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Periodic Properties

In each quest...

Question

In each question below are two statements followed by 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 then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements
All metals are liquids
All liquids are gases.

Conclusions
I.All metals are gases.
II. At least some gases are liquids.

A

Only conclusion I follows

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B

Only conclusion II follows

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C

Either conclusion I or conclusion II follows

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D

Neither conclusion I nor conclusion II follows

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E

Both conclusion I and conclusion II follow

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Solution

The correct option is E Both conclusion I and conclusion II follow
All metals are liquids
All liquids are gases.
$A + A \Rightarrow A$ -type of conclusion
All metals are gases.
This is conclusion I.
Conclusion II is the converse of the second premise.

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The following questions two statements are given and these statements are followed by two conclusions

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