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Australian AMC 2011 - Middle Primary Question 13

AMC AUSTRALIA · Australian AMC 2011 - Middle Primary

Question 13

Which one of the following statements is true?
  1. If you add two odd numbers you always get an odd number.
  2. If you multiply two odd numbers you always get an even number.
  3. If you add an odd and an even number you always get an even number.
  4. If you multiply an odd and an even number you always get an even number.
  5. If you multiply two even numbers you always get an odd number.