Discussion
Home ‣ Logical Reasoning ‣ Logical Deduction Comments
- Question
Statements: Some kings are queens. All queens are beautiful.
Conclusions:
- All kings are beautiful.
- All queens are kings.
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
- Neither I nor II follows
ExplanationSince one premise is particular, the conclusion must be particular. So, neither I nor II follows. - 1. Statements: All mangoes are golden in colour. No golden-coloured things are cheap.
Conclusions:
- All mangoes are cheap.
- Golden-coloured mangoes are not cheap.
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: All bags are cakes. All lamps are cakes.
Conclusions:
- Some lamps are bags.
- No lamp is bag.
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: No women teacher can play. Some women teachers are athletes.
Conclusions:
- Male athletes can play.
- Some athletes can play.
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:
- There is increase in water level of all the water tanks supplying drinking water to the city during the last fortnight.
- Most of the trains were cancelled last week due to water-logging on the tracks.
Options- A. Statement I is the cause and statement II is its effect
- B. Statement II is the cause and statement I is its effect
- C. Both the statements I and II are independent causes
- D. Both the statements I and II are effects of independent causes
- E. Both the statements I and II are effects of some common cause Discuss
- 5. Statements:
- Most of the steel producing companies in the country have made considerable profit during the last financial year.
- Many Asian countries have been importing huge quantities of steel from India.
Options- A. Statement I is the cause and statement II is its effect
- B. Statement II is the cause and statement I is its effect
- C. Both the statements I and II are independent causes
- D. Both the statements I and II are effects of independent causes
- E. Both the statements I and II are effects of some common cause Discuss
- 6. Statements: Some doctors are fools. Some fools are rich.
Conclusions:
- Some doctors are rich
- Some rich are doctors.
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: All roads are waters. Some waters are boats.
Conclusions:
- Some boats are roads.
- All waters are boats.
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: No bat is ball. No ball is wicket.
Conclusions:
- No bat is wicket.
- All wickets are bats.
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 flowers are trees. No fruit is tree.
Conclusions:
- No fruit is flower.
- Some trees are flowers.
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: Every minister is a student. Every student is inexperienced.
Conclusions:
- Every minister is inexperienced.
- Some inexperienced are students.
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: Only conclusion II follows
Explanation:
Clearly, the conclusion must be universal negative and should not contain the middle term. So, it follows that 'No mango is cheap'. Since all mangoes are golden in colour, we may substitute 'mangoes' with 'golden-coloured mangoes'. Thus, II follows.
Correct Answer: Either I or II follows
Explanation:
Since the middle term 'cakes' 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: Neither I nor II follows
Explanation:
Since one premise is negative, the conclusion must be negative. So, neither conclusion follows.
Read: Important Rules and Formulas for Logical Deduction.
Correct Answer: Both the statements I and II are effects of some common cause
Explanation:
The problems discussed in both the statements are clearly the result of heavy downpour in the area.
Correct Answer: Statement II is the cause and statement I is its effect
Explanation:
The increase in demand of steel from other countries is bound to enhance business and hence profitability of steel companies in India.
Correct Answer: Neither I nor II follows
Explanation:
Since both the premises are particular, no definite conclusion follows.
Correct Answer: Neither I nor II follows
Explanation:
The first premise is A type and distributes the subject. So, the middle term 'waters' which forms its predicate, is not distributed. The second premise is I type and does not distribute either subject or predicate. So, the middle term 'waters' forming its subject is not distributed. Since the middle term is not distributed even once in the premises, no definite conclusion follows.
Correct Answer: Neither I nor II follows
Explanation:
Since both the premises are negative, no definite conclusion follows.
Correct Answer: Both I and II follow
Explanation:
As discussed above, the conclusion must be universal negative and should not contain the middle term. So, it follows that 'No flower is fruit'. I is the converse of this conclusion and thus it follows. II is the converse of the first premise and so it also holds.
Correct Answer: Both I and II follow
Explanation:
'Every' is equivalent to 'All'. Thus, since both the premises are universal and affirmative, the conclusion must be universal affirmative and should not contain the middle term. So, I follows. II is the converse of the second premise and thus it also holds.
Comments
There are no comments.More in Logical Reasoning:
Programming
Copyright ©CuriousTab. All rights reserved.