IIM Bangalore (BBA-DBE) (LR) PYQs

In a group of six persons named P, Q, R, S, T and U; each has a different age. R is elder than T. Q is younger than S. P is elder than U. U is elder than Q. S is younger than U. T is elder than P. Who is second eldest in the group?

M, N, O, P, Q, and R are sitting around a circular table facing the center. M sits second to the left of R. Only one person sits between R and Q. O is not the immediate neighbor of M. N sits third to the right of Q. How many people sit between Q and R, when counted from the right of R?

How many people are sitting between P and R?