Question
Three statements are given followed by three
conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: Some drivers are tools. Some tools are screws. All screws are garages. Conclusions: I. All drivers can never be garages. II. Some tools are garages. III. All drivers being screws is a possibility.Solution
Some tools are screws (I) + All screws are garages (A) → Some tools are garages (I) → Conversion → Some garages are tools (I) + Some tools are drivers (I) → No conclusion. Hence conclusion I does not follow. Some tools are screws (I) + All screws are garages (A) → Some tools are garages (I). Hence conclusion II follows. Some drivers are tools (I) + Some tools are screws (I) → Probable conclusion → All drivers may be screws (A). Hence conclusion III follows.
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