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A compound statement with Or is false only when:

ABoth components are false
BBoth components are true
COne component is true
DOne component is false
Answer & Solution
Correct answer: A. Both components are false
1. Or needs just one true part. 2. It survives if either holds. 3. It fails only when both are false. _Source: syllabus Mathematics, Chapter 14, Mathematical Reasoning._
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