Question
In the question below, some statements are given
followed by four conclusions I, II, III and IV. 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 Cup is Plate. Some Spoon is Cup. All Spoon is Tray. No Plate is Spoon. Conclusions: I. Some Spoon is not Cup. II. No Tray is Plate. III. Some Cup is Tray. IV. Some Tray is not Plate.Solution
Some Spoon is Cup (I) → I.I. → No conclusion. Hence conclusion I does not follow. No Plate is Spoon (E) + All Spoon is Tray (A) → Some Tray is not Plate (O*). Hence conclusion II does not follow but conclusion IV follows. Some Spoon is Cup (I) → Conversion → Some Cup is Spoon (I) + All Spoon is Tray (A) →  Some Cup is Tray (I). Hence conclusion III follows.
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