In each of the questions below are given four statements followed by three conclusions numbered I, II and III. 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 conclusions logically follows from the given statements disregarding commonly known facts.

Statements
Some nails are plates.
Some plates are disks.
All disks are mirrors.
All mirrors are tyres.

Conclusions
I. Some tyres are plates
II. Some tyres are nails.
III. Some mirrors are plates.

Only I and II follow

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Only I and III follow

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Only II and III follow

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All I, II and III follow

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None of these

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Solution

The correct option is B Only I and III follow
Some plates are disks.
All disks are mirrors.
$I + A \Rightarrow I$ -type of conclusion
Some plates are mirrors.
Conclusion III is the converse of it.
All disks are mirrors.
All mirrors are tyres.
$A + A \Rightarrow A$ -type of conclusion
All disks are tyres.
Some plates are mirrors.
All mirrors are tyres.
$I + A \Rightarrow I$ -type of conclusion
Some plates are tyres.
Conclusion I is the converse of it.

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In each of the questions below are given three statements followed by three Conclusions numbered I, II and III. 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 conclusions logically follows from the given statements disregarding commonly known facts.

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Q. In each of the questions below are given three statements followed by three conclusions numbered I, II and III. 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 conclusions logically follows from the given statements disregarding commonly known facts.

Statements
Some bags are plates.
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All chairs are tables.

Conclusions
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