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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.
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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 information given and answer the question that follows.
Statement: Of all the television sets manufactured in India, the ‘Solar’ brand has the largest sale in India
Conclusions:
- The volume of sales of all the brands of television sets manufactured in India is known.
- The production of no other television set in India is as large as that of ‘Solar’.
Statement: The percentage of the national income shared by the top 10 percent of households in India is 35.
Conclusions:
I. When an economy grows fast, concentration of wealth in certain pockets of population takes place.
II. The national income is unevenly distributed in India.
Considering given statements as true, select a logical conclusion based on the given statements.
Statements:
- No tree is a flower
- Some trees are fruits
Conclusions:
- Fruits that are trees are not flowers.
- No fruit is a flower.
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 secret of success is constancy of purpose.
Conclusions:
I. Constant dripping wears the stone.
II. Single-minded devotion is necessary for achieving success.
Considering given statements as true, select a logical conclusion based on the given statements.
Statements:
- All mangoes are fruits.
- No fruit is an apple.
- Some apples are vegetables.
- Some fruits are carrots.
Conclusions:
- No mango is an apple.
- Some vegetables are not apples.
- Some mangoes are carrots.
- Some vegetables are apples.
In the question, a few statements are followed by four conclusions numbered I, II, III and IV. Consider the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusion(s) and then decide which of the given conclusion(s) logically follow(s) from the given statements.
Statements:
- All mirrors are phones.
- Some phones are gadgets.
- All gadgets are mirrors.
Conclusions:
- Some gadgets are phones.
- Some gadgets are mirrors.
- Some gadgets are not mirrors.
- Some phones are mirrors.
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: Some blues are green.
II: Pink is green.
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.
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
- All books are papers.
- All pencils are paper.
- All tables are papers.
Conclusions
- Some books are pencils.
- Some pencils are tables.
- Some tables are books.
- Some papers are tables.
