New SIDBI Grade A New Batch Starts on Nov 18

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    Question

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

    Statements:Some pencils are erasers.

    All erasers are pens.

    Some pens are sharpeners.

    Conclusions:I. some sharpeners are erasers.

    II. Some pens are pencils.

    III. Some pencils are sharpeners.

    A None follows Correct Answer Incorrect Answer
    B Only I follows Correct Answer Incorrect Answer
    C Only II follows Correct Answer Incorrect Answer
    D Only III follows Correct Answer Incorrect Answer
    E All follow Correct Answer Incorrect Answer

    Solution

    A + I = No conclusion. Hence, conclusion I and III will not follow.  Some pencils are erasers (I) + All erasers are pens (A) = some pencils are pens (I) ⇒ conversion ⇒ some pens are pencils (I). Hence, conclusion II will follow. Alternative method:

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