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 Oranges are Apples. All Apples are Mangoes. No Mango is Pear. Conclusions: I. Some Apples are Mango. II. Some Oranges are Pear. III. No Pear is Apple.Solution
All Apples are Mango (A) βI.I. β Some Apples are Mangoes (I). Hence conclusion I follows. Some Oranges are Apples (I) + All Apples are Mangoes (A) β Some Oranges are Mangoes (I) + No Mango is Pear (E) β Some Oranges are not Pear (O). Hence conclusion II does not follows. All Apples are Mangoes (A) + No Mango is Pear (E) β No Apples is Pear (E) β Conversion β No Pear is Apples (E). Hence conclusion III follows.
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