Question
Statements : Some rows are lines All lines are
parallels. All parallels are numbers. Conclusions : I. All rows being lines is a possibility. II. Some rows are numbers. III. All numbers being parallels is a possibility. 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 given statements disregarding commonly known facts.Solution
Some rows are lines(I) ⇒ Probable conclusion ⇒ All rows may be lines (I). Hence, conclusion I follows. Some rows are lines(I) + All lines are parallels(A) ⇒ Some rows are parallels(I) + All parallels are numbers(A) ⇒ Some rows are numbers(I). Hence, conclusion II follows. All parallels are numbers (A) ⇒ Probable conclusion ⇒ All numbers may be parallels (A). Hence, conclusion III follows.
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