Question
Statement : Â All balls are pencils.
>All keys are balls. Â Conclusion: I. At least some pencils are keys. II. All pencils are balls. In this question, two statements followed by two conclusions numbered I and II have been given. 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 given conclusions logically follows from the given statements disregarding commonly known facts.Solution
All keys are balls (A) + All balls are pencils (A) → All keys are pencils (A) ) → Conversion → Some pencils are keys (I). Hence conclusion I follows. All balls are pencils (A) → Conversion → Some pencils are balls (I). Hence conclusion II does not follows.
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