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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?
विकल्प
No conclusion can be drawn.
No crows are parrots.
Some parrots are not crows
Some crows are not parrots.
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
The question contains two statements and two conclusions numbered 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.
Answer (1) If only conclusion I follows.
Answer (2) If only conclusion II follows.
Answer (3) If neither I nor II follows.
Answer (4) 1 f both I and II follows.
Statements:
I. Some players are singers.
II. All singers are tall.
Conclusions:
I. Some players are tall.
II. All players are tall.
The questions below have two/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 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.
Statements:
I. All persons who have done any creative work can be responsible critics
II. Z has not done any creative work
III. Therefore __________________
Considering given statements as true, select a logical conclusion based on the given statements.
Statements:
- Some A are B.
- Some C are A.
Conclusions:
- Some C are B.
- Some B are A
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.
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.
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:
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 questions 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 exams are tests.
- No exam is a question.
Conclusions
- No question is a test.
- Some tests are definitely not exams.
In the questions 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.
- All entrances are windows.
- No gate is a door.
Conclusions
- At least some windows are gates.
- No gate is an entrance.
The question contains four arguments of three sentences each. Choose the set in which the third statement is a logical conclusion of the first two.
Argument 1. Sharukh is an actor. Some actors are pretty. Shahrukh is pretty.
Argument 2. Some executives are soldiers. All soldiers are patriotic. Some executives are patriotic.
Argument 3. All cricketers are patriotic. Some executives are soldiers. Some executives are patriotic.
Argument 4. All actors are pretty. Shahrukh is not an actor. Shahrukh is not pretty.
