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SASMO 2022 Grade 8 Question 8

SASMO · SASMO 2022 Grade 8

Question 8

The integer $a$ is a multiple of 3 but not a multiple of 6. Which of the following is NOT an odd number?
  1. $a+6$
  2. $a-10$
  3. $3a+4$
  4. $7a+1$
  5. None of the above