New Enroll for RBI, PFRDA & NABARD Intro Class! April 18 at 9:15 PM

    Question

    In each question below are given three statements followed

    by three conclusions numbered I, II and III. 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 three given statements, disregarding commonly known facts. Statements: All envelopes are letters.All stamps are letters.All letters are inks.Conclusions: I. All envelopes are inks.II. All stamps are inks.III. Some inks are envelopes.
    A Only conclusion I follows Correct Answer Incorrect Answer
    B Only conclusion III follows. Correct Answer Incorrect Answer
    C Only conclusion I and conclusion II follow. Correct Answer Incorrect Answer
    D All conclusions follow Correct Answer Incorrect Answer

    Solution

    All envelopes are letters. (A) + All letters are inks(A) = All envelopes are inks(A). Hence, conclusion I will follow.
    All stamps are letters (A) + All letters are inks(A) = All stamps are inks. Hence, conclusion II will also follow.All envelopes are inks(A) ⇒ conversion ⇒ Some inks are envelope (I). Hence, conclusion III will also follow.

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