Study the information carefully answer the questions given below. Six persons…

Study the information carefully answer the questions given below. Six persons P, Q, R, S, T and U in a family have different weights. The third heaviest person weight is 40kg. Q’s weight is in odd number and is lighter than S but heavier than R. The number of persons lighter than S is one more than P. T is heavier than R and U. T is 20kg more than P who is heavier than Q. The second lightest person is not Q.

If R’s weight is 15kg less than P and 5 kg more than U then what is the sum weight of R and U?