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IMAS 2012 — Upper Primary Grades 5–6 — Round 2 Question 2

IMAS · IMAS 2012 — Upper Primary Grades 5–6 — Round 2

Question 2

Which of the statements below is always true?
  1. The sum of several odd numbers is an odd number.
  2. The sum of an odd numbers and an even number is an even number.
  3. The sum of two prime numbers is an even number.
  4. The sum of two odd numbers is a composite number.
  5. One of any three consecutive positive integers must be divisible by 3.