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 three statements disregarding commonly known facts.

    Statements: Few Orphan are Deaf. All

    Deaf are Blind. No Blind is Lame. All Dumb are Lame. Conclusion: I. No Deaf is Dumb. II. Some Orphan are not Lame. III. All Lame are Orphan is a possibility.
    A Only conclusions II and III follow Correct Answer Incorrect Answer
    B Only conclusion III follows Correct Answer Incorrect Answer
    C Only conclusions I and III follow Correct Answer Incorrect Answer
    D All of the above conclusions follow Correct Answer Incorrect Answer
    E Only conclusion I follows Correct Answer Incorrect Answer

    Solution

    All Deaf are Blind (A) + No Blind is Lame (E) → No Deaf is a Lame (E). Hence conclusion I follows. Few Orphan are Deaf → Some Orphan are not Deaf. Hence conclusion II follows. All Deaf are Blind (A) + No Blind is Lame (E) → No Deaf is Lame (E). All Dumb are Lame (A) + No Deaf is Lame (E) → Some Lame are not Dumb (O*) → Probable conclusion → All Lame may be Orphan (A). Hence conclusion III follows.

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