Question
Statement : No pen is a cover. No cover
is a page. All pages are stickers. Conclusion : I. At least some pages are covers . II. No cover is a pen. III. Some stickers are not covers. In each question below are given three statements followed by three conclusions numbered I, II and III. You have to take the three given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusions logically follows from the two given statements, disregarding commonly known facts.Solution
No cover is a page (E) ⇒ Conversion ⇒ some pages are not covers (O). Hence Conclusion I will not follow No pen is a cover (E) ⇒ Conversion ⇒ No cover is a pen (E) ⇒ Hence Conclusion II follows No cover is a page (E) + All pages are stickers (A) ⇒ Some stickers are not covers (O*). Hence conclusion III will follow.
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