Question
Statements: Some papers are pencils. All
pencils are pens. All pens are dusters. Conclusions: I. Some dusters are papers. II. All pencils are dusters. III. Some dusters are not pencils. In each of the questions below are given three statements followed by three conclusions numbered I, II and III. 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
Some papers are pencils (I) + All pencils are spring(A) = Some papers are pens (I) + All pens are dusters (A) = Some papers are dusters (I) or Some dusters are papers.(I) Hence l follows. All pencils are pens (A) + All pens are dusters (A) = All pencils are dusters (A). Hence, II follows. 
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