Statements:All aeroplanes are trains. Some trains are chairs.Conclusions:I. Some aeroplanes are chairs.II. Some chairs are aeroplanes.III. Some chairs are trains.IV. Some trains are aeroplanes.Which of the following is/are most appropriate in the above scenario?
Correct answer: C. Only III and IV
- A. Only II and III
- B. Only I and II
- C. Only III and IV
- D. III and IV are inappropriate
Explanation
Statements:All aeroplanes are trains.This indicates that every aeroplane is included within the category of trains.Some trains are chairs.This suggests a partial overlap between trains and chairs.Evaluating the conclusions:I. Some aeroplanes are chairs.This does not follow because there is no direct evidence linking aeroplanes to chairs given the statements.II. Some chairs are aeroplanes.This does not follow for the same reason as conclusion I; the overlap between chairs and aeroplanes is not established.III. Some chairs are trains.This follows directly from the statement 'Some trains are chairs', which implies an overlap between chairs and trains.IV. Some trains are aeroplanes.This follows from the statement 'All aeroplanes are trains', indicating that within the larger category of trains, there are some that are aeroplanes.Final Answer: Conclusions III and IV follow based on the given statements.
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