Which of the following statements is the negation of the statements “4 is odd or -9 is positive”?(a) 4 is even or -9 is not negative(b) 4 is odd or -9 is not negative(c) 4 is even and -9 is negative(d) 4 is odd and -9 is not negativeI have been asked this question during an interview for a job.My question comes from Logics and Proofs topic in chapter The Foundation: Logics and Proofs of Discrete Mathematics

Which of the following statements is the negation of the statements �

1.	Which of the following statements is the negation of the statements “4 is odd or -9 is positive”?(a) 4 is even or -9 is not negative(b) 4 is odd or -9 is not negative(c) 4 is even and -9 is negative(d) 4 is odd and -9 is not negativeI have been asked this question during an interview for a job.My question comes from Logics and Proofs topic in chapter The Foundation: Logics and Proofs of Discrete Mathematics
Answer» Right option is (C) 4 is even and -9 is negative The explanation: UsingDe MORGAN’s Law~(A V B) ↔ ~A ∧ ~B.

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