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Statements: All windows are doors. No door is wall. Conclusions: 1. No window is wall. 2. No wall is door.

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Statements: All windows are doors. No door is wall. Conclusions: 1. No window is wall. 2. No wall is door. Answer: Both I and II follow

Since both the premises are universal and one premise is negative, the conclusion must be universal negative. Also, the conclusion should not contain the middle term. So, I follows. However, II is the converse of the second premise and thus it also holds,

Question context

This question is part of 🧩 Logical Reasoning within the broader 🧠 Aptitude Mastery subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.