Question

    In each of the questions below are given three statements followed by two conclusions numbered I and  II. 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 blues are whites. Some whites are

    reds. All yellows are reds. Conclusions :I. Some reds are whites. II. Some yellows are whites.
    A if both conclusions I and II follow Correct Answer Incorrect Answer
    B if neither conclusion I nor II follows Correct Answer Incorrect Answer
    C if either conclusion I or II follows. Correct Answer Incorrect Answer
    D if only conclusion II follows. Correct Answer Incorrect Answer
    E if only conclusion I follows. Correct Answer Incorrect Answer

    Solution

    Some whites are reds(I)⇒ Conversion ⇒ Some reds are whites (I). Hence, conclusion I follows. All yellows are reds(A) + Some reds are yellows(I) ⇒ No conclusion. Hence, conclusion II does not follow.

    Practice Next