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:

    No number is a symbol.

    No symbol is a letter.

    No letter is a draft.

    Conclusions:

    I. No number is draft.

    II. Some letters are not symbols.

    III. Some drafts are not symbols.

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

    Solution

    No number is a symbol(E) + No symbol is a letter(E) ⇒ No conclusion. Hence, conclusion I does not follow. No symbol is a letter(E) ⇒ Conversion ⇒ Some letters are not symbols (O). Hence, conclusion II follows. No symbol is a letter(E) + No letter is a draft(E) ⇒ No conclusion. Hence, conclusion III does not follow. ALTERNATE METHOD:

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