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

    Question

    In each question below are given three statements followed by three conclusions numbered I, II and II. You have to take the three 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.

    Statements: Some cubs are puppies. No puppy is a

    calf. All kittens are puppies. Conclusions: I. At least some cubs are calves. II. All calves being puppies is a possibility. III. At least some kittens are calves.
    A Only I follow Correct Answer Incorrect Answer
    B Only II follow Correct Answer Incorrect Answer
    C Only II and III follow Correct Answer Incorrect Answer
    D None follow Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Some cubs are puppies(I) + No puppy is a calf(E) ⇒ Some cubs are not calves. Hence conclusion I does not follow. No puppy is a calf(E) ⇒ Conversion ⇒ No calf is a puppy(E). Hence conclusion II does not follow. All kittens are puppies(A) + No puppy is a calf(E) ⇒ No kitten is a calf(E). Hence conclusion III does not follow.

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