TMUA-P2Y-PRF-001 — Paper P2 · Following proofs · Level 1

Options

1. A
   If $n$ is even then $3n$ is even.
2. B
   If $3n$ is even then $n$ is even.
3. C
   Every integer multiple is even.
4. D
   If $n$ is odd then $3n$ is odd.

Letters only — the answer key is hidden. Work it out, then check the solution below.

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