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Question: Answered & Verified by Expert
The negation of the statement " \( 72 \) is divisible by \( 2 \) and \( 3 \) " is
MathematicsMathematical ReasoningKCETKCET 2018
Options:
  • A \( 72 \) is not divisible by \( 2 \) or \( 72 \) is not divisible by \( 3 \)
  • B \( 72 \) is divisible by \( 2 \) or \( 72 \) is divisible by \( 3 \)
  • C \( 72 \) is divisible by \( 2 \) and \( 72 \) is divisible by \( 3 \)
  • D \( 72 \) is not divisible by \( 2 \) and \( 3 \)
Solution:
2132 Upvotes Verified Answer
The correct answer is: \( 72 \) is not divisible by \( 2 \) or \( 72 \) is not divisible by \( 3 \)
We have, \(p: 72\) is divisible by 2 and 3 .
Let \(\mathrm{q}: 72\) is divisible by 2 .
r: 72 is divisible by 3 .
\(\sim \mathrm{q}: 72\) is not divisible by 2 .
\(\sim\) r. 72 is not divisible by 3 .
\(\sim\{q \wedge f)-\sim q \vee \sim r\)
\(\Longrightarrow 72\) is not divisible by 2 or 72 is not divisible by 3 .

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