Eight persons – P, Q, R, S, T, U, V and W are staying in four floors numbered 1-4 from bottom to top. Each floor has two flats A and B, where, Flat B is to the east of flat A and the length of each flat is the same. Only one person is staying in each flat.

Two floors are there in between S and T and both are not staying in flat A. W is staying on the first floor and to the west of T. P lives in a flat immediately above R’s flat and he is staying on even numbered floor. V lives on the same floor of R. Q live to the east of U.