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IKMC 2027 - Grades 5-6 - Self-study SET 9 - Thematic Batch 3 Question 25

IKMC · IKMC 2027 - Grades 5-6 - Self-study SET 9 - Thematic Batch 3

Question 25

After a 2020 km journey across Vietnam, Maria’s odometer reads 29790. She then drives a little farther and sees the palindrome 29792. How many palindromic readings occurred during the 2020 km journey?

Question illustration

Interval convention: count the stated 2020 km journey ending at 29790. The later extra drive to 29792 is not included.
  1. 4
  2. 18
  3. 20
  4. 21
  5. 23