Direction: Study the following information to answer the given questions:

There are 8 floors in a building. Seven persons M, N, O, P, Q, R and S live on seven different floors of the building. One floor is vacant i.e. no one lives on that floor. The lowermost floor is numbered as 1, floor above it as 2 and so on.

O lives above N, who lives above Q. The floor just above R’s floor is vacant. P lives on 7^th floor. R lives adjacent to M's floor. M’s floor is two floors above S’s floor and both live on odd numbered floor.