Skip to content / Đến nội dung
ThichHocToan.com

IKMC 2027 - Grades 5-6 - Self-study SET 14 - Thematic Batch 3 Question 2

IKMC · IKMC 2027 - Grades 5-6 - Self-study SET 14 - Thematic Batch 3

Question 2

Writing 1 March 2005 as 01-03-05 gives three consecutive positive odd numbers in increasing order. It is the first such date of the twenty-first century. Including it, how many dates in that century have this property?

Question illustration
  1. 5
  2. 6
  3. 8
  4. 13
  5. 16