हिंदी

The negation of the statement “Rajesh or Rajni lived in Bangalore” is ______. - Mathematics

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प्रश्न

The negation of the statement “Rajesh or Rajni lived in Bangalore” is ______.

विकल्प

  • Rajesh did not live in Bangalore or Rajni lives in Bangalore

  • Rajesh lives in Bangalore and Rajni did not live in Bangalore

  • Rajesh did not live in Bangalore and Rajni did not live in Bangalore

  • Rajesh did not live in Bangalore or Rajni did not live in Bangalore

MCQ
रिक्त स्थान भरें
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उत्तर

The negation of the statement “Rajesh or Rajni lived in Bangalore” is rajesh did not live in Bangalore and Rajni did not live in Bangalore.

Explanation:

Let p: Rajesh or Rajni lives in Bengaluru

And q: Rajesh lived in Bengaluru

r: Rajni lived in Bengaluru

~ q: Rajesh did not live in Bengaluru

~ r: Rajni did not live in Bengaluru

∴ ~ (q ∨ r) = (~ q ∧ ~ r): Rajesh did not live in Bengaluru and Rajni did not live in Bengaluru.

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अध्याय 14: Mathematical Reasoning - Exercise [पृष्ठ २६७]

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एनसीईआरटी एक्झांप्लर Mathematics [English] Class 11
अध्याय 14 Mathematical Reasoning
Exercise | Q 25 | पृष्ठ २६७

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