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Question

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 with commonly known facts. Read all the conclusions and then decide which of given conclusions logically follows from the given statements disregarding commonly known facts.

Statements:

No television is a magazine.

Some magazines are radios.

Some radios are newspapers.

All newspapers are journals.

Conclusions:

I. No newspaper is a magazine.

II. At least some newspapers are magazine.

III. No radio is a magazine.

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

Solution

I + I ⇒ No conclusion. Hence, neither conclusion I nor conclusion II does not follows, but conclusion I and conclusion II makes a complementary pair. Some magazines are radios. (I) ⇒ conversion ⇒ Some radios are magazines. (I) Hence, conclusion III does not follows.

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