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प्रश्न
Choose the most appropriate option for the following question.
No parrots are black.
All crows are black.
From the above premises which one of the following conclusions is true?
पर्याय
No conclusion can be drawn.
No crows are parrots.
Some parrots are not crows
Some crows are not parrots.
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उत्तर
No crows are parrots.
Explanation:
The Venn diagram is as follows:
So, No crows are parrots is true.
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संबंधित प्रश्न
In the following question, certain statements are given followed by two conclusions numbered I and II. Consider the statement(s) to be true even if they seem to be at variance from commonly known facts. Decide which one of the conclusions logically follows from the statement(s).
Statements: My brother sings very well. My sister is a basketball player. I am very intelligent.
Conclusions:
I. We all are very talented.
II. We all are sportsmen.
Choose the correct option:
The passage below is followed by a question based on it. Read the passage choose the best answer to the question.
A study of native-born residents in Delhi found that two-thirds of the children developed considerable levels of nearsightedness after starting school, while their illiterate parents and grandparents, who had no opportunity for formal schooling, showed no signs of this disability.
If the above statements are true, which of the following conclusions is most strongly supported by them?
Statement: The Government of country X has recently announced several concessions and offered attractive package tours for foreign visitors.
Conclusions:
I. Now, more foreign tourists will visit the country.
II. The Government of country X seems to be serious in attracting tourists.
Statement: In a recent survey report, it has been stated that those who undertake physical exercise for at least half an hour a day are less prone to have any heart ailments.
Conclusions:
I. Moderate level of physical exercise is necessary for leading a healthy life.
II. All people who do desk-bound jobs definitely suffer from heart ailments.
In this question, two statements followed by four conclusions I, II, III and IV. You have to accept the given statements to be true, even if they appear to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the two statements:
Statement I: Some democracies are a dictatorship.
Statement II: No dictatorship is a monarchy.
Conclusions:
I. No democracy is a monarchy.
II. No dictatorship is a democracy.
III. Some democracies are a monarchy.
IV. Some dictatorships are democracies.
Two statements are given below followed by two conclusions (I and II). You have to consider the two statements to be true even if they seem to be at variance with commonly known facts. You have to decide which of the conclusions if any follow from the given statements.
Statements:
All students like excursions.
Some students go for higher education.
Conclusions:
I. Students who go for higher education also like excursions.
II. Some students do not go for higher education but like excursions.
In the following questions. there are statements followed by conclusions. Find out the most appropriate response on the basis of the given statements.
Statement1: All singers are dancers.
Statement 2: Some dancers are actors.
Conclusions:
I. Some actors are Singers.
II. No actor is a singer.
III. All dancers are singers.
IV. All singers are actors.
The question below is given three statements followed by three conclusions I, II, and III. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.
Statements
- All keys are locks.
- All locks are bangles.
- All bangles are cars.
Conclusions
- Some cars are locks.
- Some bangles are keys.
- Some cars are keys.
In the question below are given two statements followed by two Conclusions I and II. You have to take the two given statements to be true even if they seem to be at variance from commonly known facts and decide which of the given conclusion(s) logically follow(s) from the two given statements, disregarding commonly known facts.
Statements:
- Some banks are colleges.
- All colleges are schools.
conclusions
- At least some banks are schools.
- All schools are colleges.
In the question below are two or three statements followed by two conclusions numbered I and II. You have to take the given statements to be true even if they seem to be at variance from commonly known facts and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts?
Statements:
- Some phones are bangles.
- Some bangles are rings.
- All rings are sticks.
Conclusion:
- Some rings are phones.
- Some sticks are bangles
