here are six people -P, Q, R, S, T and U-each having different wieght . P is heavier than U but lighter than Q.T is heavier than R but lighter than P. Q is lighter than S.R is not the lightest . The second lightest person wieght 52 kilogram while the third heaviest is 64 kilogram
How many persons are heavier than R?
A. None
B. One
C. Two
D. More than three