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Question

Study the following statements and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements:       

Some A are B

All C are E

No B is a D

Only a few E are A

Conclusions:

I) Some A are not D

II) Some A are not E

III) Some C are not A

A Only I follows Correct Answer Incorrect Answer
B Only I and III follow Correct Answer Incorrect Answer
C Only III follows Correct Answer Incorrect Answer
D Only II and III follow Correct Answer Incorrect Answer
E None follows Correct Answer Incorrect Answer

Solution

Some A are B (I) + No B is a D (E) → Some A are not D (O). Hence conclusion I follows. Only a few E are A → All A may be E (A). Hence conclusion II does not follow. All C are E (A) + Only a few E are A (I) → No conclusion. Hence conclusion III does not follow.

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