Directions:- Study the following information carefully to answer the question given below.
P, Q, R, S, T, U, V and W live on different floors in the same building having eight floors numbered one to eight (the ground floor is numbered 1, the floor above it numbered 2 and so on and uptil the topmost floor which is numbered 8).
There are only two floors between the floors on which P and R live. R lives on an odd numbered floor. There are four floors between the floors on which P and W live. T lives on a floor immediately above the floor on which U lives. There are only two floors between the floors on which V and S live. V lives on a floor above the floor of S. Q does not live on a floor immediately above or immediately below the floor on which R lives.
How many persons live between the floors of T and Q?