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SASMO 2022 Grade 7 Question 2

SASMO · SASMO 2022 Grade 7

Question 2

If $a$ is an odd integer and $b,c$ are even integers, which statement is NOT true?
  1. $(c-a)a$ is odd
  2. $(b-a)c$ is even
  3. $(b-a)c^2$ is odd
  4. $(b-a)^2c$ is even
  5. None of the above