New Enroll in RBI Grade B New Batch - Starts on May 21

    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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