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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
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: All the organized persons find time for rest. Sunita, in spite of her very busy schedule, finds time for rest.
Conclusions:
I. Sunita is an organized person.
II. Sunita is an industrious person.
Considering given statements as true, select a logical conclusion based on the given statements.
Statements:
- Some roads are highways.
- Some highways are seaways.
- Some seaways are airways.
Conclusions:
- Some airways are roads.
- Some seaways are roads
- Some airways are highways.
- Some roads are airways.
Considering given statements as true, select a logical conclusion based on the given statements.
Statements:
- All boots are sandals.
- No sandal is shoe.
- All shoes are rings.
Conclusions:
- Some boots are rings.
- All sandals are boots.
- Some rings are sandals.
- All rings are shoes
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) All apples are pears.
(B) Some pears are mangoes.
(C) Some mangoes are not apples.
(D) All pears are apples.
(E) No mango is a pear.
(F) No apples are mangoes.
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 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
- No bangle is an earring.
- Some earrings are rings.
Conclusions
- No ring is a bangle.
- Some rings are definitely not earrings.
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
- Some books are papers.
- Some papers are desks.
- Some desks are chairs.
Conclusions
- Some books are desks.
- Some papers are chairs.
- Some books are chairs.
In the question below are 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.
Two statements are given, followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.
Statements:
All Cups are Plates.
Some Plates are Saucers.
Conclusions:
- All Plates are Cups.
- Some Cups are Saucers.
