? Universal Negative (E-type).
(iv) Some tigers are not lions ? Particular Negative (O-type).
Some tigers are peacocks. ? All peacocks are lions.
I + A ? I-type of Conclusion. "Some tigers are lions".
This is Conclusion III.
Correct Answer: Either Conclusion I or II follows.
Explanation:
No mobile is a watch. ? All watches are calculators.
E + A ? O1 -type of Conclusion. "Some calculators are not mobiles".
Conclusions I and II form Complementary Pair, Therefore, either Conclusion I or Conclusion II follows.
Correct Answer: Only conclusion IV follows
Explanation:
First Premise is Universal Affirmative (A-type).
Second Premise is Universal Negative (E-type).
All benches are tables. ? No table is chair
A + E ? E-type of Conclusion "No bench is chair."
This is Conclusion IV.
Correct Answer: Both conclusions I and II follow
Explanation:
Both the Premises are Particular Affirmative (I-type). No Conclusion follows from the two Particular Premises.
Conclusion I is the Converse of the second Premise.
Conclusion II is the converse of the first Premise.
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