New SIDBI Grade A New Batch Starts on Nov 18

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    Question

    In each question below are given four statements followed by three conclusions numbered I, II and III. 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 logically follows from the two given statements, disregarding commonly known facts.

    Statements: All hotels are busses.

    Some buses are cars.

    All cars are trams.

    Some trams are clouds.

    Conclusions:I. some trams are buses.

    II. Some trams are hotels.

    III. Some clouds are cars.

    A Only I follows Correct Answer Incorrect Answer
    B Only II follows Correct Answer Incorrect Answer
    C Only III follows Correct Answer Incorrect Answer
    D Only II and III follows Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Some buses are cars(I) + All cars are trams(A) ⇒ Some buses are trams(I) ⇒ Conversion ⇒ Some trams are buses(I). Hence conclusion I follows. All hotels are buses (A) + Some buses are cars (I) ⇒ No conclusion. Hence conclusion II does not follow. All cars are trams (A) + Some trams are clouds (I) ⇒ No conclusion. Hence conclusion III does not follow.

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