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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.
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 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. No athletes are vegetarians.
II. All players are athletes.
II. Therefore, ________________
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 __________________
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: All bananas are apples. Some apples are oranges. All oranges are grapes.
Conclusions:
I. Some grapes are bananas.
II. Some grapes are apples.
III. Some oranges are bananas.
Six statements are given. Below them sets of three statements are given. Decide which set has third sentence as logical conclusion of first and second sentences considering the first two statements to be correct.
(A) Some cleaners are janitors.
(B) All cleaners are sweeper.
(C) No sweeper is cleaner.
(D) Some janitors are not cleaner.
(E) Some sweepers are not janitors.
(F) Some cleaners are janitors.
Statement: From the next academic year, students will have the option of dropping Mathematics and Science for their school leaving certificate examination.
Conclusions:
I. Students who are weak in Science and Mathematics will be admitted.
II. Earlier students did not have the choice of continuing their education without taking these subjects.
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 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 banks are colleges.
- All colleges are schools.
Conclusions
- At least some banks are schools.
- All schools are colleges.
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
- Some books are pens.
- Some pens are pencils.
- Some pencils are buttons.
Conclusions
- Some buttons are pens.
- Some pencils are books.
The question below is given three statements followed by four Conclusions I, II, III, and IV. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusion(s) logically follow(s) from the given statements disregarding commonly known facts.
Statements
- Some dogs are rats.
- All rats are trees.
- Some trees are not dogs.
Conclusions
- Some trees are dogs.
- All dogs are trees.
- All rats are dogs.
- No tree is a dog.
