Question

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.

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.

A 1 Correct Answer Incorrect Answer
B 2 Correct Answer Incorrect Answer
C 3 Correct Answer Incorrect Answer
D 4 Correct Answer Incorrect Answer
E 5 Correct Answer Incorrect Answer

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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