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- Question
- All men are mortal.
Ramu is a man.
Options- A. No man is mortal
- B. Ramu is mortal
- C. Ramu is immortal
- D. All men are immortal
- Correct Answer
- Ramu is mortal
ExplanationAll men (without exception) are mortal. And, Ramu is a man. Therefore, Ramu is mortal.
- 1. Statements:
Some Indians are educated.
Educated men prefer small families.
Conclusions:
(I) All small families are educated.
(II) Some Indians prefer small families.
Options- A. Only I follows
- B. Only II follows
- C. Both I and II follow
- D. Neither I nor II follows Discuss
- 2. 'All the members of the Tennis club are members of the Badminton club too." "No woman plays Badminton".
Options- A. Some women play Tennis
- B. No member of the Tennis club plays Badminton
- C. Some women are members of the Tennis club
- D. No woman is a member of the Tennis club Discuss
- 3. Which one is true?
I. All players are not tall.
II. All basketball players are tall.
III. All tall people are players.
IV. Some players are tall.
Options- A. IV
- B. III.
- C. II.
- D. I. Discuss
- 4. Statement:
(I) All cities are towns.
(II) Some cities are villages.
Conclusions:
(I) All villages are towns.
(II) No village is a town.
(III) Some villages are towns.
Options- A. Only conclusion (III) follows
- B. Only conclusion (1) follows
- C. Only conclusion (II) follows
- D. None of these Discuss
- 5. Statement:
(a) All girls do not like to marry.
(b) Some girls do not marry.
Assumptions:
I. All girls like to marry.
II. All girls do not marry.
Options- A. I is valid
- B. II is valid
- C. Both I and II are valid
- D. Both I and II are invalid Discuss
- 6. Statements:
(a) All poets are intelligent.
(b) All singers are intelligent.
Conclusions:
I. All singers are poets.
II. Some intelligent persons are not singers.
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
- 7. 'All beggars are poor.'
If the above statement is true, which of the following conclusions can be drawn?
Options- A. All those who are poor are beggars.
- B. If A is rich, then A is not a beggar.
- C. If A is not rich, then A is not a beggar.
- D. If A is a beggar, then A is not rich. Discuss
- 8. Statements:
(i) All radios sold in that shop are of high standard.
(ii) Some of Murphy radios are sold in that shop.
Inferences:
I. All radios of high standard are manufactured by Murphy company,
II. Some of the Murphy radios are of high standard.
III. None of the Murphy radios is of high standard.
IV. Some of the Murphy radios of high standard are sold in that shop.
Options- A. I and II inferences only
- B. II and IV inferences only
- C. I and III inferences only
- D. I and IV inferences only Discuss
- 9. Statements:
All children are playful.
Some animals are playful.
Conclusions:
I. Some animals are children.
II. Some children are animals.
Options- A. Only I follows
- B. Neither I nor II follows
- C. Only II follows
- D. Both I and II follow Discuss
- 10. Statements:
(a) Some skirts are benches.
(b) No bench is a table.
Conclusions:
I. Some skirts are tables.
II. Some benches are skirts.
III. All benches are skirts.
IV. Some tables are skirts.
Options- A. Only I follows
- B. Only II follows
- C. Only II and IV follow
- D. Only I and III follow Discuss
Syllogism problems
Search Results
Correct Answer: Only II follows
Explanation:
First statement is Particular Affirmative (I-type).
Second statement is Universal Affirmative (A-type)
Both the statements are already aligned. Thus,
Some Indians are educated. ? All Educated men prefer small families.
We know that,
I + A ? I-type Conclusion. Therefore, our derived Conclusion would be: "Some Indians prefer small families.
Venn-diagrams
Correct Answer: No woman is a member of the Tennis club
Explanation:
No woman plays badminton. Therefore, no woman plays tennis.
Correct Answer: II.
Explanation:
Statements 1 and 4 are more or less similar.
All tall people cannot be players.
So, Statement 2 seems to be true.
Correct Answer: Only conclusion (III) follows
Explanation:
(i) All cities are towns ? Universal Affirmative (A - type).
(ii) Some cities are villages ? Particular Affirmative (I - type).
(iii) No village is a town ? Universal Affirmative (E - type).
(iv) Some villages are not towns ? Particular Negative (O type).
Some villages are cities. ?All cities are towns.
I + A ?I - type of Conclusion "Some villages are towns".
This is Conclusion III.
Correct Answer: Both I and II are invalid
Explanation:
None of the assumptions is valid. Assumption II is re-statement of the first statement.
Correct Answer: Neither conclusion I nor II follows
Explanation:
Both the Premises are Universal Affirmative (A - type). These two Premises are not aligned. Now take the Converse of one of the Premises to align them.
Correct Answer: If A is a beggar, then A is not rich.
Explanation:
If A is a beggar, then A is not rich.
Correct Answer: II and IV inferences only
Explanation:
Since some of Murphy radios are sold in that shop which sells high standard radios. Therefore, some of the Murphy radios are of high standard.
Correct Answer: Neither I nor II follows
Explanation:
We can align the premises by converting the second premise.
All children are playful. ? some playfuls are animals.
We know that,
A + I ? No conclusion.
Correct Answer: Only II follows
Explanation:
First Premise is Particular Affirmative (I - type).
Second Premise is Universal Negative (E - type).
Some skirts are benches. ? No bench is a table.
I + E ? O ? type of Conclusion "Some skirts are not tables."
Conclusion II is Converse of the first Premise.
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