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IKMC 2027 - Grades 5-6 - Self-study SET 5 - Thematic Batch 3 Question 17

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

Question 17

The number 2018 has four different digits and its last digit is four times its first. How many four-digit numbers have these properties?

Question illustration
  1. 1
  2. 28
  3. 56
  4. 112
  5. 168