Question
In this question, three statements are given, followed
by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follows/follow from the statements. Statements: All teachers are doctors. All doctors are lawyers. Some lawyers are policeman. Conclusions: I. All policeman are teachers. II. Some policeman are doctors.Solution
All teachers are doctors (A) + All doctors are lawyers (A) → All teachers are lawyers (A) + Some lawyers are policeman (I) → No conclusion. Hence conclusion I does not follow. All doctors are lawyers (A) + Some lawyers are policeman (I) → No conclusion. Hence conclusion II does not follow.
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