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 Solid is Liquid. All Liquid is Gas. All Gas is Matter. Conclusions: I. Some Matter is Solid.II. Some Gas is not Solid. III. Some Liquid is Matter.Solution
Some Solid is Liquid (I) + All Liquid is Gas (A) → Some Solid is Gas (I) + All Gas is Matter (A) → Some Solid is Matter (I) → Conversion → Some Matter is Solid (I). Hence conclusion I follows.
Some Solid is Liquid (I) + All Liquid is Gas (A) → Some Solid is Gas (I) → Conversion → Some Gas is Solid (I). Hence conclusion II does not follow.
All Liquid is Gas (A) + All Gas is Matter (A) → All Liquid is Matter (A) → I.I. → Some Liquid is Matter (I). Hence conclusion III follows.
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