Question
In the question below some statements are given followed by three conclusions 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 the given conclusion definitely follows from the given statements, disregarding commonly known facts. Statements: Some Laptop are Mobile All Mobile are Notepad No Notepad are Tablet Conclusions:
I. No Mobile are Tablet
II. Some Laptop are Notepad
III. Some Tablet are not Laptop
Solution
All Mobile are Notepad (A) + No Notepad are Tablet (E) → No Mobile are Tablet (E). Hence conclusion I follows. Some Laptop are Mobile (I) + All Mobile are Notepad (A) → Some Laptop are Notepad (I). Hence conclusion II follows. Some Laptop are Mobile (I) + All Mobile are Notepad (A) → Some Laptop are Notepad (I) + No Notepad are Tablet (E) → Some Laptop are not Tablet (O). Hence conclusion III does not follow.
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