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IKMC 2011 - Grades 5-6 - Self-study Question 8

IKMC · IKMC 2011 - Grades 5-6 - Self-study

Question 8

The date 01-03-05 (1 March 2005) consists of three consecutive odd numbers in increasing order. This is the first date with this feature in the 21st century. Including 01-03-05, how many dates in the 21st century, when expressed in the form dd-mm-yy, have this feature?
  1. 5
  2. 6
  3. 16
  4. 13
  5. 8