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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
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 vegetables are fruits.
II. No fruit is black.
Conclusions:
I. Some fruits are vegetables.
II. No vegetable is black.
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.
Statement: The distance of 900 km by road between Bombay and Jafra will be reduced to 280 km by sea. This will lead to a saving of Rs. 7.92 crores per annum on fuel.
Conclusions
I. Transportation by sea is cheaper than that by road.
II. Fuel must be saved to the greatest extent.
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: Recent trends also indicate that the number of child migrants in large cities is increasing. These children leave their families to join the ranks of urban poor doing odd jobs in markets, workshops, hotels or in service sectors.
Conclusions:
I. Migration to big cities should be checked.
II. The plight of poor children should be thoroughly studied.
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 good hockey players are in the Indian hockey team. 'X' is not a good hockey player.
Conclusions:
I. 'X' is not in the Indian Hockey team.
II. 'X' wants to be in the Indian Hockey team.
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. All envelopes are rectangles. All rectangles are rectangular. All the envelops are rectangular.
Argument 2. Some thin are smart. Some smart things are tiny. Some thin are tiny
Argument 3. Learned are well-read. Well, read know. Learned know.
Argument 4. Dieting is good for health. Health foods are rare. Dieting is rare.
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.
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 bottles are glasses.
- No cup is a glass.
Conclusions
- No bottle is a cup.
- At least some glasses are bottles.
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 calculators are boxes.
- All boxes are taps.
- Some taps are machines.
Conclusions
- Some machines are boxes.
- Some taps are calculators.
- Some boxes are calculators.
