Direction: Read the following information carefully and answer the questions asked below.

There are six persons P, Q, R, S, T and U. All of them have different weights. P is heavier than Q but lighter than S. Only two persons are lighter than T. Weight of S is 95 kg and that of Q is 50 kg. Both S and P are heavier than R but lighter than U. R is not the person whose weight is the least.