TMUA-P2-ARG2-009 — Paper P2 · Necessary and sufficient · Level 2

Options

1. A
   The sum of two odd numbers is even.
2. B
   The product of an even number and any integer is even.
3. C
   If $n^2$ is even then $n$ is even.
4. D
   There are infinitely many prime numbers.
5. E
   Every prime number is odd.

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

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