In each question below are given two statements followed by two conclusions numbered I and II. You have to take the two 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. Give Answer:
Statements: All trains are cars.
No car is a bus. Conclusions: I. No train is a car. II. No train is a bus.
AIf only conclusion I followsCorrect AnswerIncorrect Answer
BIf only conclusion II followsCorrect AnswerIncorrect Answer
CIf either I or II followsCorrect AnswerIncorrect Answer
DIf neither I nor II followsCorrect AnswerIncorrect Answer
Solution
All trains are cars (A) ⇒ I.I. ⇒ Some trains are cars (I). Hence, conclusion I will not follow. All train are cars. (A) + No car is a bus (E) = No train is a bus (E). Hence, conclusion II will follow.