Question
In the question below some statements are given
followed by three conclusions 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. Read all the conclusions and then decide which of the given conclusion definitely follows from the given statements, disregarding commonly known facts. Statements: Some Platforms are Trains. No Train is a Ticket. Some Tickets are Passengers. Conclusions: I. Some Platforms are not Tickets. II. Some Passengers are not Trains. III. Some Passengers are not Platforms.Solution
Some Platforms are Trains (I) + No Train is a Ticket (E) → Some Platforms are not Tickets (O). Hence conclusion I follows. No Train is a Ticket (E) + Some Tickets are Passengers (I) → Some Passengers are not Trains (O*). Hence conclusion II follows. Some Platforms are not Tickets (O) + Some Tickets are Passengers (I) → No conclusion. Hence conclusion III does not follow.
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