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    Question

    Some mobiles may not be papers. Some dusters are not

    calculators In the given question, a set of conclusions is given. There are five options comprising of three or more statements. You need to choose the option that contains the set of statements from which the given conclusions logically follow.
    A No paper is a duster. No mobile is a calculator. No calculator is a paper. Correct Answer Incorrect Answer
    B No mobiles are calculators. No paper is a duster. Some calculators are papers. Correct Answer Incorrect Answer
    C Few mobiles are calculators. No calculator is a paper. All papers are duster. Correct Answer Incorrect Answer
    D No paper is a duster. Some mobiles are calculators. All calculators are papers. Correct Answer Incorrect Answer
    E Both 1st and 2nd Correct Answer Incorrect Answer

    Solution

    Some mobiles are calculators(I) + All calculators are papers(A) ⇒ Some mobiles are papers(I) ⇒ Probable conclusion ⇒ Some mobiles may not be papers(O). All calculators are papers (A) + No paper is a duster(E) ⇒ No calculator is a duster (E) ⇒ conversion ⇒ Some dusters are not calculators(O). By elimination method - By option 1, No + no = no definite conclusion can be drawn between duster and calculator. Hence it is eliminated. By option 2, No + some = Some calculators are not duster. But we can’t conclude that some dusters are not calculators. Hence it is eliminated. By option 3, few + no = Some mobiles are not papers. So possibility can’t be drawn. Hence it is eliminated. By option 4, the conclusion can be drawn. Hence answer is 4.

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