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MioMath 2024 Paper 2 · Q3

Paper 2Logic & proofNumber & counting

If the statement PP: “For any nn such that n≢1(mod6)n\not\equiv1\pmod{6}, nn is not prime” is false, then which of the following is true?

AThere exist a n≢1(mod6)n\not\equiv1\pmod{6} and nn is prime.
BThere exist a n≡1(mod6)n\equiv1\pmod{6} and nn is prime.
CFor any prime nn, n≡1(mod6)n\equiv1\pmod{6}
DFor any prime nn, n≢1(mod6)n\not\equiv1\pmod{6}

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