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    Question

    In each question below there are four statement followed by three conclusion numbered 1, 2 and 3. You have to take the four given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusions does not follows from the four given statements, disregarding commonly known facts.

    Statement-

    1-Some clocks are watches.

    2-Some watches are walls.

    3-Some walls are houses.

    4-Some houses are rooms.

    Conclusion-

    1. Some rooms are watches.

    2. Some rooms are houses.

    3. No watch is a room.

    A None follows. Correct Answer Incorrect Answer
    B Only II does not follow. Correct Answer Incorrect Answer
    C Nither I nor III follows. Correct Answer Incorrect Answer
    D Either I or III does not follows. Correct Answer Incorrect Answer
    E None of these. Correct Answer Incorrect Answer

    Solution

    Some watches are walls(I) + Some walls are houses(I) ⇒ No conclusion. Hence either conclusion I or III does not follow. Some houses are rooms(I) ⇒ Conversion ⇒ Some rooms are houses (I). Hence conclusion II follows. Alternate Method: So here conclusion either I or III does not follows

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