In each of the questions below four statements are given, followed by four conclusions numbered 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 the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements
All books are cards.
Some cards are benches.
All benches are chairs.
Some chairs are tables.

Conclusions
I. Some chairs are cards.
II. Some tables are chairs.
III. Some cards are books.
IV. Some chairs are benches.

Only II, III and IV follow

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Only I, II and III follow

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Only I, III and IV follow

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All follow

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None of these

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Solution

The correct option is D All follow
Some cards are benches.
All benches are chairs.
$I + A \Rightarrow I$ -type of conclusion
Some cards are chairs.
Concllusion I is the the converse of this conclusion.
Conclusion II is the converse of the fourth premise.
Conclusion III is the converse of the first premise.
Conclusion IV is the converse of the third premise.

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