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Question

In the following question, two statements are given followed by four conclusions I, II, III and IV. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions if any follow from the given statements.

Statements
Some cats are dogs.
No dog is a toy.

Conclusions
I. Some dogs are cats.
II. Some toys are cats.
III. Some cats are not toys.
IV. All toys are cats.

A

Only conclusions I and III follow

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B

Only conclusions II and III follow

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C

Only conclusions I and II follow

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D

Only conclusion I follows

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Solution

The correct option is A Only conclusions I and III follow
The first premise is a particular affirmative (1-type).
The second premise is a universal negative (E-type).
Some cats are dogs.
No dog is a toy.
$I + E \Rightarrow O$ - type of conclusion
Some cats are not toys.
This is conclusion III.
Conclusion I is the converse of the first premise.

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