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

    Question

    In each of the questions below are given three 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 : All aeroplanes are helicopters.

    Some helicopters are kites. All jets are kites. Conclusions : I. Some kites not being helicopters is a possibility. II. Some jets are helicopters. III. Some kites are aeroplanes.
    A None follows Correct Answer Incorrect Answer
    B Only I follows Correct Answer Incorrect Answer
    C Only II and III follow Correct Answer Incorrect Answer
    D Only I and III follow Correct Answer Incorrect Answer
    E All follow Correct Answer Incorrect Answer

    Solution

    Some helicopters are kites(I) ⇒ Probable conclusion ⇒ Some kites may not be helicopters (I). Hence, conclusion I follows. All jets are kites(A) + Some kites are helicopters(I) ⇒ No conclusion. Hence, conclusion II does not follow. All aeroplanes are helicopters (A) + Some helicopters are kites (I) ⇒ No conclusion. Hence, conclusion III does not follow.

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