New SIDBI Grade A New Batch Starts on Nov 18

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    Question

    In each question below are given two 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. 

    Statements: No pen is a pencil.

                                All pencil are book.

      Conclusions: I. Some book are not pen.

                           II. Some book are pencil

    A If only conclusion I follows Correct Answer Incorrect Answer
    B If only conclusion II follows Correct Answer Incorrect Answer
    C If either I or II follows Correct Answer Incorrect Answer
    D If Both I and II follows Correct Answer Incorrect Answer

    Solution

    No pen is a pencil (E) + All pencil are book (A) ⇒ Some book are not pen (O*). Hence, conclusion I will follow. All pencil are book ⇒ Conversion ⇒ Some book are pencil (I). Hence, conclusion II also follow.  

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