DSSSB · Reasoning

A, B, C, M, N and O live on six different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it is numbered 2 and so on till the topmost floor is numbered 6. N lives on floor number 5. M lives on a floor above N. Only B lives below C. A lives on an even numbered floor. How many people live below O?

  1. Two
  2. Four
  3. One
  4. Three
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