Question
Statements: All districts are towns. No
town is a city. All cities are centres. Conclusion: I. Some towns are districts. II. Some cities are not districts. III. Some towns are not cities. In each of the questions below are given three statements followed by three conclusions numbered 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 given conclusions logically follows from the givenstatements disregarding commonly known facts.Solution
All districts are towns. (A) Conversion Some towns are districts(I). Hence conclusion I follow. All districts are towns. (A) + No town is a city. (E) No district is a city. (E) Conversion Some cities are not districts. (O). Hence conclusion II follows. No town is a city. (E) Conversion No city is a town. (E) Conversion Some town are not cities. (O). Hence conclusion III follows.
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