Question
Statements: All hotels are buses. 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. In each question below are given two 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 and then decide which of the given conclusions logically follows from the given statements, disregarding commonly known facts.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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