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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
Read the following statement considering them to be true and therefore judge their conclusions numbered I, II and III and given your answer accordingly.
Statements: Some towns are villages. Some villages are lanes. Some lanes are hamlets.
Conclusions:
I. Some hamlets are villages.
II. Some lanes are towns.
III. Some hamlets are towns.
Considering given statements as true, select a logical conclusion based on the given statements.
Statements:
- Some cats are animals.
- All plants are animals.
- All animals are plants.
Conclusions:
- Some cats are plants.
- All plants are animals.
- All animals are cats.
- All plants are cats.
Statement: The Cabinet of State X took certain steps to tackle the milk glut in the state as the cooperatives and government dairies failed to use the available milk. — A news report.
Conclusions:
I. The milk production of State X is more than its need.
II. The Government and co-operative dairies in State X are not equipped in terms of resources and technology to handle such excess milk.
Statement: The manager humiliated Sachin in the presence of his colleagues.
Conclusions:
I. The manager did not like Sachin.
II. Sachin was not popular with his colleagues.
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.
Four arguments are given. Each is a set of three sentences. Decide which set has third sentence as logical conclusion of first and second sentences considering the first two to be correct.
I. God is human. Some humans are fragile. God is fragile.
II. Some MBA is employed. All employed are aliens. Some MBA is aliens.
III. All jacks are spades. Some kings are diamonds. Some kings are spades.
IV. All humans are fragile. God is not human. God is not fragile.
Statement: This world is neither good nor evil; each man manufactures a world for himself.
Conclusions:
I. Some people find this world quite good.
II. Some people find this world quite bad.
In the question given below two statements numbered I and II. You have to take the two given statements as 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 follow from the given statements, disregarding commonly known facts.
I: All girls go to college.
II: Rina does not go to college.
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:
Some books are magazines.
some magazines are novels.
Conclusions:
I. Some books are novels.
II. Some novels are magazines.
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:
- All windows are doors.
- No door is wall.
conclusions
- No window is wall.
- No wall is door.
