New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    In the question below there are four statements followed by three conclusions 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 and then decide which of the given conclusions logically follows from the three statements disregarding commonly known facts.

    Statements: All Telegram are Office. Some

    Letter are Office. Some Mail are Letter. No Letter is Posts. Conclusions: I. Some Mail are not Posts. II. Some Telegram are Mail. III. No Office can be Mail.
    A Only conclusions I and II follow Correct Answer Incorrect Answer
    B Only conclusions I and III follow Correct Answer Incorrect Answer
    C Only conclusions II and III follow Correct Answer Incorrect Answer
    D Only conclusion I follows Correct Answer Incorrect Answer
    E All the conclusions follow Correct Answer Incorrect Answer

    Solution

    Some Mail are Letter (I) + No Letter is Posts (E) → Some Mail are not Posts (O). Hence conclusion I follows. All Telegram are Office (A) + Some Letter are Office (I) → No conclusion. Hence conclusion II does not follow. Some Mail are Letter (I) + Some Letter are Office (I) → Probable conclusion → No Office can be Mail (E). Hence conclusion III follows.

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