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IKMC 2027 - Grades 9-10 - Self-study SET 3 - Thematic Batch 3 Question 28

IKMC · IKMC 2027 - Grades 9-10 - Self-study SET 3 - Thematic Batch 3

Question 28

An airline opens two-way routes among N cities so that each city has direct routes to exactly M other cities. For which of the following choices of M, N is this possible?

Question illustration
  1. M=5 and any N>14
  2. M=3 and N=7
  3. M=9 and N=9
  4. M=4 and N=15
  5. Any M, N satisfying N>M+6