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IKMC 2013 - Grades 9-10 - Self-study Question 20

IKMC · IKMC 2013 - Grades 9-10 - Self-study

Question 20

Roo wants a six-digit number with even digit sum and odd digit product. Which statement about such a number is correct?
  1. Either two or four digits are even
  2. Such a number cannot exist
  3. An odd number of digits are odd
  4. All six digits can be different
  5. None of A–D is correct