Question
In the question below some statements are given followed by two conclusions I and
II. 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 the given conclusion definitely follows from the given statements, disregarding commonly known facts. Statements: Some Sibling are Parent All Spouse are Parent Conclusions:
I. No Spouse is Sibling
II. All Parent are Spouse
Solution
All Spouse are Parent (A) + Some Parent are Sibling (I) → No conclusion. Hence conclusion I does not follow. All Spouse are Parent (A) → Conversion → Some Parent are Spouse (I). Hence conclusion II does not follow.
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