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

    Question

    In each question below are given three statements followed by two conclusions numbered I and II. You have to take the two given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusions logically follows from the two given statements, disregarding commonly known facts. Give Answer:

    Statements : All sparrows are parrots. No

    parrot is bird. All birds are peacocks. Conclusions: I. Some birds are not parrots. II. Some peacocks are not parrots.
    A If only conclusion I follows Correct Answer Incorrect Answer
    B If only conclusion II follows Correct Answer Incorrect Answer
    C If both conclusions I and II follow Correct Answer Incorrect Answer
    D If either conclusions I or II follows Correct Answer Incorrect Answer
    E If neither conclusion I nor II follows Correct Answer Incorrect Answer

    Solution

      No parrot is bird (E) ⇒ Conversion ⇒ No bird is a parrot (E). ⇒ I.I. ⇒ Some birds are not parrots (O). Hence, conclusion I will follow. No parrot is a bird (E) + All birds are peacocks (A) = Some peacocks are not parrots (O*). Hence, conclusion II will also follow.

    Practice Next

    Relevant for Exams: