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

    Question

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

    Statements: Only Sandal is Paste. No Mask

    is Sandal. Only a few Masks are Rays. Conclusion: I. Some Pastes can be Rays. II. Some Rays can be Sandals. III. Some Masks are not Rays
    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

    Only Sandal is Paste → All Paste are Sandal and Paste cannot have positive relation with anyone. Hence conclusion I does not follow. No Mask is Sandal (E) → Conversion → No Sandal is Mask (E) + Only a few Mask is Ray (I) → Some Ray are not Sandal (O*) → Probable conclusion → Some Ray can be Sandal (I). Hence conclusion II follows. Only a few Mask is Ray → Some Mask are not Ray (O) and Some Mask are Ray (I). Hence conclusion III follows.

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