Direction: Study the following information carefully to answer the given questions:

Six persons M, N, O, P, Q and R have different heights and weights. P is taller than only R. At least three persons are heavier than M. Number of persons taller than M is equal to number of persons shorter than O. R is heavier than Q but not than M. O is heavier than P but not the heaviest. No person has same position in both height and weight.