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Statements: All papers are exams. Some exams are pages. No page is clean. Some cleans are ruled. Some ruled are not books. Which of the following conclusion is definitely false? I. Some pages are papers. II. No clean is book. III. All ruled can be books. IV. Some exams are papers.

Statements: All papers are exams. Some exams are pages. No page is clean. Some cleans are ruled. Some ruled are not books. Which of the following conclusion is definitely false? I. Some pages are papers. II. No clean is book. III. All ruled can be books. IV. Some exams are papers. Correct Answer Conclusion III is definitely false.

The least possible Venn diagram for the given statements is as follows,

[ alt="FT1 L1 Radhika Mar 8 25q Revd Hindi Reviewed 8" src="//storage.googleapis.com/tb-img/production/19/03/FT1_L1_Radhika_Mar%208_25q_Revd_Hindi%20Reviewed%208.PNG">

I. Some pages are paper → it can be true.

II. No clean is book → it can be true.

III. All ruled can be books → it is definitely false.

IV. Some exams are paper → True (as shown in figure)

Hence, conclusion III is definitely false.

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