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IKMC 2027 - Grades 5-6 - Self-study SET 8 - Thematic Batch 3 Question 27

IKMC · IKMC 2027 - Grades 5-6 - Self-study SET 8 - Thematic Batch 3

Question 27

The number 2017 has the property that the sum of its last two digits is four times the sum of its first two digits. How many four-digit numbers with four different digits have this property?

Question illustration
  1. 4
  2. 26
  3. 28
  4. 34
  5. 36