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    Question

    In the question below some statements are given followed by four conclusions I, II, III, and IV. 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 the given conclusion definitely follows from the given statements, disregarding commonly known facts.

    Statements:

    Only BB are LL.

    Only a few BB are DD.

    No BB is AA.

    A few AA are OO.

    Conclusions:

    I. At least Some BB are not DD.

    II. Some LL being OO is a possibility.

    III. All OO being BB is a possibility.

    IV. Some AA can be LL.

    A Only conclusion I follows Correct Answer Incorrect Answer
    B Only conclusion II follows Correct Answer Incorrect Answer
    C Only conclusion III follows Correct Answer Incorrect Answer
    D Only conclusion IV follows Correct Answer Incorrect Answer
    E None of the conclusions follow Correct Answer Incorrect Answer

    Solution

    Only a few BB are DD → Some BB are not DD (O) and Some BB are DD (I). Hence conclusion I follows. Only BB are LL → All LL are BB and LL cannot have any positive relation with anyone. Hence neither conclusion II not IV follow. No BB is AA (E) + A few AA are OO (I) → Some OO are not BB (O*) → Probable conclusion →  All BB may be OO (A).   Hence conclusion III does not follow.

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