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: Give answer 1) if only conclusion I follows. Give answer 2) if only conclusion II follows. Give answer 3) if either conclusion I or II follows. Give answer 4) if neither conclusion I nor II follows. Give answer 5) if both conclusions I and II follow.
Statements: No clerk is an
assistant. Some assistants are officers. Conclusions: I. Some clerks are not officers. II. Some officers are assistants.
A1Correct AnswerIncorrect Answer
B2Correct AnswerIncorrect Answer
C3Correct AnswerIncorrect Answer
D4Correct AnswerIncorrect Answer
E5Correct AnswerIncorrect Answer
Solution
No clerk is an assistant (E) + Some assistants are officers (I) = Some officersare not clerks(O * ). Hence, conclusion I will not follow. Some assistants are officers (I) ⇒ conversion ⇒ Some officers are assistants. Hence, conclusion II will follow.