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

    Question

    In the question below there are three statements followed by three conclusions I, II and III. You have to take the three 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: Some Cloud is Thunder. Only a

    few Thunder is Lighting. No Lighting is Star. Conclusion: I. All Cloud can be Thunder. II. No Cloud is Star. III. Some Thunder is not Star.
    A Only conclusion II follows Correct Answer Incorrect Answer
    B Only conclusions I and III follow Correct Answer Incorrect Answer
    C Only conclusion I follows Correct Answer Incorrect Answer
    D Only conclusions II and III follow Correct Answer Incorrect Answer
    E None of the above Correct Answer Incorrect Answer

    Solution

    Some Cloud is Thunder (I) → Probable conclusion → All Cloud can be Thunder (A). Hence conclusion I follows. Some Cloud is Thunder (I) + Only a few Thunder is Lighting (I) → No conclusion. Hence conclusion II does not follow. Only a few Thunder is Lighting (I) + No Lighting is Star (E) → Some Thunder is not Star (O). Hence conclusion III follows.

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