Among M, N, O, P, Q, and R, each having a distinct height, who is the second tallest? I. M is taller than only O. N is taller than P but shorter than ...
Question
Among M, N, O, P, Q, and R, each having a distinct height, who is the second tallest?
I. M is taller than only O. N is taller than P but shorter than R. Q is shorter than N.
II. Q is taller than only three persons. P is taller than M but shorter than R. N is shorter than R but taller than P.