Question
Statements : All springs are winters. All
winters are summers. No summer is a rain. Some rains are autumn. Conclusions : I . Some springs are summers. II. Some winters are definitely not rains. Directions (1-5): Read both the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts. Give answer— (1) if only conclusion I is true. (2) if only conclusion II is true. (3) if either conclusion I or conclusion II is true. (4) if neither conclusion I nor conclusion II is true (5) if both conclusions I and II are true.Solution
Alternate solution: All springs are winters(A) + All winters are summers(A) `->` All springs are summers(A) `->` I.I. `->` Some springs are summers(I). Hence conclusion I follows. All winters are summers(A) + No summer is a rain(E) `->` No winter is a rain(E) `->` I.I `->` Some winters are not rains(O). Hence conclusion II follows.
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