Question
Read the given statements and conclusions carefully.
Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: All Pencils are Board Some Pencils are Chalk No Chalk is Desk Conclusion: I. Some Board are not Desk II. No Pencil is DeskSolution
Some Pencils are Chalk (I) → Conversion → Some Chalk are Pencils (I) + All Pencils are Board (A) → Some Chalk are Board (I) → Conversion → Some Board are Chalk (I) + No Chalk is Desk (E) → Some Board are not Desk (O). Hence conclusion I follows.
Some Pencils are Chalk (I) + No Chalk is Desk (E) → Some Desk are not Pencils (O*). Hence conclusion II does not follow.
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